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/* This file is part of Cloudy and is copyright (C)1978-2008 by Gary J. Ferland and
 * others.  For conditions of distribution and use see copyright notice in license.txt */
/*lines_lv1_li_ne place lines of elements lithium through neon into lines storage stack */
/*GetLineRec return recombination coefficient*hnu*eden*n_ion for C, N, or O recombination lines from Dima's list,
 * also zero's line in master stack so not entered second time in later dump of all rec lines */
#include "cddefines.h"
#include "carb.h"
#include "nitro.h"
#include "oxy.h"
#include "coolheavy.h"
#include "atmdat.h"
#include "doppvel.h"
#include "ionbal.h"
#include "dense.h"
#include "phycon.h"
#include "physconst.h"
#include "atoms.h"
#include "mole.h"
#include "embesq.h"
#include "taulines.h"
#include "trace.h"
#include "lines_service.h"
#include "lines.h"
STATIC double GetLineRec(
        /* this is the number of the emission line in the stack of lines, on the C scale */
        long int ip, 
        /* the multiplet wavelength */
  long int lWl);

void lines_lv1_li_ne(void)
{
        long int ipnt;
        double 
          chem ,
          corr, 
          ct4363, 
          ctRate, 
          efac, 
          effec, 
          efficn2, 
          fac, 
          HBeta ,
          p386, 
          pump,
          r4363, 
          r6584, 
          raten3, 
          rb, 
          rec, 
          rn3mor, 
          rn3tot, 
          rnii, 
          rp300, 
          rp386, 
          r12 ,
          r13 ,
          sum,
                rate_OH_dissoc;
        double rec7323 , rec7332, rec3730 , rec3726 , rec2471,
                reco23tot , reco22tot;

        DEBUG_ENTRY( "lines_lv1_li_ne()" );

        if( trace.lgTrace )
        {
                fprintf( ioQQQ, "   lines_lv1_li_ne called\n" );
        }

        /* level 1 ines */
        ipnt = StuffComment( "level 1 lines" );
        linadd( 0., (realnum)ipnt , "####", 'i',
                " start level 1 ines" );

        linadd(CoolHeavy.colmet,0,"Mion",'c',
                " cooling due to collisional ionization of heavy elements" );

        /* lithium */

        /* beryllium */

        /* boron*/

        /* carbon*/

        /* >>chng 97 may 02, added better rec coefficient
         * C I 1656 recombination, all agents */
        rec = GetLineRec(3,1657)*(1.-TauLines[ipT1656].Emis->ColOvTot);
        rec = GetLineRec(3,1657)*emit_frac(&TauLines[ipT1656]);
        PutExtra(rec);

        PutLine(&TauLines[ipT1656],
                " C 1 1656, collision strength from van Regemoter");

        linadd(rec,1656,"REC ",'i',
                " C 1 1656 recomb; n.b. coll deexcitation not in" );

        linadd(carb.c9850,9850,"C Ic",'c',
                " C 1 9850, coll excit" );

        /* >>chng 97 may 02, added better rec coefficient
         * C 1 9850, recombination contribution rec coefficient from 
         * >>refer      C1      rec     Escalante, Vladimir, & Victor, G.A., 1990, ApJS 73, 513.
         * r9850 is correction for collisional deexcitation as in carb cool
         * >>chng 97 aug 2, had factor of rec, changed to r9850, this
         * was a big mistake */
        rec = (GetLineRec(1,9088) + GetLineRec(2,9658))*carb.r9850;
        linadd(rec,9850,"C Ir",'i',
                " C I 9850 recombination contribution" );

        PntForLine(9850.,"C  1",&ipnt);
        lindst(rec+carb.c9850,9850,"TOTL",ipnt,'i',true ,
                " total intensity, all processes, C I 9850");


        PntForLine(8727.,"C  1",&ipnt);
        lindst(carb.c8727,8727,"C  1",ipnt,'c',true,
                "C 1 8727; equivalent to 4363" );

        linadd(carb.c8727*1.22e-6,4621,"C  1",'c',
                " 1S - 3P" );

        PutLine(&TauLines[ipT610],
                "  C 1 610 micron ");

        PutLine(&TauLines[ipT370],
                "  C 1 370 micron ");

        PutLine(&TauLines[ipT157],
                "  C 2 158 micron, both e- and H0, H2 in excitation ");

        linadd(
                TauLines[ipC2_2325].Emis->xIntensity+
                TauLines[ipC2_2324].Emis->xIntensity+
                TauLines[ipC2_2329].Emis->xIntensity+
                TauLines[ipC2_2328].Emis->xIntensity+
                TauLines[ipC2_2327].Emis->xIntensity+carb.p2326*8.6e-12,
                2326,"TOTL",'i',
                " total intensity of C II] 2326, all lines in the multiplet " );
        PutLine(&TauLines[ipC2_2325],
                " ");
        PutLine(&TauLines[ipC2_2324],
                " ");
        PutLine(&TauLines[ipC2_2329],
                " ");
        PutLine(&TauLines[ipC2_2328],
                " ");
        PutLine(&TauLines[ipC2_2327],
                " ");

        linadd(carb.p2326*8.6e-12,2326,"Phot",'i' ,
                " photoproduction, Helfand and Trefftz");

        /* >>chng 97 may 02, better rec coef */
        /*rec = GetLineRec(11,1335)*(1.-TauLines[ipT1335].ColOvTot);*/
        /* >>chng 02 jul 01, add function to return emission probability */
        rec = GetLineRec(11,1335)*emit_frac(&TauLines[ipT1335]);

        /* total intensity of C 2 1335 */
        PutExtra(MAX2(0.,rec));
        PutLine(&TauLines[ipT1335],
                " total intensity of C 2 1335");

        linadd(rec,1335,"REC ",'i',
                " C 2 1335 recombination," );

        /* the CII 3918.98/3920.68 and 6578.05/6582.88 multiplets,
         * contributions by both continuum pumping through XUV line
         * and recombination */
        /* this is the driving line, pump is photons cm^-3 s^-1 */
        if( nWindLine > 0 )
        {
                pump = TauLine2[186].Emis->pump*TauLine2[186].Emis->PopOpc;
        }
        else
        {
                pump = 0.;
        }


        PntForLine(3920.,"C  2",&ipnt);
        lindst(pump*0.387 * 5.08e-12/(1.+dense.eden/1e12) ,3920,"pump",ipnt,'i',true ,
                "  CII 3918.98/3920.68 is only pumped, no recombination part");

        /* recombination and specific pump for CII 5684 */
        rec = GetLineRec(8, 6580 );
        /* convert UV pump rate to intensity with branching ratio and hnu */
        pump *= 0.305 * 0.387 * 3.02e-12;
        linadd(rec/(1.+dense.eden/1e12),6580,"C 2r",'i',
                " recombination part of C II 6580 line " );
        linadd(pump/(1.+dense.eden/1e12),6580,"C 2p",'i',
                " pumped part of line C II 6580" );

        PntForLine(6580.,"C  2",&ipnt);
        lindst((rec+pump)/(1.+dense.eden/1e12),6580,"TOTL",ipnt,'i',true ,
                " total intensity, all processes, C II 6580");

        /* C 3 977
         * recombination contribution from nussbaumer and story 84 */
        /*rec = GetLineRec(179,977)*(1.-TauLines[ipT977].ColOvTot);*/
        /* >>chng 02 jul 01, add function to compute emission fraction */
        rec = GetLineRec(179,977)*emit_frac(&TauLines[ipT977]);

        /* continuum pumped C 3 977 by continuum near 386A */
        rp386 = TauLines[ipT386].Emis->pump*TauLines[ipT386].Emis->PopOpc;

        /* higher lines, same process */
        rp300 = TauLines[ipT310].Emis->pump*TauLines[ipT310].Emis->PopOpc + 
                TauLines[ipT291].Emis->pump*TauLines[ipT291].Emis->PopOpc + 
                TauLines[ipT280].Emis->pump*TauLines[ipT280].Emis->PopOpc + 
                TauLines[ipT274].Emis->pump*TauLines[ipT274].Emis->PopOpc + 
                TauLines[ipT270].Emis->pump*TauLines[ipT270].Emis->PopOpc;

        /* total line intensity due to pumping */
        /*p386 = (rp386 + rp300)*2.03e-11*(1.-TauLines[ipT977].ColOvTot);*/
        /* >>chng 02 jul 01, add function to compute emission fraction */
        p386 = (rp386 + rp300)*2.03e-11*emit_frac(&TauLines[ipT977]);

        /* total C 3 977 including recombination and pumping */
        PutExtra(p386+MAX2(0.,rec));

        PutLine(&TauLines[ipT977],
                "  total C 3] 977, recombination + collisional + pumped excitation ");

        linadd(rec,977,"C3 R",'i',
                " dielectronic recombination contribution to C 3 977 " );

        linadd(p386,977,"P386",'r',
                " C 3 977 pumped by continuum near 386A" );

        /* C 3  1909 collision, both lines together */
        fac = embesq.em1908 + TauLines[ipT1909].Emis->xIntensity;
        lindst(fac,1909,"TOTL",TauLines[ipT1909].ipCont,'i',false,
                "C 3  1909 collision, both lines together");

        PutLine(&TauLines[ipT1909],
                "C III 19091");

        PntForLine(1907.,"C  3",&ipnt);
        lindst(embesq.em1908,1907,"C  3",ipnt,'i',true,
                " C 3 1908 j-2 to ground" );

        lindst(embesq.em13C1910,1910,"13C3",ipnt,'i',true,
                " the 13C forbidden line of C III " );

        /*corr = 1.-TauLines[ipT1909].ColOvTot;*/
        /* >>chng 02 jul 01, add function to compute emission fraction */
        corr = emit_frac(&TauLines[ipT1909]);
        fac = dense.eden*dense.xIonDense[ipCARBON][3]/(phycon.te/phycon.te10)*
          ionbal.DielSupprs[1][2];

        linadd(3.1e-19*fac*corr,1909,"C3 R",'i',
                " C 3 1909 recombination from Storey" );

        linadd(carb.p1909*corr*1.05e-11,1909,"Phot",'i',
                " C 3 1909 following relax following inner shell photoionization" );

        /* >>chng 97 may 02, better rec ocef */
        /*rec = GetLineRec(178,1176)*(1.-TauLines[ipc31175].ColOvTot);*/
        /* >>chng 02 jul 01, add function to compute emission fraction */
        rec = GetLineRec(178,1176)*emit_frac(&TauLines[ipc31175]);
        PutExtra(MAX2(0.,rec));

        PutLine(&TauLines[ipc31175],
                "  C 3* 1175, excited state line, above 1909 ");

        linadd(MAX2(0.,rec),1175,"Rec ",'i',
                " dielectronic recombination contribution to C 3 1175 " );

        /* recombination C 4 1549 from C 5
         * >>chng 97 may 02, better rec coef */
        /*rec = GetLineRec(25,1549)*(1.-TauLines[ipT1550].ColOvTot);*/
        /* >>chng 02 jul 01, add function to compute emission fraction */
        rec = GetLineRec(25,1549)*emit_frac(&TauLines[ipT1550]);

        linadd(
                TauLines[ipT1550].Emis->xIntensity+
                TauLines[ipT1548].Emis->xIntensity+
                rec,1549,"TOTL",'i',"total intensity of C 4 1549, all processes " );

        sum = 
                TauLines[ipT1550].Emis->xIntensity*TauLines[ipT1550].Emis->FracInwd + 
                TauLines[ipT1548].Emis->xIntensity*TauLines[ipT1548].Emis->FracInwd;

        linadd(sum+rec*TauLines[ipT1550].Emis->FracInwd,1549,"Inwd",'i',
                "inward part of C 4 " );

        PutExtra(rec*.3333);
        PutLine(&TauLines[ipT1550],
                " ");

        PutExtra(rec*.6666);
        PutLine(&TauLines[ipT1548],
                " ");

        linadd((TauLines[ipT1550].Emis->ots+
                TauLines[ipT1548].Emis->ots)*TauLines[ipT1548].EnergyErg,
          1549,"DEST",'i',
          " part of line destroyed by photoionization of Balmer continuum " );

        linadd(rec,1549,"C4 r",'i',
                " recombination C 4 1549 from CV" );

        PutLine(&TauLines[ipT312],
                "  Li seq 2s 3p Li seq transition");

        /* nitrogen */

        /* 5200 rec, both rad+di, 1/3 of total to doublets 
        colfac = COLL_CONST/phycon.sqrte*dense.eden;
        cs5200 = 7.28e-5*phycon.te/phycon.te10;*/
        /* ratio of radiative to total deexcitations 
        quench = 1.24e-5/(1.24e-5 + colfac * cs5200);
        quench = nitro.quench_5200;*/

        {
                /*double recrate = GetLineRec(32,1200);*/
                /*>>chng 06 jul 10, activate - this is rate coefficient cm3 s-1 from
                 *>>refer       NI      rec     Pequignot, D., Petijean, P. & Boisson, C. 1991, A&A, 251, 680 */
                double recrate_new = 1.108e-13 * pow( (phycon.te*1e-4) , -0.6085) /
                        (1. - 0.0041 * pow( (phycon.te*1e-4) , -0.3975 ) ) * 
                        /* this is electron and ion density */
                        dense.eden * dense.xIonDense[ipNITROGEN][1] * 
                        /* ergs per 5199 photon */
                        3.83e-12;
#               if 0
#               endif
                /* this is recombination with quenching 
                 * rec has units erg cm-3 s-1 */
                rec = recrate_new * nitro.quench_5200;
        }

        /**** Terry's addition **************/
        linadd(rec,5199,"TOTr",'i',
                " recombination Nitrogen I 5200 + 5198 together " );

        /* this is upper limit to production of 5200 by chemistry - assume every photo dissociation
         * populates upper level 
         * co.nitro_dissoc_rate is the total N photo dissociation rate, cm-3 s-1 */
        chem = co.nitro_dissoc_rate * 3.83e-12 * nitro.quench_5200;
        linadd(chem,5200,"chem",'i',
                " upper limit to [N I] 5200 produced by chemistry" );

        pump = nitro.pump_rate_N1 * nitro.quench_5200 * 3.83e-12 * 
                dense.xIonDense[ipNITROGEN][0];
        linadd(pump,5199,"pump",'i',
                "  guess of contribution from pumping by FUV lines, evaluated in CoolNitr assumes 100% of triplet pumps goes to singlets - this is surely a large overestimate so will only print intensity, do not add to total line " );

        /* this is upper limit to production of 5200 by charge transfer -  
         * atmdat.HCharExcRecTo_N0_2D is the rate coefficient (cm3 s-1) for N+(3P) + H0 -> H+ + N0(2D) */
        ctRate = atmdat.HCharExcRecTo_N0_2D*dense.xIonDense[ipHYDROGEN][0]*dense.xIonDense[ipNITROGEN][1] * 
                3.83e-12 * nitro.quench_5200;
        /*  */
        linadd(ctRate,5200,"H CT",'i',
                " upper limit to [N I] 5200 produced by charge transfer" );

        linadd(nitro.xN5200,5200,"N 1c",'c',
                " [N I] 5200 - just collisions" );

        linadd(nitro.xN5198,5198,"N 1c",'c',
                "  [N I] 5198 - just collisions" );

        /*  >>chng 06 jul 08, add chem process to total assuming in proportional to stat weight  */
        linadd(nitro.xN5200 + (ctRate+chem+rec)*0.6 , 5200 ,"N  1",'i',
                "[N I] 5200 - all processes - stat weight is 6 - total in term is 10" );

        linadd(nitro.xN5198 + (ctRate+chem+rec)*0.4 , 5198 ,"N  1",'i',
                "[N I] 5198 - all processes - stat weight is 4 - total in term is 10 " );

        PntForLine(5200.,"N1 o",&ipnt);
        lindst(nitro.xN5200+nitro.xN5198 + (ctRate+chem+rec) , 5199 , "TOTL",ipnt , 'i',true,
                " [N I] 5200 + 5198 together "  );

        linadd(nitro.xN3466,3466,"N  1",'c',
                "[N I] 3466 together " );

        linadd(nitro.xN3467,3468,"N  1",'c',
                " [N I] 3467 together " );

        linadd(nitro.xN3467+nitro.xN3466,3467,"TOTL",'i',
                " [N I] 3467, 3466 together " );

        linadd(nitro.xN10408, 10408, "N  1",'c',
                " " );

        linadd(nitro.xN10397+nitro.xN10398+nitro.xN10407, 10404,"N  1", 'c',
                " Nitrogen I 10397, 10408, 10407 together");

        linadd(nitro.xN10398+nitro.xN10397+nitro.xN10408+nitro.xN10407, 10403,"TOTL", 'i',
                " Nitrogen I 10398, 10397, 10408, 10407 together");

        /*************************/

        linadd(nitro.c5200+rec,5200,"N1 o",'i',
                " N 1 5200, both 5198, 5200, collisions and recombination ");

        linadd(nitro.c5200,5200,"Colo",'c',
                " N 1 5200, both 5198, 5200, collisions and recombination " );

        linadd(rec,5200,"REC ",'i',
                " recombination contribution to [NI] 5200" );

        PntForLine(3466.,"N  1",&ipnt);
        lindst(nitro.c3466,3466,"N1 o",ipnt,'c',true,
                " [N 1] 3466, 3 - 1 transition, whole multiplet" );

        PntForLine(10400.,"N  1",&ipnt);
        lindst(nitro.c10400,10400,"N1 o",ipnt,'c',true ,
                " [N 1] 10400 3 - 2 transition, whole multiplet");

        PutLine(&TauLines[ipT1200],
                "  collisionally excited part ");

        PutLine(&TauLines[ipT671],
                "  6 lines with fake collision strengths" );
        PutLine(&TauLines[ipT315],
                " " );
        PutLine(&TauLines[ipT333],
                " " );
        PutLine(&TauLines[ipT324],
                " " );
        PutLine(&TauLines[ipT374g],
                " " );
        PutLine(&TauLines[ipT374x],
                " " );

        PntForLine(6584.,"N  2",&ipnt);
        lindst(nitro.c6584/(1.+1./2.951),6584,"N  2",ipnt,'c',true ,
                "  N 2 6584 alone " );

        PntForLine(6548.,"N  2",&ipnt);
        lindst(nitro.c6584/(1.+2.951),6548,"N  2",ipnt,'c',true,
                "  N 2 6548 alone "  );

        efficn2 = 4e-3/(4e-3 + 5.18e-6*dense.eden/phycon.sqrte);
        r6584 = 8e-22/(phycon.te70/phycon.te03/phycon.te03)*efficn2;
        linadd(r6584*dense.xIonDense[ipNITROGEN][2]*dense.eden,6584,"REC ",  'i',
                "  N 2 6584 alone, recombination contribution"  );

        /* helium charge transfer from 
        >>refer n2      CT      Sun Sadeghpour, Kirby Dalgarno and Lafyatis, CfA preprint 4208 */
        ctRate = 1.8e-11*dense.xIonDense[ipHELIUM][0]*dense.xIonDense[ipNITROGEN][2]*1.146/(1.146 + 
          0.87*dense.cdsqte)*3.46e-12;

        /* >>chng 01 jul 09, add recombination contribution to 5755 */
        /* >>refer      n2      rec     Liu, X.W., Storey, P.J., Barlow, M.J., Danziger, I.J., Cohen, M.,
         * >>refercon   & Bryce, M., 2000, MNRAS, 312, 585 */
        /* they give intensity in terms of hbeta intensity as their equation 1 */
        if( dense.xIonDense[ipHYDROGEN][1] > SMALLFLOAT )
        {
                /* this test on >0 is necessary because for sims with no H-ionizing radiation
                 * the H+ density is initially zero */
                /* H beta recombination, assuming old case B, needed since HS tables have
                 * only a narrow temperature range - at this point units are ergs cm^3 s-1 */
                HBeta = (pow(10.,-20.89 - 0.10612*POW2(phycon.alogte - 4.4)))/phycon.te;

                /* now convert to ergs cm-3 s-1 
                 * >>chng 05 mar 17, this step was missing, so recombination intensity off by density squared,
                 * bug reported by Marcelo Castellanos */
                HBeta *= dense.eden * dense.xIonDense[ipHYDROGEN][1];

                /* CoolHeavy.xN2_A3_tot is fraction of excitations that produce a photon 
                 * and represents the correction for collisional deexcitation */
                /*>>chng 05 dec 16, Liu et al. (2000) eqn 1 uses t = Te/10^4 K, not Te so phycon.te30 
                 * is too large: (10^4)^0.3 = 16 - div by 15.8489 - bug caught by Kevin Blagrave */
                rec = nitro.xN2_A3_tot * HBeta *
                        3.19 * phycon.te30 / 15.84893 * dense.xIonDense[ipNITROGEN][2]/dense.xIonDense[ipHYDROGEN][1];
        }
        else
        {
                HBeta = 0.;
                rec = 0.;
        }

        PntForLine(5755.,"N  2",&ipnt);
        lindst(nitro.c5755+ctRate+rec ,5755,"N  2",ipnt,'i',true,
                " N 2 5755  total, collisions plus charge transfer plus recombination"  );

        linadd(nitro.c5755,5755,"Coll",'c',
                " N 2 5755  collisional contribution" );

        linadd(ctRate,5755,"C T ",'i',
                " N 2 5755  charge transfer contribution " );

        linadd( rec ,5755,"N 2r",'i',
                " N 2 5755  recombination contribution" );

        PutLine(&TauLines[ipT122],
                "  N 2 fine structure line ");

        PutLine(&TauLines[ipT205],
                "  N 2 fine structure line " );

        PutLine(&TauLines[ipT2140],
                "  N 2 2140 intercombination line " );

        /* >>chng 97 may 02, better rec contribution */
        /*rec = GetLineRec(201,1085)*(1.-TauLines[ipT1085].ColOvTot);*/
        /* >>chng 02 jul 01, add function to compute emission fraction */
        rec = GetLineRec(201,1085)*emit_frac(&TauLines[ipT1085]);
        PutExtra(MAX2(0.,rec));

        PutLine(&TauLines[ipT1085],
                "  N 2 1084, CS guess from g-bar " );

        linadd(MAX2(0.,rec),1085,"Rec ",'i',
                " dielectronic recombination contribution to N 2 1085" );

        /* continuum pumping of N 2 intersystem transition */
        rnii = TauLines[ipT671].Emis->pump*TauLines[ipT671].Emis->PopOpc;

        linadd(rnii*0.377*0.75*3.02e-12*efficn2,6584,"N2cn",'i',
                " continuum pumped N 2 6584 " );

        efficn2 = 1./(1. + COLL_CONST*dense.eden/phycon.sqrte);
        linadd(rnii*0.0117*3.46e-12*efficn2,5755,"N2cn",'i',
                " continuum pumped N 2 5755" );

        /* pumping of the NII 509A line excites 2p4s ^3P^o,
         * which decays through the 3328, 5679, and 671 multiplets
         * the NII 3311 (6 lines), 3840 (6 lines), and 3600 (3 lines) multiplets,
         * contributions by both continuum pumping through XUV line
         * and recombination */
        /* this is the driving line, pump is photons cm^-3 s^-1 */
        if( nWindLine > 0 )
        {
                pump = TauLine2[265].Emis->pump*TauLine2[265].Emis->PopOpc;
        }
        else
        {
                pump = 0.;
        }

        PntForLine(3311.,"N  2",&ipnt);
        lindst(pump*0.236 * 6.01e-12/(1.+dense.eden/1e12) ,3311,"pump",ipnt,'i',true,
                " NII 3311.42 - 3331.31 (6 lines) are only pumped, no recombination part" );

        PntForLine(3840.,"N  2",&ipnt);
        lindst(pump*0.186 * 5.18e-12/(1.+dense.eden/1e12) ,3840,"pump",ipnt,'i',true,
                " NII 3829.8-3856.06 (6 lines) are only pumped, no recombination part" );

        PntForLine(3609.,"N  2",&ipnt);
        lindst(pump*0.025 * 5.52e-12/(1.+dense.eden/1e12) ,3609,"pump",ipnt,'i',true,
                " NII 3593.60/3609.1/3615.86 (3 lines) are only pumped, no recombination part" );


        PntForLine(4640.,"N  2",&ipnt);
        lindst(pump*0.186*0.595 * 4.31e-12/(1.+dense.eden/1e12) ,4640,"pump",ipnt,'i',true ,
                " NII 4601.5-4643.1 (6 lines) are only pumped, no recombination part");

        PntForLine(5010.,"N  2",&ipnt);
        lindst(pump*0.025*0.442 * 3.97e-12/(1.+dense.eden/1e12) ,5010,"pump",ipnt,'i',true,
                " NII 5002.7/5010.6/5045.1 (3 lines) are only pumped, no recombination part " );

        /* recombination and specific pump for NII 5679 */
        rec = GetLineRec(44, 5679 );
        /* convert UV pump rate to intensity with branching ratio and hnu */
        pump *= 0.236 * 0.626 * 3.50e-12;

        linadd(rec/(1.+dense.eden/1e12),5679,"N 2r",'i',
                " recombination part of N II 5679 line" );

        linadd(pump/(1.+dense.eden/1e12),5679,"N 2p",'i',
                " pumped part of line N II 5679 " );

        PntForLine(5679.,"N  2",&ipnt);
        lindst((rec+pump)/(1.+dense.eden/1e12),5679,"TOTL",ipnt,'i',true,
                " total intensity, all processes, N II 5679 " );

        PutLine(&TauLines[ipT57],
                " [N 3] 57 micron fine structure line");

        linadd(
                TauLines[ipN3_1749].Emis->xIntensity+
                TauLines[ipN3_1747].Emis->xIntensity+
                TauLines[ipN3_1754].Emis->xIntensity+
                TauLines[ipN3_1752].Emis->xIntensity+
                TauLines[ipN3_1751].Emis->xIntensity,
                1750,"TOTL",'i',
                " total intensity of N III] 1750, all lines in the multiplet " );
        PutLine(&TauLines[ipN3_1749],
                " ");
        PutLine(&TauLines[ipN3_1747],
                " ");
        PutLine(&TauLines[ipN3_1754],
                " ");
        PutLine(&TauLines[ipN3_1752],
                " ");
        PutLine(&TauLines[ipN3_1751],
                " ");

        /* continuum pumped "Bowen" N 3
         * rate system a is populated  */
        raten3 = TauLines[ipT374x].Emis->PopOpc*TauLines[ipT374x].Emis->pump;

        /* rate system b is populated */
        if( DoppVel.TurbVel < 200. )
        {
                rb = TauLines[ipT374x].Emis->PopOpc*TauLines[ipT374x].Emis->pump + 
                        TauLines[ipT374g].Emis->PopOpc*TauLines[ipT374g].Emis->pump;
        }
        else
        {
                /* only one line if both fully overlap due to large turb */
                rb = TauLines[ipT374g].Emis->PopOpc*TauLines[ipT374g].Emis->pump;
        }

        rn3mor = 
                TauLines[ipT315].Emis->PopOpc*TauLines[ipT315].Emis->pump*0.448 + 
                TauLines[ipT324].Emis->PopOpc*TauLines[ipT324].Emis->pump*0.78 + 
                TauLines[ipT333].Emis->PopOpc*TauLines[ipT333].Emis->pump*0.434;

        /* pumping of optical N 3 bowen lines */
        rn3tot = (rb + raten3)*0.439 + rn3mor;

        sum = raten3*4.29e-12;
        PntForLine(4640.,"N3cn",&ipnt);
        lindst(sum,4640,"N3cn",ipnt,'i',true ,
                " continuum pumped \"Bowen\" N 3, optically thin excited line ");

        /*  */
        sum = rb*4.29e-12*0.834;
        PntForLine(4634.,"N3cn",&ipnt);
        lindst(sum,4634,"N3cn",ipnt,'i',true ,
                " continuum pumped \"Bowen\" N 3, optically thin excited line");

        sum = rb*4.29e-12*(1. - 0.834);
        PntForLine(4642.,"N3cn",&ipnt);
        lindst(sum,4642,"N3cn",ipnt,'i',true,
                " continuum pumped \"Bowen\" N 3, optically thin excited line" );

        /* total rate for N 3 990
         * correction factor for collisional deexcitation */
        /*fac = 1.-TauLines[ipT990].ColOvTot;*/
        /* >>chng 02 jul 01, add function to compute emission fraction */
        fac = 1.-emit_frac(&TauLines[ipT990]);

        /* >>chng 97 may 02, better rec coef */
        /*rec = GetLineRec(216,991)*(1.-TauLines[ipT990].ColOvTot);*/
        /* >>chng 02 jul 01, add function to compute emission fraction */
        rec = GetLineRec(216,991)*emit_frac(&TauLines[ipT990] );
        PutExtra(MAX2(0.,rec)+rn3tot*2.01e-11*fac);

        PutLine(&TauLines[ipT990],
                "  N 3 990, all processes ");

        linadd(rec+rn3tot*2.01e-11*fac,990,"extr",'i',
                " total N 3 990, both electron excitation and continuum pumping" );

        linadd(rec,990,"rec ",'i',
                " part of N 3 990 due to recombination " );

        linadd(rn3tot*2.01e-11,990,"N 3p",'r',
                " N 3 989.8, continuum pumped" );

        linadd(embesq.em1486+TauLines[ipT1486].Emis->xIntensity,1486,"TOTL",'i',
                " N 4] 1486, total intensity of both lines" );

        PutLine(&TauLines[ipT1486],
                " ");

        PntForLine(1485.,"N  4",&ipnt);
        lindst(embesq.em1486,1485,"N  4",ipnt,'c',true ,
                " the N IV] slow transition by itself " );

        /* >>chng 97 may 02, better expression for dielectronic recombination */
        /*rec = GetLineRec(287,765)*(1.-TauLines[ipT765].ColOvTot);*/
        /* >>chng 02 jul 01, add function to get emission fraction */
        rec = GetLineRec(287,765)*emit_frac(&TauLines[ipT765] );

        /* dielectronic recombination contribution from Nussbaumer and Storey 1984 */
        PutExtra(rec);

        PutLine(&TauLines[ipT765],
                " N 4 765, collisionally excited");

        linadd(MAX2(0.,rec),765,"rec ",'i',
                " N 4 765 recombination," );

        linadd(TauLines[ipT1243].Emis->xIntensity+TauLines[ipT1239].Emis->xIntensity,1240,"TOTL",'i',
                " continuum pumping of NV 1240, N 5 1240, total emission, collisions plus pumping " );
        sum = TauLines[ipT1243].Emis->xIntensity*TauLines[ipT1243].Emis->FracInwd + TauLines[ipT1239].Emis->xIntensity*
          TauLines[ipT1239].Emis->FracInwd;

        linadd(sum,1240,"Inwd",'i',
                " inward part of N 5 " );
        PutLine(&TauLines[ipT1243],
                " ");
        PutLine(&TauLines[ipT1239],
                " ");

        PutLine(&TauLines[ipT209],
                "  N 5 209, 2s-3p Li seq ");

        PntForLine(6300.,"O  1",&ipnt);
        lindst(CoolHeavy.c6300,6300,"O  1",ipnt,'c',true ,
                "  oxygen total Oxygen I  6300, including continuum optical depth ");

        /* the intensity of [OI] 6300 line due to OH photodistruction */
        /* last term is fraction that emit rather than collisionally deexcited,
         * factor of 0.55 is branching ratio from chemistry for producing
         * OI in correct excited state 
         * this is used to get OH photo formation of [OI] 6300
         *>>refer       OI      photoexcitation Storzer, H., & Hollenbach, D. 2000, ApJ, 539, 751-759 
         * discussion on bottom left side of page 752 */
        /* rate_OH_dissoc is number of OH destruction events, OH -> O + H, cm-3 s-1,
         * 0.55 is fraction of OH dissociation that lead to pop of upper level of 6300
         * r12 is energy emitted per unit vol, erg cm-3 s-1, in 6300, due to OH dest */
        rate_OH_dissoc = CO_findrate("PHOTON,OH=>O,H");
        r12 = rate_OH_dissoc * 0.55 * 3.16e-12 * CoolHeavy.c6300_frac_emit;

        lindst( r12*TauLines[ipT6300].Emis->Aul/(TauLines[ipT6300].Emis->Aul+TauLines[ipT6363].Emis->Aul) , 
                6300., "OH p",ipnt , 'i' , false,
                " the intensity of [OI] 6300 line due to OH photodistruction");

        lindst( r12*TauLines[ipT6363].Emis->Aul/(TauLines[ipT6300].Emis->Aul+TauLines[ipT6363].Emis->Aul) , 
                6363., "OH p",ipnt , 'i' , false,
                " the intensity of [OI] 6363 line due to OH photodistruction ");

        PntForLine(6363.,"O  1",&ipnt);
        lindst(CoolHeavy.c6363,6363,"O  1",ipnt,'c',true,
                " total Oxygen I  6363, including continuum optical depth " );

        PntForLine(5577.,"O  1",&ipnt);
        lindst(CoolHeavy.c5577,5577,"O  1",ipnt,'c',true,
                " auroral OI " );

        r13 = rate_OH_dissoc * 0.05 * 3.57e-12 * 0.94*CoolHeavy.c5577_frac_emit;
        lindst( r13 , 5577., "OH p",ipnt , 'i', false,
                " 94% of excitations to highest level decay via 5577" );

        PutLine(&TauLines[ipT63],
                "  O I fine structure line ");

        PutLine(&TauLines[ipT146],
                "  O I fine structure line ");

        linadd(MAX2(0.,CoolHeavy.coolOi),0,"TOIc",'c',
                " total collisional cooling due to 6-level OI atom" );

        linadd(MAX2(0.,-CoolHeavy.coolOi),0,"TOIh",'h',
                " total collisional heating due to 6-level OI atom " );

        /* OI 8446 from six level atom */
        /* >>chng 04 nov 15, upper level for 8446 was incorrect - was 4 should have been 2
         * bug caught by Yoshiki Matsuoka *
         *sum = atoms.popoi[4]*TauLines[ipT8446].Pesc*TauLines[ipT8446].Aul*2.36e-12;*/
        sum = atoms.popoi[2]*TauLines[ipT8446].Emis->Pesc*TauLines[ipT8446].Emis->Aul*2.36e-12;
        PntForLine(8446.,"O  1",&ipnt);

        lindst(sum,8446,"6lev",ipnt,'i',false,
                " * \todo       2        these are actually in the optical depth arrays, should be moved to call PutLine - but some needed vars are not defined in structure " );

        PntForLine(1304.,"O  1",&ipnt);
        sum = atoms.popoi[1]*TauLines[ipT1304].Emis->Pesc*TauLines[ipT1304].Emis->Aul*1.53e-11;
        lindst(sum,1304,"6lev",ipnt,'i',false,
                " OI 1304 from six level atom " );

        PntForLine(1039.,"O  1",&ipnt);
        sum = atoms.popoi[3]*TauLines[ipT1039].Emis->Pesc*TauLines[ipT1039].Emis->Aul*1.92e-11;
        lindst(sum,1039,"6lev",ipnt,'i',false ,
                " OI 1039 from six level atom");

        PntForLine(4368.,"O  1",&ipnt);
        sum = atoms.popoi[5]*TauLines[ipT4368].Emis->Pesc*TauLines[ipT4368].Emis->Aul*4.55e-12;
        lindst(sum,4368,"6lev",ipnt,'i',false,
                " OI 4368 from six level atom" );

        PntForLine(13100.,"O  1",&ipnt);
        sum = atoms.popoi[3]*TauLines[ipTOI13].Emis->Pesc*TauLines[ipTOI13].Emis->Aul*1.52e-12;
        lindst(sum,13100,"6lev",ipnt,'i',false ,
                "OI 1.3 micron from six level atom");

        PntForLine(11300.,"O  1",&ipnt);
        sum = atoms.popoi[4]*TauLines[ipTOI11].Emis->Pesc*TauLines[ipTOI11].Emis->Aul*1.76e-12;
        lindst(sum,11300,"6lev",ipnt,'i',false ,
                " OI 1.1 micron from six level atom");

        PntForLine(29000.,"O  1",&ipnt);
        sum = atoms.popoi[5]*TauLines[ipTOI29].Emis->Pesc*TauLines[ipTOI29].Emis->Aul*6.86e-13;
        lindst(sum,29000,"6lev",ipnt,'i',false ,
                " OI 2.9 micron from six level atom");

        PntForLine(46000.,"O  1",&ipnt);
        sum = atoms.popoi[5]*TauLines[ipTOI46].Emis->Pesc*TauLines[ipTOI46].Emis->Aul*4.32e-13;
        lindst(sum,46000,"6lev",ipnt,'i',false ,
                " OI 4.6 micron from six level atom");

        /*double rec7323 , rec7332, rec3730 , rec3726 , rec2471 
         * reco23tot , reco22tot;*/

        /* total recombination to 2P^o, the highest two levels of the 5-level atom,
         * which produces the 7325 multiplet, last factor accounts for coll deexcitation  
         * this implements equation 2 of 
         * refer        o2      rec     Liu, X-W., Storey, P.J., Barlow, M.J., Danziger, I.J.,
         * refercon     Cohen, M., & Bryce, M., 2000, MNRAS, 312, 585 */
        /* >>chng 05 dec 29, from first eqn, or unknown origin, to second, from indicated
         * reference.  They agreed within 20% */
        /*reco23tot = 3.484e-11 / ( phycon.sqrte / phycon.te05 * phycon.te003 ) * 
                dense.eden * dense.xIonDense[ipOXYGEN][2] * CoolHeavy.O2_A3_tot *2.72e-12;*/
        if( dense.xIonDense[ipHYDROGEN][1]  > SMALLFLOAT )
        {
                /* this test is necessary because for sims with no H-ionizing radiation
                 * the H+ density is initially zero */
                reco23tot = CoolHeavy.O2_A3_tot * HBeta *
                        9.36 * phycon.te40*phycon.te04 / 57.544 * dense.xIonDense[ipOXYGEN][2]/dense.xIonDense[ipHYDROGEN][1];
        }
        else
        {
                reco23tot = 0.;
        }

        sum = CoolHeavy.O2471*2471./7325. + CoolHeavy.O7323 + CoolHeavy.O7332;
        if( sum > SMALLFLOAT )
        {
                /* assume effective branching ratio according to predicted intensities from 5-lev atom*/
                reco23tot /= sum;
        }
        else
        {
                reco23tot = 0.;
        }
        /* these are now ergs per sec unit vol for each transition */
        rec7323 = reco23tot * CoolHeavy.O7323;
        rec7332 = reco23tot * CoolHeavy.O7332;
        rec2471 = reco23tot * CoolHeavy.O2471*2471./7325. * 8.05e-12/2.72e-12;

        /* total recombination to 2D^o, the middle two levels of the 5-level atom,
         * which produces the 3727 multiplet, last factor accounts for coll deexcit */
        reco22tot = 1.660e-10 / ( phycon.sqrte * phycon.te03 * phycon.te005 ) * 
                dense.eden * dense.xIonDense[ipOXYGEN][2] * CoolHeavy.O2_A2_tot;
        /* assume effective branching ratio according to predicted intensities from 5-lev atom*/
        sum = CoolHeavy.O3726 + CoolHeavy.O3730;
        if( sum > SMALLFLOAT )
        {
                reco22tot /= sum;
        }
        else
        {
                reco22tot = 0.;
        }
        /* these are now ergs per sec unit vol for each transition */
        rec3726 = reco22tot * CoolHeavy.O3726 * 5.34e-12;
        rec3730 = reco22tot * CoolHeavy.O3730 * 5.34e-12;

        /* O II 3727 produced by photoionization OF O0 */
        oxy.s3727 = (realnum)((oxy.s3727 + oxy.s7325*0.5)*5.34e-12*
          9.7e-5/(9.7e-5 + dense.eden*1.15e-6/phycon.sqrte));

        PntForLine(3727.,"O  2",&ipnt);
        fac = CoolHeavy.c3727+oxy.s3727+rec3726+rec3730;
        lindst(fac ,3727,"TOTL",ipnt,'c',true,
                " O II 3727, all lines of multiplet together " );

        PntForLine(7325.,"O  2",&ipnt);
        fac = CoolHeavy.c7325+rec7323+rec7332;
        lindst( fac ,7325,"TOTL",ipnt,'c',true ,
                " O II 7325, all lines of multiplet together");

        linadd(oxy.s3727,3727,"IONZ",'i',
                " line produced by photoionization of Oo; already in TOTL" );
        oxy.s7325 = (realnum)(oxy.s7325*2.72e-12*0.34/(0.34 + dense.eden*
          6.04e-6/phycon.sqrte));

        linadd(oxy.s7325,7325,"IONZ",'i',
                " line produced by photoionization of Oo; already in TOTL" );

        linadd(CoolHeavy.c7325,7325,"Coll",'i',
                " collisional contribution to line " );

        linadd(CoolHeavy.c3727,3727,"Coll",'i',
        " collisional contribution to line " );

        linadd(CoolHeavy.O3730,3729,"O II",'i',
                " five level atom calculations; D5/2 - S3/2" );

        linadd(CoolHeavy.O3726,3726,"O II",'i',
                " D3/2 - S3/2 transition" );

        linadd(CoolHeavy.O2471,2471,"O II",'c',
                " both 2P 1/2 and 3/2 to ground " );

        linadd(CoolHeavy.O7323,7323,"O II",'i',
                " P1/2-D5/2 and P3/2-D5/2 together" );

        linadd(CoolHeavy.O7332,7332,"O II",'i',
                " P1/2-D3/2 and P3/2-D3/2 together " );

    linadd( rec3730 ,3729,"O 2r",'i',
                " chng 01 jul 08, add recombination contribution  refer o2      rec     Liu, X-W., Storey, P.J., Barlow, M.J., Danziger, I.J.,refercon  Cohen, M., & Bryce, M., 2000, MNRAS, 312, 585  recombination contributions five level atom calculations; D5/2 - S3/2 " );

        linadd( rec3726 ,3726,"O 2r",'i',
                " D3/2 - S3/2 transition" );

        linadd(rec2471,2471,"O 2r",'i',
                " both 2P 1/2 and 3/2 to ground " );
        linadd(rec7323,7323,"O 2r",'i',
                " P1/2-D5/2 and P3/2-D5/2 together " );

        linadd(rec7332,7332,"O 2r",'i',
                " P1/2-D3/2 and P3/2-D3/2 together " );

        PutLine(&TauLines[ipT834],
                "  O II 833.8 coll excit ");

        /* the OII multiplets,
         * contributions by both continuum pumping through XUV line
         * and recombination */
        /* this is the driving line, pump is photons cm^-3 s^-1 */
        if( nWindLine > 0 )
        {
                pump = TauLine2[387].Emis->pump*TauLine2[387].Emis->PopOpc;
        }
        else
        {
                pump = 0.;
        }

        PntForLine(3120.,"O  2",&ipnt);
        lindst(pump*0.336 * 6.37e-12/(1.+dense.eden/1e12) ,3120,"pump",ipnt,'i',true,
                " OII 3113.62 - 3139.68 (8 lines) are only pumped, no recombination part" );

        PntForLine(3300.,"O  2",&ipnt);
        lindst(pump*0.147 * 6.03e-12/(1.+dense.eden/1e12) ,3300,"pump",ipnt,'i',true,
                " OII 3277.56 - 3306.45 (6 lines) are only pumped, no recombination part" );

        PntForLine(3762.,"O  2",&ipnt);
        lindst(pump*0.087 * 5.29e-12/(1.+dense.eden/1e12) ,3762,"pump",ipnt,'i',true,
                " OII 3739.76/3762.47/3777.42 (3 lines) are only pumped, no recombination part" );

        /* recombination and specific pump for OII 4638.86-4696.35 (8 lines) */
        rec = GetLineRec(82, 4651 );
        PntForLine(4651.,"O  2",&ipnt);
        lindst(rec,4651,"O 2r",ipnt,'i',true,
                " O II 4651 total recombination, 4638.86-4696.35 (8 lines)  " );

        /* convert UV pump rate to intensity with branching ratio and hnu recombination 
         * part of O II 4651 line */
        linadd(pump* 0.336 * 0.933 * 4.27e-12/(1.+dense.eden/1e12),4651,"O 2p",'i',
                " pumped part of line O II 4651 " );

        /* recombination and specific pump for OII 4317.14-4366.89 (6 lines) */
        rec = GetLineRec(83, 4341 );

        linadd(rec/(1.+dense.eden/1e12),4341,"O 2r",'i',
                " recombination contribution to O II 4341 line " );

        linadd(pump* 0.147 * 0.661 * 4.58e-12/(1.+dense.eden/1e12),4341,"O 2p",'i',
                " pumped part of line O II 4341 " );

        PntForLine(4341.,"O  2",&ipnt);
        lindst(rec+pump* 0.147 * 0.661 * 4.58e-12/(1.+dense.eden/1e12),4341,"TOTL",ipnt,'i',true,
                " total intensity, all processes, O II 4341" );

        /* recombination and specific pump for OII 3712.74/3727.32/3749.48 (3 lines) */
        rec = GetLineRec(84, 3736 );
        /* convert UV pump rate to intensity with branching ratio and hnu */

        linadd(rec/(1.+dense.eden/1e12),3736,"O 2r",'i',"\n recombination part of O II 3736 line " );
        linadd(pump* 0.087 * 0.763 * 5.33e-12/(1.+dense.eden/1e12),3736,"O 2p",'i',
                " pumped part of line O II 3736" );

        PntForLine(3736.,"O  2",&ipnt);
        lindst((rec+pump* 0.087 * 0.763 * 5.33e-12)/(1.+dense.eden/1e12),3736,"TOTL",ipnt,'i',true,
                " total intensity, all processes, O II 3736" );

        /* O III 1661+1666 */
        /*efac = ((1.-TauLines[ipT1666].ColOvTot) + (1.-TauLines[ipT1661].ColOvTot))*0.5;*/
        efac = (emit_frac(&TauLines[ipT1666]) + emit_frac(&TauLines[ipT1661]))*0.5;

        linadd(TauLines[ipT1666].Emis->xIntensity+TauLines[ipT1661].Emis->xIntensity,1665,"TOTL",'i',
                "total intensity of OIII] 1665, all processes " );
        PutLine(&TauLines[ipT1661]," ");

        PutLine(&TauLines[ipT1666]," ");

        linadd(oxy.p1666*1.20e-11*efac,1665,"Phot",'i',
                " contribution to OIII 1665 due to inner shell (2s^2) ionization " );

        linadd(oxy.AugerO3*1.20e-11*efac*0.27,1665,"Augr",'i',
                " contribution to OIII 1665 due to K-shell ionization " );

        PntForLine(5007.,"O  3",&ipnt);
        lindst(CoolHeavy.c5007/(1.+1./3.01),5007,"O  3",ipnt,'c',true ,
                "  O III  5007 alone, collisions, tot OIII is this times 1.333  fac = c5007/(1.+1./2.887) >>chng 01 may 04, branching ratio had been 2.887, revised to 3 as per refer   o3      as      Storey, P.J., & Zeippen, C.J., 2000, 312, 813-816 ");

        PntForLine(4959.,"O  3",&ipnt);
        lindst(CoolHeavy.c5007/(1.+3.01),4959,"O  3",ipnt,'c',true,
                " O III  4959 alone, collisions, tot OIII is this times 4" );

        PntForLine(4931.,"O  3",&ipnt);
        lindst(CoolHeavy.c5007/(1.+3.01)*4.09e-4 ,4931,"O  3",ipnt,'c',true ,
                "  O III  4931 alone, collisions  >>chng 01 jul 11, added this line  >>refer    o3      as      Nussbaumer, H., & Storey, P., 1981, A&A, 99, 177  >>refer       o3      as      Mathis, J.S., & Liu, X.-W., 1999, ApJ, 521, 212-216 ");

        linadd(oxy.d5007t/1.25,5007,"LOST",'i',
                " O III 5007 lost through excited state photo" );

        /* collisional quenching ratio */
        effec = 1.6/(1.6 + 0.9*dense.cdsqte);

        /* O III 4363 recombination, coefficient from Burgess and Seaton */
        r4363 = 6.3e-21/(phycon.te70*phycon.te10)*dense.eden*dense.xIonDense[ipOXYGEN][3]*
          effec;

        /* charge exchange, 
         * >>refer      O3      CT      Dalgarno+Sternberg ApJ Let 257, L87.
         * scaled to agree with 
         * >>refer      O3      CT      Gargaud et al AA 208, 251, (1989) */
        ct4363 = phycon.sqrte*1.3e-12*4.561e-12*dense.xIonDense[ipHYDROGEN][0]*dense.xIonDense[ipOXYGEN][3]*
          effec;

        fac = CoolHeavy.c4363 + r4363 + ct4363;
        PntForLine(4363.,"O  3",&ipnt);
        lindst(fac,4363,"TOTL",ipnt,'i',true,
                " O III 4363, sum of rec, coll, ct excitation" );

        linadd(CoolHeavy.c4363,4363,"Coll",'c',
                " O III 4363,collisions from five level atom " );

        linadd(r4363,4363,"Rec ",'i',
                " O III 4363 recombination, coefficient from Burgess and Seaton " );

        PntForLine(2321.,"O  3",&ipnt);
        lindst(CoolHeavy.c4363*0.236,2321,"O  3",ipnt,'c',true ,
                " collisional excitation of 2321, 5-level atom");
        linadd(ct4363,4363,"C EX",'i' ,
                " call linadd( c4363*0.236 , 2321 , 'O  3','c') charge exchange, Dalgarno+Sternberg ApJ Let 257, L87. ");

        linadd(dense.xIonDense[ipHYDROGEN][0]*dense.xIonDense[ipOXYGEN][3]*0.225*3.56e-12*1.34e-11*phycon.sqrte,
          5592,"C EX",'i'," charge exchange rate, D+S " );

        PutLine(&TauLines[ipTO88],
                " O III 88 micron, collisionally excited");

        PutLine(&TauLines[ipT52],
                " O III 52 micron, collisionally excited ");

        /* >>chng 97 may 02, better rec contribution */
        /*rec = GetLineRec(331,835)*(1.-TauLines[ipT835].ColOvTot);*/
        rec = GetLineRec(331,835)*emit_frac(&TauLines[ipT835]);
        PutExtra(MAX2(0.,rec));

        PutLine(&TauLines[ipT835],
                "  O III 834A, collisions and dielectronic recombination ");

        linadd(MAX2(0.,rec),835,"rec ",'i',
                " O III 834A, dielectronic recombination only" );

        PutLine(&TauLines[ipT26],
                "  O IV 26 micron ");

        linadd(
                TauLines[ipO4_1400].Emis->xIntensity+
                TauLines[ipO4_1397].Emis->xIntensity+
                TauLines[ipO4_1407].Emis->xIntensity+
                TauLines[ipO4_1405].Emis->xIntensity+
                TauLines[ipO4_1401].Emis->xIntensity,
                1402,"TOTL",'i',
                " total intensity of O IV] 1402, all lines in the multiplet " );

        PutLine(&TauLines[ipO4_1400],
                " ");
        PutLine(&TauLines[ipO4_1397],
                " ");
        PutLine(&TauLines[ipO4_1407],
                " ");
        PutLine(&TauLines[ipO4_1405],
                " ");
        PutLine(&TauLines[ipO4_1401],
                " ");

        linadd(oxy.p1401*1.42e-11,1401,"InSh",'i',
                " inner shell photoionization, relaxation " );

        /* >>chng 97 may 02, better rec contribution */
        rec = GetLineRec(378,789)*(1.-TauLines[ipT789].Emis->ColOvTot);
        rec = GetLineRec(378,789)*emit_frac(&TauLines[ipT789]);
        PutExtra(MAX2(0.,rec));

        PutLine(&TauLines[ipT789]," O IV 789A");

        linadd(MAX2(0.,rec),789,"rec ",'i',
                " O IV 789A, dielectronic recombination only" );

        /* >>chng 97 may 02, better rec contribution */
        rec = GetLineRec(466,630);
        PutExtra(MAX2(0.,rec));

        PutLine(&TauLines[ipT630],"O V 630, collisional excitation and dielectronic recombination");

        linadd(MAX2(0.,rec),630,"rec ",'i',
                " O V 630A, dielectronic recombination only" );

        linadd(embesq.em1218+TauLines[ipT1214].Emis->xIntensity,1218,"TOTL",'i',
                " O V 1218], total intensity of both lines " );
        PutLine(&TauLines[ipT1214], " ");

        linadd(embesq.em1218,1211,"O  5",'i',
                " the slow transition by itself" );

        linadd(1.4e-21/phycon.te70*dense.eden*dense.xIonDense[ipOXYGEN][5]*
          /*(1.-TauLines[ipT1214].ColOvTot),5112,"O  5",'i' );*/
          emit_frac(&TauLines[ipT1214]),5112,"O  5",'i',
          " BS O V 5112, recombination " );

        linadd(TauLines[ipT1032].Emis->xIntensity+TauLines[ipT1037].Emis->xIntensity,1035,"TOTL",'i',
                " O VI 1035, total of pumping and collisional excitation " );
        sum = TauLines[ipT1032].Emis->xIntensity*TauLines[ipT1032].Emis->FracInwd + 
                TauLines[ipT1037].Emis->xIntensity* TauLines[ipT1037].Emis->FracInwd;

        linadd(sum,1035,"Inwd",'i',
                "  inward part of OVI line" );
        PutLine(&TauLines[ipT1032],
                " ");
        PutLine(&TauLines[ipT1037],
                " ");

        PutLine(&TauLines[ipT150],
                "O VI 150, Li seq 2s 3p ");

        PutLine(&TauLines[ipF0229],
                " fluorine       * [F II] 29.33 microns");

        PutLine(&TauLines[ipF0267],
                "  [F II] 67.2 microns ");

        PutLine(&TauLines[ipF444],
                "  F IV 44.07 micron ");

        PutLine(&TauLines[ipF425],
                "  F IV 25.83 micron");

        PutLine(&TauLines[ipTNe13],
                "  neon Neon II 12.8 micron ");

        PutLine(&TauLines[ipTNe16],
                "  Ne III fine structure line ");

        PutLine(&TauLines[ipTNe36],
                "  Ne III fine structure line ");

        PntForLine(3869.,"Ne 3",&ipnt);
        lindst(CoolHeavy.c3869/(1.+1./3.318),3869,"Ne 3",ipnt,'c',true,
                "  Ne III  3869, of 3968+3869 doublet" );

        PntForLine(3968.,"Ne 3",&ipnt);
        lindst(CoolHeavy.c3869/(1.+3.318),3968,"Ne 3",ipnt,'c',true,
                " Ne III  3968, of 3968+3869 doublet" );

        PntForLine(3343.,"Ne 3",&ipnt);
        lindst(CoolHeavy.c3343,3343,"Ne 3",ipnt,'c',true,
                " NeIII auroral line " );

        PntForLine(1815.,"Ne 3",&ipnt);
        lindst(CoolHeavy.c3343*1.38,1815,"Ne 3",ipnt,'c',true ,
                "  NeIII auroral line");

        PntForLine(2424.,"Ne 4",&ipnt);
        lindst(CoolHeavy.c2424,2424,"Ne 4",ipnt,'c',true,
                " Ne IV 2424, collisional excitation" );

        PntForLine(4720.,"Ne 4",&ipnt);
        lindst(CoolHeavy.c4720,4720,"Ne 4",ipnt,'c',true,
                "  Ne IV N=3-2 lines, three level atom approx, this is the sum of the 4714.5, 4724.2, 4725.5 lines" );

        PntForLine(1602.,"Ne 4",&ipnt);
        lindst(CoolHeavy.c4720*4.34,1602,"Ne 4",ipnt,'c',true ,
                "  Ne IV N=3 lines, three level atom approx");

        PntForLine(3426.,"Ne 5",&ipnt);
        lindst(CoolHeavy.c3426/(1.+1./2.738),3426,"Ne 5",ipnt,'c',true,
                " Ne V 3426 of 3426, 3346 doublet" );

        PntForLine(3346.,"Ne 5",&ipnt);
        lindst(CoolHeavy.c3426/(1.+2.738),3346,"Ne 5",ipnt,'c',true,
                " Ne V 3346 of 3426, 3346 doublet " );

        PntForLine(2976.,"Ne 5",&ipnt);
        lindst(CoolHeavy.c2975,2976,"Ne 5",ipnt,'c',true,
                " auroral line " );

        PntForLine(1575.,"Ne 5",&ipnt);
        lindst(CoolHeavy.c1565,1575,"Ne 5",ipnt,'c',true,
                   " collisionally excited" );

        PutLine(&TauLines[ipTNe24],"\n  Ne V 24.2, 14.3 micron ");

        PutLine(&TauLines[ipTNe14],"\n  Ne V 24.2, 14.3 micron ");

        PntForLine(1141.,"Ne 5",&ipnt);
        lindst(CoolHeavy.c1134,1141,"Ne 5",ipnt,'c',true," both components of 5S-3P 1146.1, 1137.0 doublet " );

        PutLine(&TauLines[ipxNe0676],"\n  [Ne VI] 7.6 microns ");

        linadd(embesq.em895+TauLines[ipT895].Emis->xIntensity,895,"TOTL",'i',
                " Ne VII 895, collisionally excited, both lines " );

        PutLine(&TauLines[ipT895],
                "  Ne VII 895, only fast transition ");

        linadd(embesq.em895,890,"Ne 7",'i',
                " Ne VII 890, single line " );

        linadd(TauLines[ipT770].Emis->xIntensity+TauLines[ipT780].Emis->xIntensity,774,"TOTL",'i',
                " Ne VIII 774, collisionally excited " );

        sum = TauLines[ipT770].Emis->xIntensity*TauLines[ipT770].Emis->FracInwd + 
                TauLines[ipT780].Emis->xIntensity*TauLines[ipT780].Emis->FracInwd;
        linadd(sum,774,"Inwd",'i',
                " inward part of NeVIII 774 line" );

        PutLine(&TauLines[ipT770],
                " the NeVIII 770 780 doublet ");
        PutLine(&TauLines[ipT780],
                " ");

        PutLine(&TauLines[ipT88],
                "  Ne VIII 88 2s 3p, collisionally excited ");

        if( trace.lgTrace )
        {
                fprintf( ioQQQ, "   lines_lv1_li_ne returns\n" );
        }
        return;
}

/*GetLineRec return rec coef*hnu*eden*n_ion for C, N, or O recombination lines from Dima's list,
 * also zero's line in master stack so not entered second time in later dump of all rec lines */
STATIC double GetLineRec(
        /* this is the number of the emission line in the stack of lines, on the C scale */
        long int ip, 
        /* the multiplet wavelength */
  long int lWl)
{
        double GetLineRec_v;

        DEBUG_ENTRY( "GetLineRec()" );

        if( (long)(LineSave.RecCoefCNO[2][ip]+0.5) != lWl )
        {
                fprintf( ioQQQ, " GetLineRec called with incorrect wavelength.\n" );
                fprintf( ioQQQ, " index, call and get wl are %5ld%5ld%5ld\n", 
                  ip, lWl, (long)(LineSave.RecCoefCNO[2][ip]+0.5) );
                cdEXIT(EXIT_FAILURE);
        }

        /* final product is vol emissivity in line */
        GetLineRec_v = LineSave.RecCoefCNO[3][ip]*dense.eden*
                dense.xIonDense[(long)(LineSave.RecCoefCNO[0][ip])-1][(long)(LineSave.RecCoefCNO[0][ip]-LineSave.RecCoefCNO[1][ip]+2)-1]*
          1.99e-8/LineSave.RecCoefCNO[2][ip];

        /* zero out rec coefficient so that not used again in master dump
         * this routine cannot be called twice on same line */
        LineSave.RecCoefCNO[3][ip] = 0.;
        return( GetLineRec_v );
}

---