SpectraRust/synspec/extracted/hydlin.f
2026-03-19 14:05:33 +08:00

370 lines
11 KiB
Fortran

SUBROUTINE HYDLIN(ID,I0,I1,ABSOH,EMISH)
C =======================================
C
C opacity and emissivity of hydrogen lines
C
INCLUDE 'PARAMS.FOR'
INCLUDE 'MODELP.FOR'
INCLUDE 'SYNTHP.FOR'
PARAMETER (FRH1=3.28805E15,FRH2=FRH1/4.,UN=1.,SIXTH=1./6.)
PARAMETER (CPP=4.1412E-16,CPJ=157803.)
PARAMETER (C00=1.25E-9,CDOP=1.284523E12,CID=0.02654,TWO=2.)
PARAMETER (CPJ4=CPJ/4.,AL10=2.3025851,CINV=UN/2.997925E18)
PARAMETER (CID1=0.01497)
common/quasun/nunalp,nunbet,nungam,nunbal
common/hhebrd/sthe,nunhhe
common/gompar/hglim,ihgom
DIMENSION PJ(40),PRF0(54),OSCH(4,22),
* ABSO(MFREQ),EMIS(MFREQ),ABSOH(MFREQ),EMISH(MFREQ)
dimension wlir(15),irlow(15),irupp(15)
DATA FRH /3.289017E15/
data wlir/
* 123680., 75005., 59066., 51273.,190570.,113060.,
* 87577., 75061.,277960.,162050.,123840.,105010.,
* 223340.,168760.,141790./
data irlow/4*6, 4*7, 4*8, 3*9/
data irupp/7,8,9,10,8,9,10,11,9,10,11,12,11,12,13/
data nlinir/15/
c
DATA INIT /0/
C
DO IJ=I0,I1
ABSOH(IJ)=0.
EMISH(IJ)=0.
END DO
c
if(iath.le.0.or.rrr(1,1,1).eq.0.) return
izz=1
C
IF(INIT.EQ.0) THEN
DO I=1,4
DO J=I+1,22
CALL STARK0(I,J,IZZ,XK,WL0,FIJ,FIJ0)
WLINE(I,J)=WL0
OSCH(I,J)=FIJ+FIJ0
END DO
END DO
INIT=1
END IF
DO IJ=I0,I1
ABSO(IJ)=0.
EMIS(IJ)=0.
END DO
c
if(ilowh.le.0) return
c
T=TEMP(ID)
T1=UN/T
SQT=SQRT(T)
ANE=ELEC(ID)
ANES=EXP(SIXTH*LOG(ANE))
TL=LOG10(T)
ANEL=LOG10(ANE)
C
C populations of the first 40 levels of hydrogen
C
ANP=POPUL(NKH,ID)
PP=CPP*ANE*ANP*T1/SQT
NLH=N1H-N0HN+1
c if(ifwop(n1h).lt.0) nlh=nlh-1
nlh=nlh-1
DO IL=1,50
X=IL*IL
IF(IL.LE.NLH) PJ(IL)=POPUL(N0HN+IL-1,ID)
IF(IL.GT.NLH) PJ(IL)=PP*EXP(CPJ/X*T1)*X*wnhint(il,id)
END DO
p2=pp*exp(cpj4*t1)*4.*wnhint(2,id)
c
C Frequency- and line-independent parameters for evaluating the
C asymptotic Stark profile
C
F00=C00*ANES*ANES*ANES*ANES
DOP0=1.E8*SQRT(1.65E8*T+VTURB(ID))
C
C -------------------------------------------------------------------
C overall loop over spectral series (only in the infrared region)
C -------------------------------------------------------------------
C
ISERL=ILOWH
ISERU=ILOWH
c
if(wlam(i0).gt.14000.) iseru=4
if(wlam(i0).gt.22700.) iseru=5
if(wlam(i0).gt.32800.) iseru=6
if(wlam(i0).gt.44660.) iseru=7
if(wlam(i0).gt.60000.) iserl=4
c
if(iserl.eq.3.and.iseru.eq.3.and.nunbal.gt.0) iserl=2
DO IJ=I0,I1
ABSO(IJ)=0.
EMIS(IJ)=0.
END DO
C
c ========================
c loop over spectral series
c ========================
c
DO I=ISERL,ISERU
c
c skip the following calculations if one uses the Gomez tables
c
if(ihgom.gt.0.and.elec(id).gt.hglim) then
if(i.ge.1.and.i.le.ihgom) then
call ghydop(id,i0,i1,pj,absoh,emish)
go to 200
end if
end if
c
II=I*I
XII=UN/II
POPI=PJ(I)
IF(I.EQ.1) FRH=3.28805E15
C
C determination of which hydrogen lines contribute in a current
C frequency region
C
M1=M10
IF(I.LT.ILOWH) M1=ILOWH-1
M2=M1+1
M1=M1-1
M2=M20+3
IF(M1.LT.I+1) M1=I+1
if(grav.gt.3.) then
m2=m2+5
m1=m1-3
if(m1.gt.i+6) m1=m1-3
end if
c new!
if(i.ge.3) then
m1=i+1
m2=i+40
end if
if(i.ge.4) m2=i+20
if(i.ge.6) m2=i+10
C
C loop over lines which contribute at given wavelength region
C
m1=min(m1,40)
m2=min(m2,40)
m1=max(m1,i+1)
m2=max(m2,i+2)
DO J=M1,M2
ILINE=0
JJ=J*J
XJJ=UN/JJ
ABTRA=PJ(I)*WNHINT(J,ID)
EMTRA=PJ(J)*WNHINT(I,ID)*II*XJJ*EXP(CPJ*(XII-XJJ)*T1)
if(i.le.2.and.j.le.i+2) then
abtra=pj(i)
emtra=pj(j)*wnhint(i,id)/wnhint(j,id)*
* ii*xjj*exp(cpj*(xii-xjj)*t1)
end if
IF(I.LE.4.AND.J.LE.22) ILINE=ILIN0(I,J)
c
c quasi-molecular opacity for Lyman-alpha and beta satellites
c
lquasi=i.eq.1.and.j.eq.2.and.nunalp.gt.0
lquasi=lquasi.or.i.eq.1.and.j.eq.3.and.nunbet.gt.0
lquasi=lquasi.or.i.eq.1.and.j.eq.4.and.nungam.gt.0
lquasi=lquasi.or.i.eq.2.and.j.eq.3.and.nunbal.gt.0
lalhhe=i.eq.1.and.j.eq.2.and.nunhhe.gt.0
if(lquasi) then
DO IJ=I0,I1
call allard(wlam(ij),popi,anp,sg,i,j)
ABSO(IJ)=ABSO(IJ)+SG*ABTRA
EMIS(IJ)=EMIS(IJ)+SG*EMTRA
END DO
end if
ahe=0.
if(iathe.gt.0) ahe=popul(n0a(iathe),id)
if(lalhhe.and.ahe.gt.0.) then
rel=1./6.2831855
do ij=i0,i1
call lyahhe(wlam(ij),ahe,sg0)
sg=sg0*rel
abso(ij)=abso(ij)+sg*abtra
emis(ij)=emis(ij)+sg*emtra
end do
end if
c
c lines with special Stark broadening tables
c
IF(ILINE.GT.0) THEN
FID=CID*OSCH(I,J)
c
c switch to either original Lemke/Tremblay of Xenomorph
c
if(ilxen(i,j).eq.0.or.anel.lt.xnemin) then
c
c original Lemke/Tremblay
c
NWL=NWLHYD(ILINE)
DO IWL=1,NWL
PRF0(IWL)=PRFHYD(ILINE,ID,IWL)
END DO
DO IJ=I0,I1
AL=ABS(WLAM(IJ)-WLINE(I,J))
IF(AL.LT.1.E-4) AL=1.E-4
IF(ILEMKE.EQ.1) AL=AL/F00
AL=LOG10(AL)
DO 30 IWL=1,NWL-1
IW0=IWL
IF(AL.LE.WLHYD(ILINE,IWL+1)) GO TO 40
30 CONTINUE
40 IW1=IW0+1
PRFF=(PRF0(IW0)*(WLHYD(ILINE,IW1)-AL)+PRF0(IW1)*
* (AL-WLHYD(ILINE,IW0)))/
* (WLHYD(ILINE,IW1)-WLHYD(ILINE,IW0))
SG=EXP(PRFF*AL10)*FID
sg0=EXP(PRFF*AL10)
IF(ILEMKE.EQ.1) SG=SG*WLINE(I,J)**2*CINV/F00
ABSO(IJ)=ABSO(IJ)+SG*ABTRA
EMIS(IJ)=EMIS(IJ)+SG*EMTRA
END DO
c
c XENOMORPH data for selected lines
c
else
ixn=ilxen(i,j)
nwl=nwlxen(ixn)
fr0l=2.997925e18/wline(i,j)
do ij=i0,i1
al=(freq(ij)-fr0l)/f00
if(abs(al).lt.1.e-4) al=1.e-4
all=log10(abs(al))
do 51 iwl=1,nwl-1
iw0=iwl
if(all.le.alxen(ixn,iwl+1)) go to 52
51 continue
52 iw1=iw0+1
if(al.gt.0.) then
prff=(prfb(ixn,id,iw0)*(alxen(ixn,iw1)-all)+
* prfb(ixn,id,iw1)*(all-alxen(ixn,iw0)))/
* (alxen(ixn,iw1)-alxen(ixn,iw0))
else
prff=(prfr(ixn,id,iw0)*(alxen(ixn,iw1)-all)+
* prfr(ixn,id,iw1)*(all-alxen(ixn,iw0)))/
* (alxen(ixn,iw1)-alxen(ixn,iw0))
end if
sg=exp(prff*al10)*fid/f00
ABSO(IJ)=ABSO(IJ)+SG*ABTRA
EMIS(IJ)=EMIS(IJ)+SG*EMTRA
end do
END IF
c
c lines without special Stark broadening tables
c
ELSE
CALL STARK0(I,J,izz,XKIJ,WL0,FIJ,FIJ0)
if((wl0.le.wlam(i1).and.1.25*wl0.gt.wlam(i0)). or.
* (wl0.ge.wlam(i0).and.0.75*wl0.lt.wlam(i1))) then
FXK=F00*XKIJ
FXK1=UN/FXK
DOP=DOP0/WL0
DBETA=WL0*WL0*CINV*FXK1
BETAD=DOP*DBETA
FID=CID*FIJ*DBETA
c FID0=CID1*FIJ0/DOP
CALL DIVSTR(AD,DIV)
fac=two
if(lquasi) fac=un
DO IJ=I0,I1
fr=freq(ij)
BETA=ABS(WLAM(IJ)-WL0)*FXK1
IF(I.LT.5) THEN
SG=STARKA(BETA,AD,DIV,fac)*FID
if(iophli.eq.2.and.i.eq.1.and.j.eq.2)
* sg=sg*feautr(fr,id)
ELSE
SG=STARKIR(II,JJ,T,ANE,BETA)*FID
END IF
ABSO(IJ)=ABSO(IJ)+SG*ABTRA
EMIS(IJ)=EMIS(IJ)+SG*EMTRA
END DO
END IF
END IF
END DO
END DO
C
C far infrared hydrogen lines
C
if(wlam(i1).gt.70000.) then
DO I=8,13
II=I*I
XII=UN/II
DO J=I+1,I+4
JJ=J*J
XJJ=UN/JJ
CALL STARK0(I,J,izz,XKIJ,WL0,FIJ,FIJ0)
if((wl0.le.wlam(i1).and.1.5*wl0.gt.wlam(i0)). or.
* (wl0.ge.wlam(i0).and.0.5*wl0.lt.wlam(i1))) then
FXK=F00*XKIJ
FXK1=UN/FXK
DOP=DOP0/WL0
DBETA=WL0*WL0*CINV*FXK1
BETAD=DOP*DBETA
FID=CID*FIJ*DBETA
CALL DIVSTR(AD,DIV)
fac=two
DO IJ=I0,I1
fr=freq(ij)
BETA=ABS(WLAM(IJ)-WL0)*FXK1
SG=STARKIR(II,JJ,T,ANE,BETA)*FID
ABSO(IJ)=ABSO(IJ)+SG*ABTRA
EMIS(IJ)=EMIS(IJ)+SG*EMTRA
END DO
END IF
END DO
END DO
END IF
200 continue
c
if(wlam(i1).gt.5.e5) then
do ij=i0,i1
fr=freq(ij)
do ilir=1,nlinir
if(wlam(ij).gt.wlir(ilir)*0.95.and.
* wlam(ij).lt.wlir(ilir)*1.05) then
j=irupp(ilir)
JJ=J*J
i=irlow(ilir)
II=I*I
XII=UN/II
XJJ=UN/JJ
ABTRA=PJ(I)*WNHINT(J,ID)
EMTRA=PJ(J)*WNHINT(I,ID)*II*XJJ*EXP(CPJ*(XII-XJJ)*T1)
CALL STARK0(I,J,izz,XKIJ,WL0,FIJ,FIJ0)
FXK=F00*XKIJ
FXK1=UN/FXK
DOP=DOP0/WL0
DBETA=WL0*WL0*CINV*FXK1
BETAD=DOP*DBETA
FID=CID*FIJ*DBETA
CALL DIVSTR(AD,DIV)
fac=two
BETA=ABS(WLAM(IJ)-WL0)*FXK1
SG=STARKA(BETA,AD,DIV,fac)*FID
ABSO(IJ)=ABSO(IJ)+SG*ABTRA
EMIS(IJ)=EMIS(IJ)+SG*EMTRA
end if
end do
end do
end if
C
C ----------------------------
C total opacity and emissivity
C ----------------------------
C
DO IJ=I0,I1
F=FREQ(IJ)
F15=F*1.E-15
XKF=EXP(-4.79928e-11*F*T1)
XKFB=XKF*1.4743E-2*F15*F15*F15
ABSOH(IJ)=ABSO(IJ)-XKF*EMIS(IJ)
EMISH(IJ)=XKFB*EMIS(IJ)
END DO
RETURN
END