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

259 lines
7.5 KiB
Fortran

SUBROUTINE HYDLIW(ID,ABSOH,EMISH)
C =================================
C
C opacity and emissivity of hydrogen lines
C
INCLUDE 'PARAMS.FOR'
INCLUDE 'MODELP.FOR'
INCLUDE 'SYNTHP.FOR'
INCLUDE 'WINCOM.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/lasers/lasdel
common/quasun/nunalp,nunbet,nungam,nunbal
DIMENSION PJ(40),PRF0(54),OSCH(4,22),
* ABSO(MFREQ),EMIS(MFREQ),ABSOH(MFREQ),EMISH(MFREQ)
DATA FRH /3.289017E15/
DATA INIT /0/
C
if(iath.le.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=1,NFREQ
ABSO(IJ)=0.
EMIS(IJ)=0.
ABSOH(IJ)=0.
EMISH(IJ)=0.
END DO
T=TEMP(ID)
T1=UN/T
SQT=SQRT(T)
ANE=ELEC(ID)
ANES=EXP(SIXTH*LOG(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
if(ifwop(n1h).lt.0) nlh=nlh-1
DO 5 IL=1,40
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)
5 CONTINUE
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
DO 300 IJ=1,NFREQ
IF(IHYLW(IJ).LE.0) GO TO 300
ISERL=ILOWHW(IJ)
ISERU=ILOWHW(IJ)
IF(WLAM(IJ).GT.17000..AND.WLAM(IJ).LE.21000.) THEN
ISERL=3
ISERU=4
ELSE IF(WLAM(IJ).GT.22700..AND.WLAM(IJ).LE.29000.) THEN
ISERL=4
ISERU=5
ELSE IF(WLAM(IJ).GT.32800..AND.WLAM(IJ).LE.37000.) THEN
ISERL=5
ISERU=6
ELSE IF(WLAM(IJ).GT.37000..AND.WLAM(IJ).LE.44600.) THEN
ISERL=4
ISERU=6
ELSE IF(WLAM(IJ).GT.44660..AND.WLAM(IJ).LE.58300.) THEN
ISERL=5
ISERU=7
ELSE IF(WLAM(IJ).GT.58300..AND.WLAM(IJ).LE.72000.) THEN
ISERL=6
ISERU=8
ELSE IF(WLAM(IJ).GT.72000..AND.WLAM(IJ).LE.73800.) THEN
ISERL=5
ISERU=8
ELSE IF(WLAM(IJ).GT.73800..AND.WLAM(IJ).LE.77000.) THEN
ISERL=5
ISERU=9
ELSE IF(WLAM(IJ).GT.77000.) THEN
ISERL=6
ISERU=9
END IF
C
if(iserl.eq.3.and.iseru.eq.3.and.nunbal.gt.0) iserl=2
C
ABSO(IJ)=0.
EMIS(IJ)=0.
DO 200 I=ISERL,ISERU
II=I*I
XII=UN/II
PLTEI=PP*EXP(CPJ*T1*XII)*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=M10W(IJ)
IF(I.LT.ILOWHW(IJ)) M1=ILOWHW(IJ)-1
M2=M1+1
IF(M1.LT.I+1) M1=I+1
IF(grav.lt.3..and.M1.LE.16.AND.I.EQ.7) GO TO 10
IF(grav.lt.3..and.M1.LE.14.AND.I.EQ.6) GO TO 10
IF(grav.lt.3..and.M1.LE.12.AND.I.EQ.5) GO TO 10
IF(grav.lt.3..and.M1.LE.10.AND.I.EQ.4) GO TO 10
IF(grav.lt.3..and.M1.LE.8.AND.I.EQ.3) GO TO 10
IF(grav.lt.3..and.M1.LE.6.AND.I.EQ.2) GO TO 10
IF(grav.lt.3..and.M1.LE.4.AND.I.EQ.1) GO TO 10
M1=M1-1
M2=M20W(IJ)+3
IF(M1.LT.I+1) M1=I+1
10 CONTINUE
if(grav.gt.3.) then
m2=m2+5
m1=m1-3
if(m1.gt.i+6) m1=m1-3
end if
if(grav.gt.6.) then
m2=m2+2
m1=m1-1
if(m1.gt.i+6) m1=m1-1
end if
IF(M1.LT.I+1) M1=I+1
c if(m2.gt.30) then
c m2=m20W(IJ)+8
c m1=m1-4
c end if
IF(M2.GT.40) M2=40
c if(id.eq.1) write(6,666) i,m1,m2
c 666 format(/' hydrogen lines contribute - ilow=',i2,', iup from ',i3,
c * ' to',i3/)
C
A=0.
E=0.
C
C loop over lines which contribute at given wavelength region
C
DO 100 J=M1,M2
IF(I.EQ.1.AND.J.LE.5.AND.IOPHLI.LT.0) GO TO 100
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
if(lquasi) then
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)
fr=freq(ij)
BETA=ABS(WLAM(IJ)-WL0)*FXK1
call allard(wlam(ij),popi,anp,sg,i,j)
sg=sg+STARKA(BETA,AD,DIV,UN)*FID
ABSO(IJ)=ABSO(IJ)+SG*ABTRA
EMIS(IJ)=EMIS(IJ)+SG*EMTRA
go to 100
end if
c
c lines with special Stark broadening tables
c
IF(ILINE.GT.0) THEN
NWL=NWLHYD(ILINE)
DO IWL=1,NWL
PRF0(IWL)=PRFHYD(ILINE,ID,IWL)
END DO
FID=CID*OSCH(I,J)
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
IF(ILEMKE.EQ.1) SG=SG*WLINE(I,J)**2*CINV/F00
ABSO(IJ)=ABSO(IJ)+SG*ABTRA
EMIS(IJ)=EMIS(IJ)+SG*EMTRA
c
c lines without special Stark broadening tables
c
ELSE
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)
fr=freq(ij)
BETA=ABS(WLAM(IJ)-WL0)*FXK1
SG=STARKA(BETA,AD,DIV,TWO)*FID
if(iophli.eq.2.and.i.eq.1.and.j.eq.2)
* sg=sg*feautr(fr,id)
ABSO(IJ)=ABSO(IJ)+SG*ABTRA
EMIS(IJ)=EMIS(IJ)+SG*EMTRA
END IF
100 CONTINUE
200 CONTINUE
C
C ----------------------------
C total opacity and emissivity
C ----------------------------
C
F=FREQ(IJ)
F15=F*1.E-15
XKF=EXP(-4.79928e-11*F*T1)
XKFB=XKF*1.4743E-2*F15*F15*F15
if(abso(ij).le.0. .and. lasdel) then
abso(ij)=0.
emis(ij)=0.
endif
ABSOH(IJ)=ABSO(IJ)-XKF*EMIS(IJ)
EMISH(IJ)=XKFB*EMIS(IJ)
300 CONTINUE
RETURN
END