/
cos_pg1613ovi.pro
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cos_pg1613ovi.pro
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FUNCTION cos_pg1613OVI, directoryname, gal, zgal, profileshifts, $
profilesig, coveringfactor,opticaldepth
fittedline = 'OVI'
bad = 1d99
gal = gal[0]
ncols = 1
nrows = 1
centcol = 1
centrow = 1
zgal=zgal[0]
comps=N_ELEMENTS(profileshifts)
readcol,directoryname+'/'+gal+'/'+gal+'.txt', wavelength, flux, error, $
FORMAT='D,D,D',/silent
linefitreg=[1149.5,1158.5]
lineplotreg=[1146,1180]
contplotreg=[1136,1180]
contplotind=[VALUE_LOCATE(wavelength,contplotreg[0]),$
VALUE_LOCATE(wavelength,contplotreg[1])]
linefitind=[VALUE_LOCATE(wavelength,linefitreg[0]),$
VALUE_LOCATE(wavelength,linefitreg[1])]
lineplotind=[VALUE_LOCATE(wavelength,lineplotreg[0]),$
VALUE_LOCATE(wavelength,lineplotreg[1])]
goodind = [[1136,1141.5],[1145.5,1150],[1153.5,1156.5],[1158.5,1180]]
for i=0,n_elements(goodind[0,*])-1 do begin
newind=INDGEN(VALUE_LOCATE(wavelength,goodind[1,i])-$
VALUE_LOCATE(wavelength,goodind[0,i]),$
START=VALUE_LOCATE(wavelength,goodind[0,i]))
if i eq 0 then indextoplot = newind else indextoplot = [indextoplot,newind]
endfor
weight=1d/error^2
contfitreg=[[1136,1146],[1146,1162],[1162,1180]]
fitfcn=['ifsf_fitpoly','ifsf_fitpoly','ifsf_fitspline']
fitargs=HASH()
fitargs['reg1'] = {fitord:3}
fitargs['reg2'] = {fitord:3}
fitargs['reg3'] = {argsbkpts:{everyn:50}}
set_plot,'z'
cgplot, wavelength, flux, XRAN=contplotreg, $
YRAN=[-.3*MAX(flux[contplotind[0]:contplotind[1]]),$
1.5*MAX(flux[contplotind[0]:contplotind[1]])],$
XSTYLE=1,YSTYLE=1,backg='Black',axiscolor='White',color='White',$
xtit='Wavelength ($\Angstrom$)',$
ytit='Flux (ergs s$\up-1$ cm$\up-2$ $\Angstrom$$\up-1$)'
continuum=ifsf_fitmulticont(wavelength, flux, weight, ignored, ignored, $
indextoplot,0,fitreg=contfitreg,$
fitfcn=fitfcn, fitargs=fitargs)
cgoplot, wavelength, continuum, color='Red',thick=4
img = cgsnapshot(filename=directoryname+'/'+gal+'/'+'/'+gal+fittedline+$
'_continuum',/jpeg,/nodialog,quality=100)
relativeflux=flux/continuum
relativeerror=error/continuum
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; Parameters for doublet fit
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
ndoubletabs = dblarr(ncols,nrows)+comps
doubletabs_zinit = dblarr(ncols,nrows,comps) + zgal
FOR I = 0, comps-1 DO doubletabs_zinit[*,*,I] += profileshifts[I]/1037.6167d
doubletabs_siginit = dblarr(ncols,nrows,comps)
FOR I = 0, N_ELEMENTS(profilesig)-1 DO $
doubletabs_siginit[*,*,I] += profilesig[I]
doubletabs_siglim = [1d,1000d]
doubletabs_fix = bytarr(ncols,nrows,comps,4)
doubletabs_cfinit = coveringfactor
doubletabs_tauinit = opticaldepth
init = {$
;
plotindex:lineplotind,$
fitindex:linefitind,$
fcnfitdoublet: 'ifsf_doubletfcn',$
fcninitpar: 'ifsf_initdoublet',$
argslinelist: {vacuum:1b},$
;
maxncomp: comps,$
;
ndoubletabs: ndoubletabs,$
doubletabs_cfinit: doubletabs_cfinit,$
doubletabs_tauinit: doubletabs_tauinit,$
doubletabs_zinit: doubletabs_zinit,$
doubletabs_siginit: doubletabs_siginit,$
doubletabs_siglim: doubletabs_siglim,$
doubletabs_fix: doubletabs_fix,$
;
ndoubletem: 0,$
cfcorr: 0b,$
;
galaxy: gal, $
zsys_gas: zgal,$
outdir: directoryname+'/'+gal+'/',$
wavelength: wavelength, $
relativeflux: relativeflux, $
error: relativeerror, $
continuum: continuum, $
flux: flux $
}
return,init
END