/
cos_pg1351ly.pro
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cos_pg1351ly.pro
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pro cos_pg1351ly
directoryname = '/Users/drupke/Box Sync/cosquest/fits/'
gal = 'pg1351'
zsys = 0.0882
readcol,directoryname+gal+'/'+gal+'.txt', wavelength, flux, error, $
FORMAT='D,D,D',/silent
; Lyalpha
; spline/poly fits
; fittedline = 'Lyalpha'
; contplotreg=[1290,1325]
; contplotind=[VALUE_LOCATE(wavelength,contplotreg[0]),$
; VALUE_LOCATE(wavelength,contplotreg[1])]
; goodind = [[1290,1300],[1302.7,1303.3],[1305.5,1307],[1311,1312.5],$
; [1320.5,1323]]
; 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 indextofit = newind $
; else indextofit = [indextofit,newind]
; endfor
; weight=1d/error^2
; contfitreg=[[1290,1312.5],[1311,1322],[1322,1323]]
; fitfcn=['ifsf_fitspline','ifsf_fitpoly','ifsf_fitpoly']
; fitargs=HASH()
; fitargs['reg1'] = {argsbkpts:{everyn:150}}
; fitargs['reg2'] = {fitord:1}
; fitargs['reg3'] = {}
; template fit
fittedline = 'Lyalpha'
contplotreg=[1250,1360]
contplotind=[VALUE_LOCATE(wavelength,contplotreg[0]),$
VALUE_LOCATE(wavelength,contplotreg[1])]
goodind = [[1285,1300],[1305.5,1307],[1311,1312.5],$
[1320.5,1323]] ;,[1370,1400]]
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 indextofit = newind $
else indextofit = [indextofit,newind]
endfor
weight=dblarr(n_elements(error))
tolerance = 1d-80
ibd = where(error^2d LT tolerance)
igd = where(error^2d GE tolerance)
weight[ibd] = 0.0d0
weight[igd] = 1d/error[igd]^2d
contfitreg=[[1262,1360]]
fitfcn=['ifsf_fittemplate']
fitargs=HASH()
parinfo = replicate({value:0d,fixed:0b},4)
parinfo[0].value = 1d-14
fitargs['reg1'] = {templatefcn: 'cos_quasarcomposite',$
parinfo:parinfo, npar:4}
templatefile = '/Users/drupke/Box Sync/cosquest/spectra/template/'+$
'harris15_composite.fits'
fxbopen,tlun,templatefile,1
fxbread,tlun,twave,1
fxbread,tlun,tflux,2
fxbclose,tlun
twave *= 1d + zsys
itflux = double(ifsf_interptemp(wavelength,twave,tflux))
itflux /= median(itflux)
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, $
ifsf_fitmulticont(wavelength, flux, weight, wavelength,itflux, $
indextofit,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)
nct = contplotind[1]-contplotind[0]+1
nflux = dblarr(nct)
nerr = dblarr(nct)
openw,outlun,directoryname+gal+'/'+gal+fittedline+'_contfit.txt',/get_lun
for i=0,nct-1 do $
printf,outlun,wavelength[contplotind[0]+i],flux[contplotind[0]+i],$
error[contplotind[0]+i],$
flux[contplotind[0]+i]/continuum[contplotind[0]+i],$
error[contplotind[0]+i]/continuum[contplotind[0]+i],$
format='(D12.4,E12.4,E12.4,D8.4,D8.4)'
free_lun,outlun
END