read_draine.pro
7.23 KB
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FUNCTION read_draine,plot_it=plot_it
;+
; NAME:
; read_draine
; CALLING SEQUENCE:
; st=read_draine([/plot_it])
; PURPOSE:
; Reads Draine's optical properties for bulk material and
; spheriacl grains
; INPUTS:
; None
; OPTIONAL INPUT:
; None
; OUTPUTS:
; st with the following structure
; st.gra: Graphite optical properties vs wavelengths
; st.sil: Astronomical Silicates optical properties vs wavelengths
; st.Sil_spheres: Astronomical Silicates spherical grains Qabs,Qsca,g vs wavelengths
; st.Sil_spheres_smth: Same as above, but smoothed in UV vs wavelengths
; st.Gra_spheres: Graphite spherical grains Qabs,Qsca,g vs wavelengths
; st.SiC_spheres: SiC spherical grains Qabs,Qsca,g vs wavelengths
; st.PAH_neutral: Neutral PAH Qabs,Qsca,g vs wavelengths
; st.PAH_ion: Ionized PAH Qabs,Qsca,g vs wavelengths
; PROCEDURE AND SUBROUTINE USED
; read_draine_qabs.pro
; SIDE EFFECTS:
; Requires the DUSTEM_DRAINE_DATA_DIR to be set
; MODIFICATION HISTORY:
; See cvs logs
; Written by JPB Mai-2009
;-
silent=1
;==== Read Graphite dielectric function
one_st={wav_mu:0.,e1_1:0.,e2:0.,Ren_1:0.,Imn:0.}
; ICOMP=18: Draine 2003 graphite E parallel to c
; 0.0100 = grain radius (micron)
; 20.00 = grain temperature (K)
; 386 = number of wavelengths
; wave(um) eps_1-1 eps_2 Re(n)-1 Im(n)
dir=getenv('DUSTEM_DRAINE_DATA_DIR')+'/Gra_diel_func/'
file=dir+'callindex.out_CpaD03_0.01.txt'
readcol,file,wav_mu,e1_1,e2,Ren_1,Imn,silent=silent
Ncol=n_elements(wav_mu)
st=replicate(one_st,Ncol)
st.wav_mu=wav_mu
st.e1_1=e1_1
st.e2=e2
st.Ren_1=Ren_1
st.Imn=Imn
st_gra_CpaD03_0p01=st
dir=getenv('DUSTEM_DRAINE_DATA_DIR')+'/Gra_diel_func/'
file=dir+'callindex.out_CpaD03_0.10.txt'
readcol,file,wav_mu,e1_1,e2,Ren_1,Imn,silent=silent
Ncol=n_elements(wav_mu)
st=replicate(one_st,Ncol)
st.wav_mu=wav_mu
st.e1_1=e1_1
st.e2=e2
st.Ren_1=Ren_1
st.Imn=Imn
st_gra_CpaD03_0p1=st
dir=getenv('DUSTEM_DRAINE_DATA_DIR')+'/Gra_diel_func/'
file=dir+'callindex.out_CpeD03_0.01.txt'
readcol,file,wav_mu,e1_1,e2,Ren_1,Imn,silent=silent
Ncol=n_elements(wav_mu)
st=replicate(one_st,Ncol)
st.wav_mu=wav_mu
st.e1_1=e1_1
st.e2=e2
st.Ren_1=Ren_1
st.Imn=Imn
st_gra_CpeD03_0p01=st
dir=getenv('DUSTEM_DRAINE_DATA_DIR')+'/Gra_diel_func/'
file=dir+'callindex.out_CpeD03_0.10.txt'
readcol,file,wav_mu,e1_1,e2,Ren_1,Imn,silent=silent
Ncol=n_elements(wav_mu)
st=replicate(one_st,Ncol)
st.wav_mu=wav_mu
st.e1_1=e1_1
st.e2=e2
st.Ren_1=Ren_1
st.Imn=Imn
st_gra_CpeD03_0p1=st
st_gra={st_gra_CpaD03_0p01:st_gra_CpaD03_0p01, $ ;C parallel for a=0.01 mic
st_gra_CpaD03_0p1:st_gra_CpaD03_0p1, $ ;C parallel for a=0.1 mic
st_gra_CpeD03_0p01:st_gra_CpeD03_0p01, $ ;C orth for a=0.01 mic
st_gra_CpeD03_0p1:st_gra_CpeD03_0p1} ;C orth for a=0.1 mic
IF keyword_set(plot_it) THEN BEGIN
yr=[1e-6,1e4]
plot,st_gra.ST_GRA_CPAD03_0P01.wav_mu,st_gra.ST_GRA_CPAD03_0P01.e1_1,/xlog,/ylog,yr=yr,/ysty
oplot,st_gra.ST_GRA_CPAD03_0P1.wav_mu,st_gra.ST_GRA_CPAD03_0P1.e1_1,linestyle=2
oplot,st_gra.ST_GRA_CPAD03_0P01.wav_mu,st_gra.ST_GRA_CPAD03_0P01.e2,color=100
oplot,st_gra.ST_GRA_CPAD03_0P1.wav_mu,st_gra.ST_GRA_CPAD03_0P1.e2,color=100,linestyle=2
ENDIF
;stop
;==== Read Astronomical Silicate dielectric function
one_st={wav_mu:0.,e1_1:0.,e2:0.,Ren_1:0.,Imn:0.}
; ICOMP=17: Draine 2003 astrosilicate
; 0.1000 = grain radius (micron)
; 20.00 = grain temperature (K)
; 837 = number of wavelengths
; wave(um) eps_1-1 eps_2 Re(n)-1 Im(n)
dir=getenv('DUSTEM_DRAINE_DATA_DIR')+'/Sil_diel_func/'
file=dir+'callindex.out_silD03.txt'
readcol,file,wav_mu,e1_1,e2,Ren_1,Imn,silent=silent
Ncol=n_elements(wav_mu)
st=replicate(one_st,Ncol)
st.wav_mu=wav_mu
st.e1_1=e1_1
st.e2=e2
st.Ren_1=Ren_1
st.Imn=Imn
st_sil=st
IF keyword_set(plot_it) THEN BEGIN
tit='Astronomical Silicates'
xtit='wav (mic)' & ytit='Re(n)-1, Im(n)'
plot,st_sil.wav_mu,st_sil.Ren_1,/xlog,/ylog,yr=yr,/ysty,tit=tit,xtit=xtit,ytit=ytit
oplot,st_sil.wav_mu,st_sil.Imn,color=100
ENDIF
;==== Read Spherical particles Qabs
;==== Silicates
dir=getenv('DUSTEM_DRAINE_DATA_DIR')+'/Particles/Sil/'
file=dir+'Sil_21'
st=read_draine_qabs(file)
Nsize=n_elements(st.size)
IF keyword_set(plot_it) THEN BEGIN
ytit='Qabs/a' & tit='Silicate Spheres'
FOR i=0L,Nsize-1 DO BEGIN
IF i EQ 0 THEN BEGIN
plot,st(i).wav_mu,st(i).qabs/st(i).size,/xlog,/ylog,yr=yr,tit=tit,xtit=xtit,ytit=ytit
ENDIF ELSE BEGIN
oplot,st(i).wav_mu,st(i).qabs/st(i).size
ENDELSE
ENDFOR
ENDIF
st_part_Si=st
;==== Graphite
;Graphite, 1/3-2/3 approximation, T=25K
dir=getenv('DUSTEM_DRAINE_DATA_DIR')+'/Particles/Gra/'
file=dir+'Gra_21'
st=read_draine_qabs(file)
Nsize=n_elements(st.size)
IF keyword_set(plot_it) THEN BEGIN
ytit='Qabs/a' & tit='Graphite Spheres'
FOR i=0L,Nsize-1 DO BEGIN
IF i EQ 0 THEN BEGIN
plot,st(i).wav_mu,st(i).qabs/st(i).size,/xlog,/ylog,yr=yr,tit=tit,xtit=xtit,ytit=ytit
ENDIF ELSE BEGIN
oplot,st(i).wav_mu,st(i).qabs/st(i).size
ENDELSE
ENDFOR
ENDIF
st_part_Gra=st
;==== SiC
dir=getenv('DUSTEM_DRAINE_DATA_DIR')+'/Particles/SiC/'
file=dir+'SiC_21'
st=read_draine_qabs(file)
Nsize=n_elements(st.size)
IF keyword_set(plot_it) THEN BEGIN
ytit='Qabs/a' & tit='SiC Spheres'
FOR i=0L,Nsize-1 DO BEGIN
IF i EQ 0 THEN BEGIN
plot,st(i).wav_mu,st(i).qabs/st(i).size,/xlog,/ylog,yr=yr,tit=tit,xtit=xtit,ytit=ytit
ENDIF ELSE BEGIN
oplot,st(i).wav_mu,st(i).qabs/st(i).size
ENDELSE
ENDFOR
ENDIF
st_part_SiC=st
;==== Smoothed UV Silicates
dir=getenv('DUSTEM_DRAINE_DATA_DIR')+'/Particles/SmthUV_Sil/'
file=dir+'suvSil_21'
st=read_draine_qabs(file)
Nsize=n_elements(st.size)
IF keyword_set(plot_it) THEN BEGIN
ytit='Qabs/a' & tit='Smoothed UV Silicates Spheres'
FOR i=0L,Nsize-1 DO BEGIN
IF i EQ 0 THEN BEGIN
plot,st(i).wav_mu,st(i).qabs/st(i).size,/xlog,/ylog,yr=yr,tit=tit,xtit=xtit,ytit=ytit
ENDIF ELSE BEGIN
oplot,st(i).wav_mu,st(i).qabs/st(i).size
ENDELSE
ENDFOR
ENDIF
st_part_SmthUV_Sil=st
;==== Neutral PAH
dir=getenv('DUSTEM_DRAINE_DATA_DIR')+'/Particles/PAH/'
file=dir+'PAHneu_30'
st=read_draine_qabs(file)
Nsize=n_elements(st.size)
IF keyword_set(plot_it) THEN BEGIN
ytit='Qabs/a' & tit='Neutral PAH'
FOR i=0L,Nsize-1 DO BEGIN
IF i EQ 0 THEN BEGIN
plot,st(i).wav_mu,st(i).qabs/st(i).size,/xlog,/ylog,yr=yr,tit=tit,xtit=xtit,ytit=ytit
ENDIF ELSE BEGIN
oplot,st(i).wav_mu,st(i).qabs/st(i).size
ENDELSE
ENDFOR
ENDIF
st_part_PAHneu=st
;==== Ionized PAH
dir=getenv('DUSTEM_DRAINE_DATA_DIR')+'/Particles/PAH/'
file=dir+'PAHion_30'
st=read_draine_qabs(file)
Nsize=n_elements(st.size)
IF keyword_set(plot_it) THEN BEGIN
ytit='Qabs/a' & tit='Ionized PAH'
FOR i=0L,Nsize-1 DO BEGIN
IF i EQ 0 THEN BEGIN
plot,st(i).wav_mu,st(i).qabs/st(i).size,/xlog,/ylog,yr=yr,tit=tit,xtit=xtit,ytit=ytit
ENDIF ELSE BEGIN
oplot,st(i).wav_mu,st(i).qabs/st(i).size
ENDELSE
ENDFOR
ENDIF
st_part_PAHion=st
;=== create final structure
st={gra:st_gra, $
sil:st_sil, $
Sil_spheres:st_part_Si, $
Gra_spheres:st_part_Gra, $
SiC_spheres:st_part_SiC, $
Sil_spheres_smth:st_part_SmthUV_Sil, $
PAH_neutral:st_part_PAHneu, $
PAH_ion:st_part_PAHion}
RETURN,st
END