source: Sophya/trunk/Cosmo/RadioBeam/subtractradsrc.cmd@ 3973

Last change on this file since 3973 was 3973, checked in by ansari, 14 years ago

Corrections diverses: choix lobe gaussien/triangle et specif DishDiameter au lieu de DoL ds applobe/calcpk2, possibilite application lobe freq.independante ds applobe, Reza 18/04/2011

File size: 9.1 KB
Line 
1#####################################################################################
2#### Commands to run the different programs to produce foreground maps
3#### and compute radio-source subtracted P(k)
4#####################################################################################
5
6### Cube definition in file cubedef.h
7
8### Step 1/ Produce an LSS data cube with appropriate size and redshift using SimLSS
9# 1.a/ Run SimLSS
10csh> ~/Objs/exe/cmvginit3df -a -1 -2 -C -G 0. -F 0 -x 360,3 -y 360,3 -z 256,1.5 -Z 0.56 -8 1. -n 10000 -O 0,2 -o lssz056 -T 2
11# 1.b/ To run SimLSS with GSM map parameters (DeltaFreq=500 MHz)
12csh> ~/Objs/exe/cmvginit3df -a -1 -2 -C -G 0. -F 0 -x 360,3 -y 360,3 -z 256,3 -Z 0.60 -8 1. -n 10000 -O 0,2 -o lssz060 -T 2
13
14# 1.c/ To run SimLSS with GSM map parametersand 40x40 deg maps (DeltaFreq=500 MHz)
15csh> ~/Objs/exe/cmvginit3df -a -1 -2 -C -G 0. -F 0 -x 600,1.9 -y 800,1.9 -z 256,2.8 -Z 0.60 -8 1. -n 10000 -O 0,2 -o lssz060 -T 2
16
17# 1.c/ Change the X and Z axis of the cube to adapt it to RadioBeam package convention
18# SimLSS output : the radial (redshift) direction along X axis of the cube (TArray)
19# RadioBeam cubes : the radial (redshift) direction along Z axis of the cube (TArray)
20# Execucte the following script in spiapp :
21
22csh> cat > racube.pic
23set f lssz060
24readfits ${f}_r.fits
25rename ${f}_r map
26print map
27c++exec \
28 TArray<r_4> omap(map.SizeY(),map.SizeZ(),map.SizeX()-2 ); \
29 for(sa_size_t i=0;i<omap.SizeX();i++) \
30 for(sa_size_t j=0;j<omap.SizeY();j++) \
31 for(sa_size_t k=0;k<omap.SizeZ();k++) \
32 omap(i,j,k)=map(k+1,i,j); \
33 KeepObj(omap);
34
35rename omap lsscube
36print lsscube
37# expmeansig lsscube val
38saveppf lsscube lsscubez060.ppf
39
40csh> spiapp -term -exec racube.pic
41
42#### Cube LSS 40x30 deg (3') @ z=0.6 ( lsscubez060.ppf )
43#### -> Size= 122880000 Mean=-7.01664e-05 Sigma=2.53016 Min=-13.7439 Max=14.4648
44
45## Step 2/ Produce synchrotron and radio source sky cubes (cube unit is Temparature- Kelvin)
46# 2.a/ Synchrotron map from HASLAM 400 MHz map
47csh> ./Objs/syncube syncmap_eq.fits syncube.ppf syncmap.ppf
48# 2.b/ radio source cube from NVSS catalog
49csh> ./Objs/srcat2cube -nvss nvss.fits nvsscube.ppf nvssmap.ppf
50# Or from the north20 catalog :
51csh> ./Objs/srcat2cube -north20 north20cm.fits north20cube.ppf north20map.ppf
52
53# 2.c/ Add the two cubes using the following spiapp script
54csh> cat > sumcubes.pic
55openppf syncube.ppf
56openppf radsrccube.ppf
57# expmeansig syncube val
58# expmeansig nvsscube val
59c++exec TArray<r_4> fgndcube = syncube+radsrccube; KeepObj(fgndcube);
60print fgndcube
61# expmeansig fgndcube val
62saveppf fgndcube fgndcube.ppf
63
64csh> spiapp -term -exec sumcubes.pic
65
66#### syncube:Mean= 1.8101 Sigma= 0.326538 Min= 0.857019 Max= 3.58987
67#### nvsscube: Mean= 1.95073 Sigma= 1.68515 Min= 0.857019 Max= 428.398
68#### fgndcube=syncube+nvsscube: Mean= 0.140623 Sigma= 1.65068 Min= 0 Max= 426.559
69#### north20: fgndcube_north:
70
71## Step 2.b/ Produce foreground cube from GSM
72csh> ./Objs/gsm2cube ../Catalogs/GSM/ 1 256 fgndcube_gsm.ppf
73
74## Step 3/ Apply lobe (50 meter diameter array) effect on foreground cube and LSS cube
75csh> set ddish=55.
76csh> set ddishcor=50.
77csh> ./Objs/applobe $ddish fgndcube.ppf fgndcube_lobe.ppf
78csh> ./Objs/applobe -fib $ddish fgndcube.ppf fgndcube_flobe.ppf
79csh> ./Objs/applobe $ddish lsscube.ppf lsscube_lobe.ppf
80csh> ./Objs/applobe -fib $ddish lsscube.ppf lsscube_flobe.ppf
81## Step 3.b/ Correct for the lobe effect by bringing all to the beam of Diam/Lambda = 150 (55 m @ z=0.7 - 820 MHz)
82csh> ./Objs/applobe $ddish lsscube_lobe.ppf lsscube_corlobe.ppf $ddishcor
83csh> ./Objs/applobe $ddish fgndcube_lobe.ppf fgndcube_corlobe.ppf $ddishcor
84
85## Step 3.c/ Apply lobe (Filled 11x11 5m dishes array) effect on foreground cube and LSS cube
86csh> ./Objs/applobe repf11x11.ppf fgndcube.ppf fgndcube_lobe.ppf
87csh> ./Objs/applobe repf11x11.ppf lsscube.ppf lsscube_lobe.ppf
88## Step 3.d/ Correct for the lobe effect by bringing all to the beam of Diam/Lambda = 150 (55 m @ z=0.7 - 820 MHz)
89csh> ./Objs/applobe repf11x11.ppf lsscube_lobe.ppf lsscube_corlobe.ppf $ddishcor
90csh> ./Objs/applobe repf11x11.ppf fgndcube_lobe.ppf fgndcube_corlobe.ppf $ddishcor
91
92### Step 4/ Compute power spectra
93## mass to temperature converion factor CT21 ~= 0.21 mK for gHI=2% , 0.11 for gHI=1% , 0.13 for gHI=0.008x(1+0.6)
94## Foreground maps are in temperature
95## Noise fluctuations Sigma^2 ~ T_sys^2 / t_obs * DeltaFreq
96## Tsys ~ 50 K , DeltaFreq ~ 0.5 MHz , t_obs ~ 1 day ~ 80 000 s.
97## sigma_noise ~ 0.25 mK -> 3 mK
98# 4.a/ LSS power spectrum without noise
99csh> ./Objs/calcpk lsscube.ppf lsspk.ppf 0.13
100# and with noise
101csh> ./Objs/calcpk lsscube.ppf lsspkwn.ppf 0.13 3
102# with the lobe effect
103csh> ./Objs/calcpk lsscube_lobe.ppf lsspklobe.ppf 0.13
104csh> ./Objs/calcpk lsscube_flobe.ppf lsspkflobe.ppf 0.13
105csh> ./Objs/calcpk lsscube_lobe.ppf lsspklobewn.ppf 0.13 3
106csh> ./Objs/calcpk lsscube_corlobe.ppf lsspkcorlobe.ppf 0.13
107
108# 4.b/ Foreground power spectrum
109csh> ./Objs/calcpk fgndcube.ppf fgndpk.ppf 1000
110csh> ./Objs/calcpk fgndcube_lobe.ppf fgndpklobe.ppf 1000
111csh> ./Objs/calcpk fgndcube_flobe.ppf fgndpkflobe.ppf 1000
112csh> ./Objs/calcpk fgndcube_corlobe.ppf fgndpkcorlobe.ppf 1000
113
114# 4.c/ Extract LSS P(k) from Foreground+LSS+noise , after cleaning/subtraction without beam
115csh> set beamdesc=repf11x11.ppf
116csh> set ddishcor=50.
117csh> set noiselev=1.
118csh> ./Objs/calcpk2 lsscube.ppf 0.13 fgndcube.ppf 1000 subpk.ppf $noiselev $beamdesc 0. 0. P2
119# 4.d / Extract LSS P(k) from Foreground+LSS+noise and beam effect, without beam correction
120csh> ./Objs/calcpk2 lsscube_lobe.ppf 0.13 fgndcube_lobe.ppf 1000 subpklobe.ppf $noiselev $beamdesc 0. 0. P2
121# 4.e / Extract LSS P(k) from Foreground+LSS+noise and beam effect - correcting to a beam of Diam= $ddishcor
122csh> ./Objs/calcpk2 lsscube_lobe.ppf 0.13 fgndcube_lobe.ppf 1000 subpkcorlobe.ppf $noiselev $beamdesc $ddishcor 0. P2
123# Or using a linear fit for foreground subtraction (old version)
124csh> ./Objs/calcpk2 lsscube_lobe.ppf 0.13 fgndcube_lobe.ppf 1000 subpkcorlobep1.ppf $noiselev $beamdesc $ddishcor 0. P2
125# 4.f / Estimate residual noise from Foreground removal :
126csh> ./Objs/calcpk2 lsscube.ppf 0. fgndcube_lobe.ppf 1000 residcorlobe.ppf $noiselev $beamdesc $ddishcor 0. P2
127csh> ./Objs/calcpk2 lsscube.ppf 0. fgndcube_lobe.ppf 1000 residnocor.ppf $noiselev $beamdesc 0. 0. P2
128
129### Step 5 / Check the results using spiapp
130setaxesatt 'font=helvetica,bold,16 fixedfontsize minorticks'
131delobjs *
132openppf fgndpk.ppf
133openppf fgndpklobe.ppf
134openppf fgndpkflobe.ppf
135openppf fgndpkcorlobe.ppf
136openppf lsspk.ppf
137openppf lsspklobe.ppf
138openppf lsspkflobe.ppf
139openppf lsspklobewn.ppf
140openppf subpklobe.ppf
141
142openppf subpkcorlobe.ppf
143openppf subpknolss.ppf
144
145# openppf subpknolssnocor.ppf
146
147disp lsspk 'logx logy nsta xylimits=0.005,2.,4e-11,8e-6 gold'
148disp lsspklobe 'same nsta orange'
149disp lsspklobewn 'same nsta siennared'
150settitle ' Pk[LSS] - without normalisation' ' ' 'font=helvetica,bold,16 black'
151
152
153disp fgndpk 'logx logy nsta xylimits=0.005,2.,1e-10,1. navyblue'
154disp fgndpklobe 'same nsta blue'
155disp fgndpkcorlobe 'same nsta skyblue'
156disp lsspk 'same nsta gold'
157disp lsspklobewn 'same nsta siennared'
158# settitle 'Pk[LSS] , Pk[Foreground] and lobe effect (Dish D=50 m)' ' ' 'font=helvetica,bold,18'
159settitle 'Pk[LSS] , Pk[Foreground=GSM] and lobe effect (Dish D=50 m)' ' ' 'font=helvetica,bold,18'
160
161set lines ( 'Pk[Foreground]' 'Pk[fgnd]*Lobe' 'Pk[fgnd]*Lobe/Corrected' 'Pk[LSS]' 'Pk[LSS]*Lobe+Noise' )
162set cols ( navyblue blue skyblue gold siennared )
163textdrawer lines cols 'font=helvetica,bold,16 frame'
164
165
166disp lsspk 'logx logy nsta xylimits=0.005,2.,4e-9,4e-5 gold'
167disp lsspklobewn 'same nsta siennared'
168disp subpkcorlobe 'same nsta red'
169disp subpknolss 'same nsta green'
170
171# Calcul du volume total en Mpc^3
172set VOL (1.9*1.9*2.8*800*600*256)
173plot2d lsspk x val*$VOL 1 'logx logy nsta xylimits=0.01,2.,10.,1e4 cpts marker=box,5 gold'
174plot2d lsspklobewn x val*$VOL 1 'same nsta cpts marker=box,5 siennared'
175plot2d subpkcorlobe x val*$VOL 1 'same nsta cpts marker=box,5 red'
176plot2d subpklobe x val*$VOL 1 'same nsta cpts marker=box,5 blueviolet'
177plot2d subpknolss x val*$VOL 1 'same nsta cpts marker=box,5 green'
178
179# settitle 'Recovered Pk[LSS] In=LSS+(GSM) (D=50 m)' ' ' 'font=helvetica,bold,18'
180settitle 'Recovered Pk[LSS] In=LSS+(Haslam+North20cm) (D=50 m)' ' ' 'font=helvetica,bold,18'
181setaxelabels 'k (Mpc^-1) h=0.7' 'P(k) (mK^2 Mpc^3)' 'font=helvetica,bolditalic,16'
182set lines ( 'Pk[LSS]' 'Pk[LSS*lobe+noise]' 'Pk[ExtractedLSS]' 'Pk[ExtLSS,NoBeamCor]' 'Pk[residual,NoLSS]' )
183set cols ( gold siennared red blueviolet green )
184textdrawer lines cols 'font=helvetica,bold,16 frame'
185
186
187plot2d lsspk x val*$VOL 1 'logx logy nsta xylimits=0.01,2.,10.,1e4 cpts marker=box,5 gold'
188plot2d lsspklobewn x val*$VOL 1 'same nsta cpts marker=box,5 red'
189plot2d subpknolss x val*$VOL 1 'same nsta cpts marker=box,5 green'
190plot2d subpknolssnocor x val*$VOL 1 'same nsta cpts marker=box,5 magenta'
191setaxelabels 'k (Mpc^-1) h=0.7' 'P(k) (mK^2 Mpc^3)' 'font=helvetica,bolditalic,16'
192settitle 'Recovered Pk[LSS] and residual systematics' ' ' 'font=helvetica,bold,18'
193set lines ( 'Pk[LSS]' 'Pk[LSS*lobe+noise]' 'Pk[residual,NoLSS]' 'Pk[residual,NoLSS,NoBeamCorrection]' )
194set cols ( gold red green magenta )
195textdrawer lines cols 'font=helvetica,bold,16 frame'
Note: See TracBrowser for help on using the repository browser.