[3787] | 1 | #####################################################################################
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| 2 | #### Commands to run the different programs to produce foreground maps
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| 3 | #### and compute radio-source subtracted P(k)
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| 4 | #####################################################################################
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| 5 |
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| 6 | ### Cube definition in file cubedef.h
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| 7 |
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| 8 | ### Step 1/ Produce an LSS data cube with appropriate size and redshift using SimLSS
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| 9 | # 1.a/ Run SimLSS
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[3789] | 10 | csh> ~/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
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[3825] | 11 | # 1.b/ To run SimLSS with GSM map parameters (DeltaFreq=500 MHz)
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| 12 | csh> ~/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
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| 13 |
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[3984] | 14 | # 1.c/ To run SimLSS with GSM map parametersand 40 (phi/alpha) x 30 (theta/delta) deg maps (DeltaFreq=500 MHz) @ z=0.6
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[3973] | 15 | csh> ~/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
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| 16 |
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[3984] | 17 | # 1.d/ To run SimLSS with GSM map parametersand 90x30 deg maps (DeltaFreq=500 MHz) @ z=1 [ 90deg-> phi/alpha, 30deg -> theta/delta]
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| 18 | csh> ~/Objs/exe/cmvginit3df -a -1 -2 -C -G 0. -F 0 -x 600,2.9 -y 1800,2.9 -z 256,3.5 -Z 1.0 -8 1. -n 10000 -O 0,2 -o lssz100 -T 2
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| 19 |
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[3825] | 20 | # 1.c/ Change the X and Z axis of the cube to adapt it to RadioBeam package convention
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[3787] | 21 | # SimLSS output : the radial (redshift) direction along X axis of the cube (TArray)
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| 22 | # RadioBeam cubes : the radial (redshift) direction along Z axis of the cube (TArray)
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| 23 | # Execucte the following script in spiapp :
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| 24 |
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| 25 | csh> cat > racube.pic
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[3973] | 26 | set f lssz060
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[3787] | 27 | readfits ${f}_r.fits
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| 28 | rename ${f}_r map
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| 29 | print map
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| 30 | c++exec \
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| 31 | TArray<r_4> omap(map.SizeY(),map.SizeZ(),map.SizeX()-2 ); \
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| 32 | for(sa_size_t i=0;i<omap.SizeX();i++) \
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| 33 | for(sa_size_t j=0;j<omap.SizeY();j++) \
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| 34 | for(sa_size_t k=0;k<omap.SizeZ();k++) \
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| 35 | omap(i,j,k)=map(k+1,i,j); \
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| 36 | KeepObj(omap);
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| 37 |
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[3825] | 38 | rename omap lsscube
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| 39 | print lsscube
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| 40 | # expmeansig lsscube val
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[3973] | 41 | saveppf lsscube lsscubez060.ppf
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[3787] | 42 |
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[3789] | 43 | csh> spiapp -term -exec racube.pic
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[3787] | 44 |
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[3973] | 45 | #### Cube LSS 40x30 deg (3') @ z=0.6 ( lsscubez060.ppf )
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| 46 | #### -> Size= 122880000 Mean=-7.01664e-05 Sigma=2.53016 Min=-13.7439 Max=14.4648
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[3825] | 47 |
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[3787] | 48 | ## Step 2/ Produce synchrotron and radio source sky cubes (cube unit is Temparature- Kelvin)
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| 49 | # 2.a/ Synchrotron map from HASLAM 400 MHz map
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[3973] | 50 | csh> ./Objs/syncube syncmap_eq.fits syncube.ppf syncmap.ppf
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[3787] | 51 | # 2.b/ radio source cube from NVSS catalog
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[3973] | 52 | csh> ./Objs/srcat2cube -nvss nvss.fits nvsscube.ppf nvssmap.ppf
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| 53 | # Or from the north20 catalog :
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| 54 | csh> ./Objs/srcat2cube -north20 north20cm.fits north20cube.ppf north20map.ppf
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| 55 |
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[3787] | 56 | # 2.c/ Add the two cubes using the following spiapp script
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| 57 | csh> cat > sumcubes.pic
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| 58 | openppf syncube.ppf
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[3973] | 59 | openppf radsrccube.ppf
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[3789] | 60 | # expmeansig syncube val
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[3973] | 61 | # expmeansig nvsscube val
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| 62 | c++exec TArray<r_4> fgndcube = syncube+radsrccube; KeepObj(fgndcube);
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[3787] | 63 | print fgndcube
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[3789] | 64 | # expmeansig fgndcube val
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[3787] | 65 | saveppf fgndcube fgndcube.ppf
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| 66 |
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| 67 | csh> spiapp -term -exec sumcubes.pic
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| 68 |
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[3973] | 69 | #### syncube:Mean= 1.8101 Sigma= 0.326538 Min= 0.857019 Max= 3.58987
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| 70 | #### nvsscube: Mean= 1.95073 Sigma= 1.68515 Min= 0.857019 Max= 428.398
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| 71 | #### fgndcube=syncube+nvsscube: Mean= 0.140623 Sigma= 1.65068 Min= 0 Max= 426.559
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| 72 | #### north20: fgndcube_north:
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| 73 |
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| 74 | ## Step 2.b/ Produce foreground cube from GSM
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| 75 | csh> ./Objs/gsm2cube ../Catalogs/GSM/ 1 256 fgndcube_gsm.ppf
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| 76 |
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[3796] | 77 | ## Step 3/ Apply lobe (50 meter diameter array) effect on foreground cube and LSS cube
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[3973] | 78 | csh> set ddish=55.
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[3974] | 79 | csh> set ddishcor=55.
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[3973] | 80 | csh> ./Objs/applobe $ddish fgndcube.ppf fgndcube_lobe.ppf
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| 81 | csh> ./Objs/applobe -fib $ddish fgndcube.ppf fgndcube_flobe.ppf
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| 82 | csh> ./Objs/applobe $ddish lsscube.ppf lsscube_lobe.ppf
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| 83 | csh> ./Objs/applobe -fib $ddish lsscube.ppf lsscube_flobe.ppf
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| 84 | ## 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)
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| 85 | csh> ./Objs/applobe $ddish lsscube_lobe.ppf lsscube_corlobe.ppf $ddishcor
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| 86 | csh> ./Objs/applobe $ddish fgndcube_lobe.ppf fgndcube_corlobe.ppf $ddishcor
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[3787] | 87 |
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[3973] | 88 | ## Step 3.c/ Apply lobe (Filled 11x11 5m dishes array) effect on foreground cube and LSS cube
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| 89 | csh> ./Objs/applobe repf11x11.ppf fgndcube.ppf fgndcube_lobe.ppf
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| 90 | csh> ./Objs/applobe repf11x11.ppf lsscube.ppf lsscube_lobe.ppf
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| 91 | ## 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)
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| 92 | csh> ./Objs/applobe repf11x11.ppf lsscube_lobe.ppf lsscube_corlobe.ppf $ddishcor
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| 93 | csh> ./Objs/applobe repf11x11.ppf fgndcube_lobe.ppf fgndcube_corlobe.ppf $ddishcor
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| 94 |
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[3787] | 95 | ### Step 4/ Compute power spectra
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[3973] | 96 | ## 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)
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[3787] | 97 | ## Foreground maps are in temperature
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| 98 | ## Noise fluctuations Sigma^2 ~ T_sys^2 / t_obs * DeltaFreq
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[3973] | 99 | ## Tsys ~ 50 K , DeltaFreq ~ 0.5 MHz , t_obs ~ 1 day ~ 80 000 s.
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| 100 | ## sigma_noise ~ 0.25 mK -> 3 mK
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[3787] | 101 | # 4.a/ LSS power spectrum without noise
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[3973] | 102 | csh> ./Objs/calcpk lsscube.ppf lsspk.ppf 0.13
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[3787] | 103 | # and with noise
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[3973] | 104 | csh> ./Objs/calcpk lsscube.ppf lsspkwn.ppf 0.13 3
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[3787] | 105 | # with the lobe effect
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[3973] | 106 | csh> ./Objs/calcpk lsscube_lobe.ppf lsspklobe.ppf 0.13
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| 107 | csh> ./Objs/calcpk lsscube_flobe.ppf lsspkflobe.ppf 0.13
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| 108 | csh> ./Objs/calcpk lsscube_lobe.ppf lsspklobewn.ppf 0.13 3
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| 109 | csh> ./Objs/calcpk lsscube_corlobe.ppf lsspkcorlobe.ppf 0.13
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[3789] | 110 |
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[3787] | 111 | # 4.b/ Foreground power spectrum
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| 112 | csh> ./Objs/calcpk fgndcube.ppf fgndpk.ppf 1000
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| 113 | csh> ./Objs/calcpk fgndcube_lobe.ppf fgndpklobe.ppf 1000
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[3973] | 114 | csh> ./Objs/calcpk fgndcube_flobe.ppf fgndpkflobe.ppf 1000
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[3789] | 115 | csh> ./Objs/calcpk fgndcube_corlobe.ppf fgndpkcorlobe.ppf 1000
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[3787] | 116 |
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| 117 | # 4.c/ Extract LSS P(k) from Foreground+LSS+noise , after cleaning/subtraction without beam
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[3973] | 118 | csh> set beamdesc=repf11x11.ppf
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[3974] | 119 | csh> set ddishcor=55.
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[3973] | 120 | csh> set noiselev=1.
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| 121 | csh> ./Objs/calcpk2 lsscube.ppf 0.13 fgndcube.ppf 1000 subpk.ppf $noiselev $beamdesc 0. 0. P2
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[3825] | 122 | # 4.d / Extract LSS P(k) from Foreground+LSS+noise and beam effect, without beam correction
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[3973] | 123 | csh> ./Objs/calcpk2 lsscube_lobe.ppf 0.13 fgndcube_lobe.ppf 1000 subpklobe.ppf $noiselev $beamdesc 0. 0. P2
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| 124 | # 4.e / Extract LSS P(k) from Foreground+LSS+noise and beam effect - correcting to a beam of Diam= $ddishcor
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[3974] | 125 | csh> ./Objs/calcpk2 lsscube_lobe.ppf 0.13 fgndcube_lobe.ppf 1000 subpkcorlobe.ppf $noiselev $beamdesc $ddishcor 0. P2 reclsscorlobe.ppf
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[3830] | 126 | # Or using a linear fit for foreground subtraction (old version)
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[3973] | 127 | csh> ./Objs/calcpk2 lsscube_lobe.ppf 0.13 fgndcube_lobe.ppf 1000 subpkcorlobep1.ppf $noiselev $beamdesc $ddishcor 0. P2
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[3829] | 128 | # 4.f / Estimate residual noise from Foreground removal :
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[3973] | 129 | csh> ./Objs/calcpk2 lsscube.ppf 0. fgndcube_lobe.ppf 1000 residcorlobe.ppf $noiselev $beamdesc $ddishcor 0. P2
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| 130 | csh> ./Objs/calcpk2 lsscube.ppf 0. fgndcube_lobe.ppf 1000 residnocor.ppf $noiselev $beamdesc 0. 0. P2
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[3787] | 131 |
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| 132 | ### Step 5 / Check the results using spiapp
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[3825] | 133 | setaxesatt 'font=helvetica,bold,16 fixedfontsize minorticks'
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[3793] | 134 | delobjs *
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| 135 | openppf fgndpk.ppf
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| 136 | openppf fgndpklobe.ppf
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[3973] | 137 | openppf fgndpkflobe.ppf
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[3793] | 138 | openppf fgndpkcorlobe.ppf
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| 139 | openppf lsspk.ppf
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| 140 | openppf lsspklobe.ppf
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[3975] | 141 | openppf lsspkcorlobe.ppf
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| 142 |
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[3973] | 143 | openppf lsspkflobe.ppf
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[3825] | 144 | openppf lsspklobewn.ppf
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[3793] | 145 | openppf subpklobe.ppf
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[3830] | 146 |
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[3825] | 147 | openppf subpkcorlobe.ppf
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| 148 |
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[3974] | 149 | openppf residcorlobe.ppf
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| 150 | openppf residnocor.ppf
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[3830] | 151 | # openppf subpknolssnocor.ppf
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| 152 |
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[3974] | 153 | disp lsspk 'logx logy nsta xylimits=0.01,2.,4e-11,8e-6 gold'
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[3825] | 154 | disp lsspklobe 'same nsta orange'
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| 155 | disp lsspklobewn 'same nsta siennared'
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[3829] | 156 | settitle ' Pk[LSS] - without normalisation' ' ' 'font=helvetica,bold,16 black'
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[3825] | 157 |
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[3829] | 158 |
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[3974] | 159 | disp fgndpk 'logx logy nsta xylimits=0.01,2.,1e-10,1. navyblue'
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[3825] | 160 | disp fgndpklobe 'same nsta blue'
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| 161 | disp fgndpkcorlobe 'same nsta skyblue'
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| 162 | disp lsspk 'same nsta gold'
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[3974] | 163 | disp lsspkflobe 'same nsta yellow'
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| 164 | disp subpkcorlobe 'same nsta red'
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| 165 | disp residcorlobe 'same nsta green'
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| 166 | disp residnocor 'same nsta forestgreen'
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| 167 |
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[3825] | 168 | disp lsspklobewn 'same nsta siennared'
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[3830] | 169 | # settitle 'Pk[LSS] , Pk[Foreground] and lobe effect (Dish D=50 m)' ' ' 'font=helvetica,bold,18'
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| 170 | settitle 'Pk[LSS] , Pk[Foreground=GSM] and lobe effect (Dish D=50 m)' ' ' 'font=helvetica,bold,18'
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| 171 |
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[3825] | 172 | set lines ( 'Pk[Foreground]' 'Pk[fgnd]*Lobe' 'Pk[fgnd]*Lobe/Corrected' 'Pk[LSS]' 'Pk[LSS]*Lobe+Noise' )
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| 173 | set cols ( navyblue blue skyblue gold siennared )
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| 174 | textdrawer lines cols 'font=helvetica,bold,16 frame'
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| 175 |
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[3830] | 176 |
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[3825] | 177 | disp lsspk 'logx logy nsta xylimits=0.005,2.,4e-9,4e-5 gold'
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| 178 | disp lsspklobewn 'same nsta siennared'
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| 179 | disp subpkcorlobe 'same nsta red'
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[3829] | 180 | disp subpknolss 'same nsta green'
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[3825] | 181 |
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[3829] | 182 | # Calcul du volume total en Mpc^3
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[3973] | 183 | set VOL (1.9*1.9*2.8*800*600*256)
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[3974] | 184 | # set VOL (1.9*1.9*2.8*1800*600*256)
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| 185 | plot2d
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| 186 | # plot2d lsspk x val*$VOL 1 'logx logy nsta xylimits=0.01,2.,10.,1e4 cpts marker=box,5 gold'
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[3829] | 187 | plot2d lsspklobewn x val*$VOL 1 'same nsta cpts marker=box,5 siennared'
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| 188 | plot2d subpkcorlobe x val*$VOL 1 'same nsta cpts marker=box,5 red'
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| 189 | plot2d subpklobe x val*$VOL 1 'same nsta cpts marker=box,5 blueviolet'
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| 190 | plot2d subpknolss x val*$VOL 1 'same nsta cpts marker=box,5 green'
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| 191 |
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[3830] | 192 | # settitle 'Recovered Pk[LSS] In=LSS+(GSM) (D=50 m)' ' ' 'font=helvetica,bold,18'
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[3829] | 193 | settitle 'Recovered Pk[LSS] In=LSS+(Haslam+North20cm) (D=50 m)' ' ' 'font=helvetica,bold,18'
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| 194 | setaxelabels 'k (Mpc^-1) h=0.7' 'P(k) (mK^2 Mpc^3)' 'font=helvetica,bolditalic,16'
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| 195 | set lines ( 'Pk[LSS]' 'Pk[LSS*lobe+noise]' 'Pk[ExtractedLSS]' 'Pk[ExtLSS,NoBeamCor]' 'Pk[residual,NoLSS]' )
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| 196 | set cols ( gold siennared red blueviolet green )
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[3825] | 197 | textdrawer lines cols 'font=helvetica,bold,16 frame'
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[3829] | 198 |
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[3974] | 199 | plot2d fgndpk x val*$VOL 1 'logx logy xylimits=0.01,1.,1.,1e10 nsta cpts marker=box,5 black'
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| 200 | plot2d fgndpkflobe x val*$VOL 1 ' nsta cpts marker=circle,5 navyblue same'
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| 201 | plot2d fgndpklobe x val*$VOL 1 ' nsta cpts marker=circle,5 blue same'
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[3829] | 202 |
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[3974] | 203 | plot2d lsspk x val*$VOL 1 ' nsta cpts marker=box,5 red same'
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| 204 | plot2d lsspkflobe x val*$VOL 1 ' nsta cpts marker=circle,5 orange same'
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| 205 | plot2d lsspklobe x val*$VOL 1 ' nsta cpts marker=circle,5 yellow same'
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| 206 |
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[3975] | 207 | c++exec \
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| 208 | Histo lsspkratioA = subpkcorlobe/lsspk; KeepObj(lsspkratioA); \
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| 209 | Histo lsspkratioB = subpkcorlobe/lsspkflobe; KeepObj(lsspkratioB);
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| 210 |
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[3829] | 211 | plot2d lsspk x val*$VOL 1 'logx logy nsta xylimits=0.01,2.,10.,1e4 cpts marker=box,5 gold'
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| 212 | plot2d lsspklobewn x val*$VOL 1 'same nsta cpts marker=box,5 red'
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| 213 | plot2d subpknolss x val*$VOL 1 'same nsta cpts marker=box,5 green'
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| 214 | plot2d subpknolssnocor x val*$VOL 1 'same nsta cpts marker=box,5 magenta'
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| 215 | setaxelabels 'k (Mpc^-1) h=0.7' 'P(k) (mK^2 Mpc^3)' 'font=helvetica,bolditalic,16'
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| 216 | settitle 'Recovered Pk[LSS] and residual systematics' ' ' 'font=helvetica,bold,18'
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| 217 | set lines ( 'Pk[LSS]' 'Pk[LSS*lobe+noise]' 'Pk[residual,NoLSS]' 'Pk[residual,NoLSS,NoBeamCorrection]' )
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| 218 | set cols ( gold red green magenta )
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| 219 | textdrawer lines cols 'font=helvetica,bold,16 frame'
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