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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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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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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14 | # 1.c/ To run SimLSS with GSM map parametersand 40x40 deg maps (DeltaFreq=500 MHz)
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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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17 | # 1.c/ Change the X and Z axis of the cube to adapt it to RadioBeam package convention
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18 | # SimLSS output : the radial (redshift) direction along X axis of the cube (TArray)
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19 | # RadioBeam cubes : the radial (redshift) direction along Z axis of the cube (TArray)
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20 | # Execucte the following script in spiapp :
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21 |
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22 | csh> cat > racube.pic
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23 | set f lssz060
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24 | readfits ${f}_r.fits
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25 | rename ${f}_r map
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26 | print map
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27 | c++exec \
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28 | TArray<r_4> omap(map.SizeY(),map.SizeZ(),map.SizeX()-2 ); \
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29 | for(sa_size_t i=0;i<omap.SizeX();i++) \
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30 | for(sa_size_t j=0;j<omap.SizeY();j++) \
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31 | for(sa_size_t k=0;k<omap.SizeZ();k++) \
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32 | omap(i,j,k)=map(k+1,i,j); \
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33 | KeepObj(omap);
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34 |
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35 | rename omap lsscube
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36 | print lsscube
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37 | # expmeansig lsscube val
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38 | saveppf lsscube lsscubez060.ppf
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39 |
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40 | csh> spiapp -term -exec racube.pic
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41 |
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42 | #### Cube LSS 40x30 deg (3') @ z=0.6 ( lsscubez060.ppf )
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43 | #### -> Size= 122880000 Mean=-7.01664e-05 Sigma=2.53016 Min=-13.7439 Max=14.4648
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44 |
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45 | ## Step 2/ Produce synchrotron and radio source sky cubes (cube unit is Temparature- Kelvin)
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46 | # 2.a/ Synchrotron map from HASLAM 400 MHz map
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47 | csh> ./Objs/syncube syncmap_eq.fits syncube.ppf syncmap.ppf
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48 | # 2.b/ radio source cube from NVSS catalog
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49 | csh> ./Objs/srcat2cube -nvss nvss.fits nvsscube.ppf nvssmap.ppf
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50 | # Or from the north20 catalog :
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51 | csh> ./Objs/srcat2cube -north20 north20cm.fits north20cube.ppf north20map.ppf
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52 |
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53 | # 2.c/ Add the two cubes using the following spiapp script
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54 | csh> cat > sumcubes.pic
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55 | openppf syncube.ppf
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56 | openppf radsrccube.ppf
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57 | # expmeansig syncube val
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58 | # expmeansig nvsscube val
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59 | c++exec TArray<r_4> fgndcube = syncube+radsrccube; KeepObj(fgndcube);
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60 | print fgndcube
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61 | # expmeansig fgndcube val
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62 | saveppf fgndcube fgndcube.ppf
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63 |
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64 | csh> spiapp -term -exec sumcubes.pic
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65 |
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66 | #### syncube:Mean= 1.8101 Sigma= 0.326538 Min= 0.857019 Max= 3.58987
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67 | #### nvsscube: Mean= 1.95073 Sigma= 1.68515 Min= 0.857019 Max= 428.398
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68 | #### fgndcube=syncube+nvsscube: Mean= 0.140623 Sigma= 1.65068 Min= 0 Max= 426.559
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69 | #### north20: fgndcube_north:
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70 |
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71 | ## Step 2.b/ Produce foreground cube from GSM
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72 | csh> ./Objs/gsm2cube ../Catalogs/GSM/ 1 256 fgndcube_gsm.ppf
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73 |
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74 | ## Step 3/ Apply lobe (50 meter diameter array) effect on foreground cube and LSS cube
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75 | csh> set ddish=55.
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76 | csh> set ddishcor=55.
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77 | csh> ./Objs/applobe $ddish fgndcube.ppf fgndcube_lobe.ppf
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78 | csh> ./Objs/applobe -fib $ddish fgndcube.ppf fgndcube_flobe.ppf
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79 | csh> ./Objs/applobe $ddish lsscube.ppf lsscube_lobe.ppf
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80 | csh> ./Objs/applobe -fib $ddish lsscube.ppf lsscube_flobe.ppf
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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)
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82 | csh> ./Objs/applobe $ddish lsscube_lobe.ppf lsscube_corlobe.ppf $ddishcor
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83 | csh> ./Objs/applobe $ddish fgndcube_lobe.ppf fgndcube_corlobe.ppf $ddishcor
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84 |
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85 | ## Step 3.c/ Apply lobe (Filled 11x11 5m dishes array) effect on foreground cube and LSS cube
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86 | csh> ./Objs/applobe repf11x11.ppf fgndcube.ppf fgndcube_lobe.ppf
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87 | csh> ./Objs/applobe repf11x11.ppf lsscube.ppf lsscube_lobe.ppf
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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)
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89 | csh> ./Objs/applobe repf11x11.ppf lsscube_lobe.ppf lsscube_corlobe.ppf $ddishcor
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90 | csh> ./Objs/applobe repf11x11.ppf fgndcube_lobe.ppf fgndcube_corlobe.ppf $ddishcor
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91 |
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92 | ### Step 4/ Compute power spectra
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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)
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94 | ## Foreground maps are in temperature
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95 | ## Noise fluctuations Sigma^2 ~ T_sys^2 / t_obs * DeltaFreq
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96 | ## Tsys ~ 50 K , DeltaFreq ~ 0.5 MHz , t_obs ~ 1 day ~ 80 000 s.
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97 | ## sigma_noise ~ 0.25 mK -> 3 mK
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98 | # 4.a/ LSS power spectrum without noise
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99 | csh> ./Objs/calcpk lsscube.ppf lsspk.ppf 0.13
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100 | # and with noise
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101 | csh> ./Objs/calcpk lsscube.ppf lsspkwn.ppf 0.13 3
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102 | # with the lobe effect
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103 | csh> ./Objs/calcpk lsscube_lobe.ppf lsspklobe.ppf 0.13
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104 | csh> ./Objs/calcpk lsscube_flobe.ppf lsspkflobe.ppf 0.13
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105 | csh> ./Objs/calcpk lsscube_lobe.ppf lsspklobewn.ppf 0.13 3
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106 | csh> ./Objs/calcpk lsscube_corlobe.ppf lsspkcorlobe.ppf 0.13
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107 |
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108 | # 4.b/ Foreground power spectrum
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109 | csh> ./Objs/calcpk fgndcube.ppf fgndpk.ppf 1000
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110 | csh> ./Objs/calcpk fgndcube_lobe.ppf fgndpklobe.ppf 1000
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111 | csh> ./Objs/calcpk fgndcube_flobe.ppf fgndpkflobe.ppf 1000
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112 | csh> ./Objs/calcpk fgndcube_corlobe.ppf fgndpkcorlobe.ppf 1000
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113 |
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114 | # 4.c/ Extract LSS P(k) from Foreground+LSS+noise , after cleaning/subtraction without beam
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115 | csh> set beamdesc=repf11x11.ppf
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116 | csh> set ddishcor=55.
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117 | csh> set noiselev=1.
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118 | csh> ./Objs/calcpk2 lsscube.ppf 0.13 fgndcube.ppf 1000 subpk.ppf $noiselev $beamdesc 0. 0. P2
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119 | # 4.d / Extract LSS P(k) from Foreground+LSS+noise and beam effect, without beam correction
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120 | csh> ./Objs/calcpk2 lsscube_lobe.ppf 0.13 fgndcube_lobe.ppf 1000 subpklobe.ppf $noiselev $beamdesc 0. 0. P2
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121 | # 4.e / Extract LSS P(k) from Foreground+LSS+noise and beam effect - correcting to a beam of Diam= $ddishcor
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122 | 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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123 | # Or using a linear fit for foreground subtraction (old version)
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124 | csh> ./Objs/calcpk2 lsscube_lobe.ppf 0.13 fgndcube_lobe.ppf 1000 subpkcorlobep1.ppf $noiselev $beamdesc $ddishcor 0. P2
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125 | # 4.f / Estimate residual noise from Foreground removal :
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126 | csh> ./Objs/calcpk2 lsscube.ppf 0. fgndcube_lobe.ppf 1000 residcorlobe.ppf $noiselev $beamdesc $ddishcor 0. P2
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127 | csh> ./Objs/calcpk2 lsscube.ppf 0. fgndcube_lobe.ppf 1000 residnocor.ppf $noiselev $beamdesc 0. 0. P2
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128 |
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129 | ### Step 5 / Check the results using spiapp
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130 | setaxesatt 'font=helvetica,bold,16 fixedfontsize minorticks'
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131 | delobjs *
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132 | openppf fgndpk.ppf
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133 | openppf fgndpklobe.ppf
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134 | openppf fgndpkflobe.ppf
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135 | openppf fgndpkcorlobe.ppf
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136 | openppf lsspk.ppf
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137 | openppf lsspklobe.ppf
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138 | openppf lsspkcorlobe.ppf
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139 |
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140 | openppf lsspkflobe.ppf
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141 | openppf lsspklobewn.ppf
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142 | openppf subpklobe.ppf
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143 |
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144 | openppf subpkcorlobe.ppf
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145 |
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146 | openppf residcorlobe.ppf
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147 | openppf residnocor.ppf
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148 | # openppf subpknolssnocor.ppf
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149 |
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150 | disp lsspk 'logx logy nsta xylimits=0.01,2.,4e-11,8e-6 gold'
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151 | disp lsspklobe 'same nsta orange'
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152 | disp lsspklobewn 'same nsta siennared'
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153 | settitle ' Pk[LSS] - without normalisation' ' ' 'font=helvetica,bold,16 black'
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154 |
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155 |
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156 | disp fgndpk 'logx logy nsta xylimits=0.01,2.,1e-10,1. navyblue'
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157 | disp fgndpklobe 'same nsta blue'
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158 | disp fgndpkcorlobe 'same nsta skyblue'
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159 | disp lsspk 'same nsta gold'
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160 | disp lsspkflobe 'same nsta yellow'
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161 | disp subpkcorlobe 'same nsta red'
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162 | disp residcorlobe 'same nsta green'
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163 | disp residnocor 'same nsta forestgreen'
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164 |
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165 | disp lsspklobewn 'same nsta siennared'
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166 | # settitle 'Pk[LSS] , Pk[Foreground] and lobe effect (Dish D=50 m)' ' ' 'font=helvetica,bold,18'
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167 | settitle 'Pk[LSS] , Pk[Foreground=GSM] and lobe effect (Dish D=50 m)' ' ' 'font=helvetica,bold,18'
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168 |
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169 | set lines ( 'Pk[Foreground]' 'Pk[fgnd]*Lobe' 'Pk[fgnd]*Lobe/Corrected' 'Pk[LSS]' 'Pk[LSS]*Lobe+Noise' )
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170 | set cols ( navyblue blue skyblue gold siennared )
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171 | textdrawer lines cols 'font=helvetica,bold,16 frame'
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172 |
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173 |
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174 | disp lsspk 'logx logy nsta xylimits=0.005,2.,4e-9,4e-5 gold'
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175 | disp lsspklobewn 'same nsta siennared'
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176 | disp subpkcorlobe 'same nsta red'
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177 | disp subpknolss 'same nsta green'
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178 |
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179 | # Calcul du volume total en Mpc^3
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180 | set VOL (1.9*1.9*2.8*800*600*256)
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181 | # set VOL (1.9*1.9*2.8*1800*600*256)
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182 | plot2d
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183 | # plot2d lsspk x val*$VOL 1 'logx logy nsta xylimits=0.01,2.,10.,1e4 cpts marker=box,5 gold'
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184 | plot2d lsspklobewn x val*$VOL 1 'same nsta cpts marker=box,5 siennared'
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185 | plot2d subpkcorlobe x val*$VOL 1 'same nsta cpts marker=box,5 red'
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186 | plot2d subpklobe x val*$VOL 1 'same nsta cpts marker=box,5 blueviolet'
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187 | plot2d subpknolss x val*$VOL 1 'same nsta cpts marker=box,5 green'
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188 |
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189 | # settitle 'Recovered Pk[LSS] In=LSS+(GSM) (D=50 m)' ' ' 'font=helvetica,bold,18'
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190 | settitle 'Recovered Pk[LSS] In=LSS+(Haslam+North20cm) (D=50 m)' ' ' 'font=helvetica,bold,18'
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191 | setaxelabels 'k (Mpc^-1) h=0.7' 'P(k) (mK^2 Mpc^3)' 'font=helvetica,bolditalic,16'
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192 | set lines ( 'Pk[LSS]' 'Pk[LSS*lobe+noise]' 'Pk[ExtractedLSS]' 'Pk[ExtLSS,NoBeamCor]' 'Pk[residual,NoLSS]' )
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193 | set cols ( gold siennared red blueviolet green )
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194 | textdrawer lines cols 'font=helvetica,bold,16 frame'
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195 |
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196 | plot2d fgndpk x val*$VOL 1 'logx logy xylimits=0.01,1.,1.,1e10 nsta cpts marker=box,5 black'
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197 | plot2d fgndpkflobe x val*$VOL 1 ' nsta cpts marker=circle,5 navyblue same'
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198 | plot2d fgndpklobe x val*$VOL 1 ' nsta cpts marker=circle,5 blue same'
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199 |
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200 | plot2d lsspk x val*$VOL 1 ' nsta cpts marker=box,5 red same'
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201 | plot2d lsspkflobe x val*$VOL 1 ' nsta cpts marker=circle,5 orange same'
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202 | plot2d lsspklobe x val*$VOL 1 ' nsta cpts marker=circle,5 yellow same'
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203 |
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204 | c++exec \
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205 | Histo lsspkratioA = subpkcorlobe/lsspk; KeepObj(lsspkratioA); \
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206 | Histo lsspkratioB = subpkcorlobe/lsspkflobe; KeepObj(lsspkratioB);
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207 |
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208 | plot2d lsspk x val*$VOL 1 'logx logy nsta xylimits=0.01,2.,10.,1e4 cpts marker=box,5 gold'
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209 | plot2d lsspklobewn x val*$VOL 1 'same nsta cpts marker=box,5 red'
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210 | plot2d subpknolss x val*$VOL 1 'same nsta cpts marker=box,5 green'
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211 | plot2d subpknolssnocor x val*$VOL 1 'same nsta cpts marker=box,5 magenta'
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212 | setaxelabels 'k (Mpc^-1) h=0.7' 'P(k) (mK^2 Mpc^3)' 'font=helvetica,bolditalic,16'
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213 | settitle 'Recovered Pk[LSS] and residual systematics' ' ' 'font=helvetica,bold,18'
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214 | set lines ( 'Pk[LSS]' 'Pk[LSS*lobe+noise]' 'Pk[residual,NoLSS]' 'Pk[residual,NoLSS,NoBeamCorrection]' )
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215 | set cols ( gold red green magenta )
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216 | textdrawer lines cols 'font=helvetica,bold,16 frame'
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