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Field Parameter u ∗ g r i y z D1-85 Seeing ["] 0.84 0.81 0.77 0.74 0.71 0.72 80% Compl. (stellar) 26.51 ± 0.10 25.98 ± 0.10 25.62 ± 0.10 25.32 ± 0.10 25.47 ± 0.10 24.98 ± 0.10 80% Compl. (extended) 25.87 ± 0.10 25.32 ± 0.10 24.71 ± 0.10 24.37 ± 0.10 24.54 ± 0.10 24.22 ± 0.10 Mag. int. err. [mag.] 0.03 0.02 0.02 0.02 0.02 0.03 D2-85 Seeing ["] 0.82 0.78 0.74 0.72 0.70 0.66 80% Compl. (stellar) 26.56 ± 0.10 26.05 ± 0.10 25.56 ± 0.10 25.22 ± 0.10 25.48 ± 0.10 25.15 ± 0.10 80% Compl. (extended) 25.95 ± 0.10 25.32 ± 0.10 24.72 ± 0.10 24.46 ± 0.10 24.55 ± 0.10 24.28 ± 0.10 Mag. int. err. [mag.] 0.03 0.02 0.02 0.02 0.02 0.03 CFHTLS-SDSS 〈δm〉 [mag.] −0.057 −0.004 +0.011 +0.002 −0.011 +0.010 D3-85 Seeing ["] 0.87 0.84 0.78 0.75 0.77 0.69 80% Compl. (stellar) 26.51 ± 0.10 26.06 ± 0.10 25.54 ± 0.10 25.20 ± 0.10 25.51 ± 0.10 25.14 ± 0.10 80% Compl. (extended) 25.86 ± 0.10 25.26 ± 0.10 24.66 ± 0.10 24.35 ± 0.10 24.46 ± 0.10 24.20 ± 0.10 Mag. int. err. [mag.] 0.03 0.02 0.02 0.02 0.02 0.04 CFHTLS-SDSS 〈δm〉 [mag.] −0.040 +0.005 +0.016 +0.000 −0.012 −0.004 D4-85 Seeing ["] 0.86 0.81 0.72 0.69 0.66 0.65 80% Compl. (stellar) 26.44 ± 0.10 25.95 ± 0.10 25.53 ± 0.10 25.31 ± 0.10 25.53 ± 0.10 25.16 ± 0.10 80% Compl. (extended) 25.79 ± 0.10 25.32 ± 0.10 24.82 ± 0.10 24.48 ± 0.10 24.47 ± 0.10 24.26 ± 0.10 Mag. int. err. [mag.] 0.04 0.02 0.02 0.02 0.02 0.03 Table 21: Characteristics of the “85%” best-seeing sigma-combined stack parameters. 74
Wide surveys. As explained in the Section 4.4.3 on the comparison between the Wide and SDSS-DR8, the CFHTLS is anchored to the SDSS Supernova Survey which is established in a true AB magnitude system, while SDSS-DR8 is known to exhibit some offsets to the AB system, especially in the u ∗ and the z bands (Equation 14), offsets that we identify indirectly here. Please refer to Section 4.4.3 for a complete discussion on the topic. —————- 75
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T0007 : The Final CFHTLS Release Pa
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patches are provided. Sources from
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Contents 1 CFHTLS-T0007 Executive S
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B.1 Rescaling factors applied to de
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33 Galaxy counts for the four Wide
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30 Description of parameters listed
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B A B A B A B A B A B A B A B A B A
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constraints. Two series of Deep sta
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evealed minor problems (such as unu
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een preferable because of the highe
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Figure 5: Outputs of the SCAMP cali
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Figure 7: CFHTLS T0007 absolute pho
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Figure 8: Seeing FWHM distribution
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Figure 10: Aperture correction (def
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Filter u g r i z - ApCorr - ApCorr
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Figure 14: Photometric calibration
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Figure 17: Photometric calibration
Page 36 and 37: Figure 18: Matching between one L99
Page 38 and 39: • four (u, g, r , i/y, z) Wide pa
Page 40 and 41: W1 W2 N N E E W3 W4 N N E E Figure
Page 42 and 43: CFHTLS Reference center Total Total
Page 44 and 45: Each tile is centered at a well-def
Page 46 and 47: Field Parameter u ∗ g r i y z W1
Page 48 and 49: Figure 23: Distribution of exposure
Page 50 and 51: Figure 25: Distribution of the medi
Page 52 and 53: All CFHTLS Wide images: (mean CCD s
Page 54 and 55: 50% completeness are given for poin
Page 56 and 57: 80% completeness limit (stars) 26.0
Page 58 and 59: 10 5 W1 W2 W3 10 5 W1 W2 W3 N gal 0
Page 60 and 61: Wide Field Magnitude range u ∗ g
Page 62 and 63: Wide Field Magnitude range u ∗ g
Page 64 and 65: paths. From the joint effort betwee
Page 66 and 67: Wide field External magnitude offse
Page 68 and 69: Wide field External rms errors with
Page 70 and 71: Figure 38: Comparison of one CFHTLS
Page 72 and 73: 4.5.2 Absolute astrometric accuracy
Page 74 and 75: 4.6 Outliers, stacks with exception
Page 76 and 77: Figure 40: Mean RA-DEC offsets betw
Page 78 and 79: Figure 42: Mean RA-DEC offsets betw
Page 80 and 81: W Cartesian CFHTLS Special filter V
Page 82 and 83: accurately reflect the integration
Page 84 and 85: Field Parameter u ∗ g r i y z D1-
Page 88 and 89: 76 Figure 43: Comparison of the (u
Page 90 and 91: Figure 44: Estimation of the intern
Page 92 and 93: 5.4 Depth and completeness limits T
Page 94 and 95: D2 u−band (25% best−seeing imag
Page 96 and 97: log Ngal 0.5 mag −1 deg −2 5 4
Page 98 and 99: - there is one chi2 image per Wide
Page 100 and 101: File name Content Data Size Number
Page 102 and 103: File name Content Data Size Number
Page 104 and 105: 6.3 Content of CFHTLS source catalo
Page 106 and 107: stacks made with the y-(i.MP9702) f
Page 108 and 109: Id Parameter Description Units Comm
Page 110 and 111: 6.4 The QualityFITS input and outpu
Page 112 and 113: Figure 48: QFITS-out page of the W4
Page 114 and 115: 102
Page 116 and 117: Figure 51: Upper panel: CFHTLS all-
Page 118 and 119: A CFHTLS T0007 Wide supplementary i
Page 120 and 121: Table 31 - Continued from previous
Page 122 and 123: A.2 List of images in each Wide sta
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Table 32 - Continued from previous
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DISTORT_GROUPS 1,1 # Polynom group
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#--------------------------- Photom
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#--------------------------- Photom
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#--------------------------- Photom
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#--------------------------- Backgr
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#--------------------------- Backgr
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#------------------------- Star/Gal
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#--------------------------- Star/G
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B.2 CFHTLS T0007 Deep configuration
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SCAMP astrometric run using interna
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SCAMP photometric run (D1,D2,D3,D4)
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B.2.2 SWarp stack configuration fil
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B.2.3 SWarp chi2-image configuratio
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B.2.4 SExtractor .ldac catalogue co
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B.2.5 SExtractor DUAL MODE .cat cat
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Acronyms & Abbreviations ASCII CADC
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References Astier, P., et al. 2006,
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