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D2 u−band (25% best−seeing images) D2 u−band (85% best−seeing images) 3.0 ul ur ul ur 3.0 Dec [deg] 2.5 2.0 cc Dec [deg] 2.5 2.0 cc 1.5 ll lr 1.5 ll lr N 151.0 150.5 150.0 149.5 149.0 151.0 150.5 150.0 149.5 149.0 RA [deg] RA [deg] E Figure 46: Locations of u ∗ -band pointings used to produced the D2-u ∗ stack. The colored squares represent the different MegaCam fields, and the colored points are the center positions of each CFHTLS and COSMOS images that are combined to produce the D-25-u ∗ and D-85u ∗ images. The dark squares are located at the D2 center position and outline the contour of the final D2-u ∗ . The D2-u ∗ characteristics quoted in Tables 18 and 19 only refer to the central regions delimited by the black squares. The bold squares show the central region containing all exposures. The stacks inside this narrow region are extremely deep: 51012 s. for D2-u ∗ -25, and 142970 s. for D2-u ∗ -85. 82
CFHTLS+COSMOS Reference center Number of Total Exp. Mean Seeing ± rms D2-u ∗ field RA ; DEC Exposures time name [J2000] [s] ["] D2-cc-25 10:00:28.00 ; +02:12:30 37 19663 0.827 ± 0.133 D2-cc-85 37 19663 0.827 ± 0.133 D2-ul-25 10:01:48.00 ; +02:24:44 15 6393 0.812 ± 0.019 D2-ul-85 61 31004 0.909 ± 0.080 D2-ur-25 09:58:50.00 ; +02:24:44 15 12482 0.730 ± 0.059 D2-ur-85 58 27892 0.853 ± 0.099 D2-ll-25 10:01:48.00 ; +01:49:47 15 19299 0.716 ± 0.019 D2-ll-85 64 32805 0.840 ± 0.098 D2-lr-25 09:58:50.00 ; +01:49:47 15 12866 0.690 ± 0.044 D2-lr-85 62 28325 0.865 ± 0.124 Table 23: Overview of the mosaicing of u ∗ -band observations over the five pointings that are used to produce D-25-u ∗ and D-85-u ∗ . The total field of view covered by the five pointings is 1.4×1.4 deg 2 , but we only keep the 1.×1. deg 2 field at the D2 T0007 reference position. Only the very central region of stacks contains all data and corresponds to the D2-u ∗ properties quoted in Tables 18 and 19. This region is roughly contained within the bold squares of Fig. 46. The seeing is not the same, but the scatter is large and all stacks agree with the same mean seeing, within 1-σ. 83
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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
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Figure 18: Matching between one L99
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• four (u, g, r , i/y, z) Wide pa
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W1 W2 N N E E W3 W4 N N E E Figure
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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 86 and 87: 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 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
Page 138 and 139: DISTORT_GROUPS 1,1 # Polynom group
Page 140 and 141: #--------------------------- Photom
Page 142 and 143: #--------------------------- 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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