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B.2.2 SWarp stack configuration file for T0007 Deep # Default configuration file for SWarp 2.17.6 # EB 2009-04-09 # # Last modified for CFHTLS-T0007 (Megacam): # YG 2011-09-01 #----------------------------------- Output ----------------------------------- IMAGEOUT_NAME WEIGHTOUT_NAME CFHTLS_D-85_g_221531-174356_T0007.fits # Output filename CFHTLS_D-85_g_221531-174356_T0007_weight.fits # Output weight-map filename HEADER_ONLY N # Only a header as an output file (Y/N)? HEADER_SUFFIX .head # Filename extension for additional headers #------------------------------- Input Weights -------------------------------- WEIGHT_TYPE MAP_WEIGHT # BACKGROUND,MAP_RMS,MAP_VARIANCE # or MAP_WEIGHT WEIGHT_SUFFIX _weight.fits # Suffix to use for weight-maps WEIGHT_IMAGE # Weightmap filename if suffix not used # (all or for each weight-map) WEIGHT_THRESH # Bad pixel weight-threshold #------------------------------- Co-addition ---------------------------------- COMBINE Y # Combine resampled images (Y/N)? COMBINE_TYPE MEDIAN # MEDIAN,AVERAGE,MIN,MAX,WEIGHTED,CHI2 # or SUM BLANK_BADPIXELS N # Set to 0 pixels having a weight of 0 #-------------------------------- Astrometry ---------------------------------- CELESTIAL_TYPE NATIVE # NATIVE, PIXEL, EQUATORIAL, # GALACTIC,ECLIPTIC, or SUPERGALACTIC PROJECTION_TYPE TAN # Any WCS projection code or NONE PROJECTION_ERR 0.001 # Maximum projection error (in output # pixels), or 0 for no approximation CENTER_TYPE MANUAL # MANUAL, ALL or MOST CENTER 22:15:31,-17:43:56 # Coordinates of the image center PIXELSCALE_TYPE MANUAL # MANUAL,FIT,MIN,MAX or MEDIAN PIXEL_SCALE 0.186 # Pixel scale IMAGE_SIZE 19354,19354 # Image size (0 = AUTOMATIC) #-------------------------------- Resampling ---------------------------------- RESAMPLE Y # Resample input images (Y/N)? RESAMPLE_DIR . # Directory path for resampled images RESAMPLE_SUFFIX .resamp.fits # filename extension for resampled images RESAMPLING_TYPE LANCZOS3 # NEAREST,BILINEAR,LANCZOS2,LANCZOS3 # or LANCZOS4 (1 per axis) OVERSAMPLING 0 # Oversampling in each dimension # (0 = automatic) INTERPOLATE Y # Interpolate bad input pixels (Y/N)? # (all or for each image) FSCALASTRO_TYPE VARIABLE # NONE,FIXED, or VARIABLE FSCALE_KEYWORD FLXSCALE # FITS keyword for the multiplicative # factor applied to each input image FSCALE_DEFAULT 1.0 # Default FSCALE value if not in header GAIN_KEYWORD GAIN # FITS keyword for effect. gain (e-/ADU) GAIN_DEFAULT 0.0 # Default gain if no FITS keyword found # 0 = infinity (all or for each image) SATLEV_KEYWORD SATURATE # FITS keyword for saturation level (ADU) SATLEV_DEFAULT 50000.0 # Default saturation if no FITS keyword 148
#--------------------------- Background subtraction --------------------------- SUBTRACT_BACK Y # Subtraction sky background (Y/N)? # (all or for each image) BACK_TYPE AUTO # AUTO or MANUAL # (all or for each image) BACK_DEFAULT 0.0 # Default background value in MANUAL # (all or for each image) BACK_SIZE 128 # Background mesh size (pixels) # (all or for each image) BACK_FILTERSIZE 3 # Background map filter range (meshes) # (all or for each image) BACK_FILTTHRESH 0.0 # Threshold above which the background- # map filter operates #------------------------------ Memory management ----------------------------- VMEM_DIR . # Directory path for swap files VMEM_MAX 2047 # Maximum amount of virtual memory (MB) MEM_MAX 128 # Maximum amount of usable RAM (MB) COMBINE_BUFSIZE 400 # RAM dedicated to co-addition(MB) #------------------------------ Miscellaneous --------------------------------- DELETE_TMPFILES Y # Delete temporary resampled FITS files # (Y/N)? COPY_KEYWORDS FILTER,INSTRUME,TELESCOP,DETECTOR,OBSERVER,PHOT_C,PHOT_K, OBJECT,DATE_OBS,ORIGIN,SEEING,REL_DATE # List of FITS keywords to propagate # from the input to the output headers WRITE_FILEINFO N # Write information about each input # file in the output image header? WRITE_XML Y # Write XML file (Y/N)? XML_NAME CFHTLS_D-85_g_221531-174356_T0007_SWarp.xml # Filename for XML output XSL_URL swarp.xsl # Filename for XSL style-sheet VERBOSE_TYPE NORMAL # QUIET,NORMAL or FULL NNODES 1 # Number of nodes (for clusters) NODE_INDEX 0 # Node index (for clusters) NTHREADS 0 # Number of simultaneous threads for # the SMP version of SWarp # 0 = automatic 149
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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
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Each tile is centered at a well-def
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Field Parameter u ∗ g r i y z W1
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Figure 23: Distribution of exposure
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Figure 25: Distribution of the medi
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All CFHTLS Wide images: (mean CCD s
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50% completeness are given for poin
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80% completeness limit (stars) 26.0
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10 5 W1 W2 W3 10 5 W1 W2 W3 N gal 0
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Wide Field Magnitude range u ∗ g
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Wide Field Magnitude range u ∗ g
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paths. From the joint effort betwee
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Wide field External magnitude offse
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Wide field External rms errors with
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Figure 38: Comparison of one CFHTLS
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4.5.2 Absolute astrometric accuracy
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4.6 Outliers, stacks with exception
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Figure 40: Mean RA-DEC offsets betw
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Figure 42: Mean RA-DEC offsets betw
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W Cartesian CFHTLS Special filter V
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accurately reflect the integration
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Field Parameter u ∗ g r i y z D1-
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Field Parameter u ∗ g r i y z D1-
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76 Figure 43: Comparison of the (u
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Figure 44: Estimation of the intern
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5.4 Depth and completeness limits T
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D2 u−band (25% best−seeing imag
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log Ngal 0.5 mag −1 deg −2 5 4
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- there is one chi2 image per Wide
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File name Content Data Size Number
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File name Content Data Size Number
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6.3 Content of CFHTLS source catalo
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stacks made with the y-(i.MP9702) f
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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
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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
Page 144 and 145: #--------------------------- Photom
Page 146 and 147: #--------------------------- Backgr
Page 148 and 149: #--------------------------- Backgr
Page 150 and 151: #------------------------- Star/Gal
Page 152 and 153: #--------------------------- Star/G
Page 154 and 155: B.2 CFHTLS T0007 Deep configuration
Page 156 and 157: SCAMP astrometric run using interna
Page 158 and 159: SCAMP photometric run (D1,D2,D3,D4)
Page 162 and 163: B.2.3 SWarp chi2-image configuratio
Page 164 and 165: B.2.4 SExtractor .ldac catalogue co
Page 166 and 167: B.2.5 SExtractor DUAL MODE .cat cat
Page 168 and 169: Acronyms & Abbreviations ASCII CADC
Page 170 and 171: References Astier, P., et al. 2006,
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