Documentation [PDF] - Canada France Hawaii Telescope ...
Documentation [PDF] - Canada France Hawaii Telescope ...
Documentation [PDF] - Canada France Hawaii Telescope ...
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SCAMP astrometric run using internal astrometric reference catalogue (D1,D2,D3,D4) :<br />
# Default configuration file for SCAMP 1.5.5<br />
# EB 2009-04-10<br />
# Last modified for CFHTLS-T0007-D3 (Megacam):<br />
# YG 2011-02-21<br />
#------------------------------ Field grouping -----------------------------------<br />
FGROUP_RADIUS 1.0 # Max dist (deg) between field groups<br />
#---------------------------- Reference catalogs ---------------------------------<br />
REF_SERVER cocat1.u-strasbg.fr # Internet addresses of catalog servers<br />
REF_PORT 1660 # Ports to connect to catalog servers<br />
CDSCLIENT_EXEC aclient # CDSclient executable<br />
ASTREF_CATALOG FILE # NONE, FILE, USNO-A1, USNO-A2, USNO-B1,<br />
# GSC-1.3, GSC-2.2, UCAC-1, UCAC-2,<br />
# NOMAD-1, 2MASS, DENIS-3,<br />
# SDSS-R3, SDSS-R5 or SDSS-R6<br />
ASTREF_BAND DEFAULT # Photom. band for astr.ref.magnitudes<br />
# or DEFAULT, BLUEST, or REDDEST<br />
ASTREFCAT_NAME CFHTLS-T0007-D3_SCamp_astr_ref.cat<br />
# Local astrometric reference catalogs<br />
ASTREFCENT_KEYS X_WORLD,Y_WORLD # Local ref.cat.centroid parameters<br />
ASTREFERR_KEYS ERRA_WORLD, ERRB_WORLD, ERRTHETA_WORLD<br />
# Local ref.cat.error ellipse parameters<br />
ASTREFMAG_KEY MAG # Local ref.cat.magnitude parameter<br />
SAVE_REFCATALOG N # Save ref catalogs in FITS-LDAC format?<br />
REFOUT_CATPATH . # Save path for reference catalogs<br />
#--------------------------- Merged output catalogs ------------------------------<br />
MERGEDOUTCAT_NAME scamp.cat # Merged output catalog filename<br />
MERGEDOUTCAT_TYPE NONE # NONE, ASCII_HEAD, ASCII, FITS_LDAC<br />
#------------------------------ Pattern matching ---------------------------------<br />
MATCH Y # Do pattern-matching (Y/N) ?<br />
MATCH_NMAX 0 # Max.number of detections for MATCHing<br />
# (0=auto)<br />
PIXSCALE_MAXERR 1.2 # Max scale-factor uncertainty<br />
POSANGLE_MAXERR 5.0 # Max position-angle uncertainty (deg)<br />
POSITION_MAXERR 1.0 # Max positional uncertainty (arcmin)<br />
MATCH_RESOL 0 # Matching resolution (arcsec); 0=auto<br />
MATCH_FLIPPED N # Allow matching with flipped axes?<br />
MOSAIC_TYPE SAME_CRVAL # UNCHANGED, SAME_CRVAL, SHARE_PROJAXIS,<br />
# FIX_FOCALPLANE or LOOSE<br />
FIXFOCALPLANE_NMIN 1 # Min number of dets for FIX_FOCALPLANE<br />
#---------------------------- Cross-identification -------------------------------<br />
CROSSID_RADIUS 2.0 # Cross-id initial radius (arcsec)<br />
#---------------------------- Astrometric solution -------------------------------<br />
SOLVE_ASTROM Y # Compute astrometric solution (Y/N) ?<br />
ASTRINSTRU_KEY FILTER,QRUNID # FITS keyword(s) defining the astrom<br />
STABILITY_TYPE INSTRUMENT # EXPOSURE, GROUP, INSTRUMENT or FILE<br />
CENTROID_KEYS<br />
XWIN_IMAGE,YWIN_IMAGE # Cat. parameters for centroiding<br />
CENTROIDERR_KEYS ERRAWIN_IMAGE,ERRBWIN_IMAGE,ERRTHETAWIN_IMAGE<br />
# Cat. params for centroid err ellipse<br />
DISTORT_KEYS<br />
XWIN_IMAGE,YWIN_IMAGE # Cat. parameters or FITS keywords<br />
DISTORT_GROUPS 1,1 # Polynom group for each context key<br />
DISTORT_DEGREES 3 # Polynom degree for each group<br />
ASTREF_WEIGHT 1.0 # Relative weight of ref.astrom.cat.<br />
ASTRCLIP_NSIGMA 3.0 # Astrom. clipping threshold in sigmas<br />
CORRECT_COLOURSHIFTS N # Correct for colour shifts (Y/N)?<br />
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