Euclid on Sky
Open Access

Table D.1

SourceExtractor input configuration for the CFHT i band.

#------------------------------------------- Catalogue -------------------------------------------
CATALOG_NAME CFHT-MegaCam-i-Perseus-EROFOV-Flattened.v7.NISPdet.cat
# name of the output catalogue
CATALOG_TYPE ASCII_HEAD # NONE,ASCII,ASCII_HEAD, ASCII_SKYCAT,
# ASCII_VOTABLE, FITS_1.0 or FITS_LDAC
PARAMETERS_NAME Config/ERO.PSF.param # name of the file containing catalogue contents
#----------------------------------------- Extraction -----------------------------------------
DETECT_TYPE CCD # CCD (linear) or PHOTO (with gamma correction)
DETECT_MINAREA 5 # min. # of pixels above threshold
DETECT_THRESH 1.5 # <sigmas> or <threshold>,<ZP> in mag.arcsec-2
ANALYSIS_THRESH 1.5 # <sigmas> or <threshold>,<ZP> in mag.arcsec-2
FILTER Y # apply filter for detection (Y or N)?
FILTER_NAME Config/gauss_1.5_3x3.conv # name of the file containing the filter
DEBLEND_NTHRESH 64 # Number of deblending sub-thresholds
DEBLEND_MINCONT 0.0001 # Minimum contrast parameter for deblending
CLEAN Y # Clean spurious detections? (Y or N)?
CLEAN_PARAM 1.0 # Cleaning efficiency
#------------------------------------------- WEIGHTing -------------------------------------------
WEIGHT_TYPE NONE,MAP_WEIGHT # type of WEIGHTing: NONE, BACKGROUND,
# MAP_RMS, MAP_VAR or MAP_WEIGHT
RESCALE_WEIGHTS N # Rescale input weights/variances (Y/N)?
WEIGHT_IMAGE NONE,CFHT-MegaCam-i-Perseus-EROFOV-Flattened.v7.weight.fits
# weight-map filename
#-------------------------------------------- Photometry --------------------------------------------
PHOT_APERTURES 4.2,6.7,1,2,4,8,16,32,19.5,26.7 # MAG_APER aperture diameter(s) in pixels
# 1st and 2nd are COG related (2″ diam + opt aper),
# last two are DES related = 5.8437″ + 8″
PHOT_AUTOPARAMS 2.5, 3.5 # MAG_AUTO parameters: <Kron_fact>, <min_radius>
PHOT_PETROPARAMS 2.0, 3.5 # MAG_PETRO parameters: <Petrosian_fact>,
# <min_radius>
PHOT_AUTOAPERS 0.0,0.0 # <estimation>,<measurement> minimum apertures
# for MAG_AUTO and MAG_PETRO
SATUR_KEY SATURATE # keyword for saturation level (in ADUs)
MAG_ZEROPOINT 30.000 # magnitude zero-point
MAG_GAMMA 4.0 # gamma of emulsion (for photographic scans)
WEIGHT_GAIN Y # modulate gain (E/ADU) with weights? (Y/N)
GAIN_KEY GAIN # keyword for detector gain in e-/ADU
PIXEL_SCALE 0.3 # size of pixel in arcsec (0=use FITS WCS info)
#-------------------------------------- Star/Galaxy Separation --------------------------------------
SEEING_FWHM 0.56 # stellar FWHM in arcsec
STARNNW_NAME Config/default.nnw # Neural-Network_Weight table filename
#-------------------------------------------- Background --------------------------------------------
BACK_TYPE AUTO # AUTO or MANUAL
BACK_VALUE 0.0 # Default background value in MANUAL mode
BACK_SIZE 22 # Background mesh: <size> or <width>,<height>
BACK_FILTERSIZE 3 # Background filter: <size> or <width>,<height>
#------------------------------------------- Check Image -------------------------------------------
CHECKIMAGE_TYPE SEGMENTATION # can be NONE, BACKGROUND, BACKGROUND_RMS,
# MINIBACKGROUND, MINIBACK_RMS, -BACKGROUND,
# FILTERED, OBJECTS, -OBJECTS, SEGMENTATION,
# or APERTURES
CHECKIMAGE_NAME CFHT-MegaCam-i-Perseus-EROFOV-Flattened.v7.NISPdet.segmentation.fits
# Filename for the check-image
#---------------------------------- Memory (change with caution!) ----------------------------------
MEMORY_OBJSTACK 50000 # number of objects in stack
MEMORY_PIXSTACK 3000000 # number of pixels in stack
MEMORY_BUFSIZE 8092 # number of lines in buffer
#------------------------------------------- ASSOCiation -------------------------------------------
ASSOC_NAME sky.list # name of the ASCII file to ASSOCiate
ASSOC_DATA 2,3,4 # columns of the data to replicate (0=all)
ASSOC_PARAMS 2,3,4 # columns of xpos,ypos[,mag]
ASSOC_RADIUS 2.0 # cross-matching radius (pixels)
ASSOC_TYPE NEAREST # ASSOCiation method: FIRST, NEAREST, MEAN,
# MAG_MEAN, SUM, MAG_SUM, MIN or MAX
ASSOCSELEC_TYPE MATCHED # ASSOC selection type: ALL, MATCHED or -MATCHED

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.