TABLE  mgcDetection

Table of main extraction parameters for all sources in MGC_BRIGHT and MGC_FAINT http://www.eso.org/~jliske/mgc/

NameTypeLengthUnitDescriptionDefault ValueUnified Content Descriptor
MGCIDbigint8 MGC object ID  
MGCFNint4 MGC field number  
X_IMAGEreal4pixelObject x position  
Y_IMAGEreal4pixelObject y position  
MAG_ISOreal4magIsophotal magnitude  
MAG_ISO_DCreal4magMAG_ISO corrected for extinction  
MAG_ISOCORreal4magGaussian corrected isophotal magnitude  
MAG_ISOCOR_DCreal4magMAG_ISOCOR corrected for extinction  
MAG_AUTOreal4magKron-like elliptical aperture magnitude  
MAG_AUTO_DCreal4magMAG_AUTO corrected for extinction  
B_MGCreal4magBest of MAG_AUTO and MAG_ISOCOR  
B_MGC_DCreal4magB_MGC corrected for extinction  
MAG_ERRreal4magError for B_MGC  
BACKGRNDreal4countBackground at object position  
THRESHreal4countDetection threshold above background  
ISOAREA_IMAGEint4pixel^2Isophotal area above analysis threshold  
rafloat8degObject right ascension (J2000)  
decfloat8degObject declination (J2000)  
cxfloat8 unit vector of spherical co-ordinates pos.distance;pos.cartesian.x
cyfloat8 unit vector of spherical co-ordinates pos.distance;pos.cartesian.y
czfloat8 unit vector of spherical co-ordinates pos.distance;pos.cartesian.z
htmIDbigint8 Hierarchical Triangular Mesh (HTM) index, 20 deep, for equatorial co-ordinates pos.eq
raB1950float8degObject right ascension (B1950)  
decB1950float8degObject declination (B1950)  
A_IMAGEreal4pixelFlux rms along major axis  
B_IMAGEreal4pixelFlux rms along minor axis  
THETA_IMAGEreal4degPosition angle wrt x axis  
ERRA_IMAGEreal4pixelPosition error along major axis  
ERRB_IMAGEreal4pixelPosition error along minor axis  
ISOAREA_WORLDreal4deg^2Isophotal area above analysis threshold  
FLAGSint4 Extraction flags  
FWHM_IMAGEreal4pixelFWHM assuming a gaussian core  
ELLIPTICITYreal4 1 - B_IMAGE/A_IMAGE  
STELreal4 Stellaricity  
CCDtinyint1 CCD number  
CLASSsmallint2 Classification parameter  
Total length175