Table of main extraction parameters for all sources in MGC_BRIGHT and MGC_FAINT http://www.eso.org/~jliske/mgc/ |
Name | Type | Length | Unit | Description | Default Value | Unified Content Descriptor |
---|---|---|---|---|---|---|
MGCID | bigint | 8 | MGC object ID | |||
MGCFN | int | 4 | MGC field number | |||
X_IMAGE | real | 4 | pixel | Object x position | ||
Y_IMAGE | real | 4 | pixel | Object y position | ||
MAG_ISO | real | 4 | mag | Isophotal magnitude | ||
MAG_ISO_DC | real | 4 | mag | MAG_ISO corrected for extinction | ||
MAG_ISOCOR | real | 4 | mag | Gaussian corrected isophotal magnitude | ||
MAG_ISOCOR_DC | real | 4 | mag | MAG_ISOCOR corrected for extinction | ||
MAG_AUTO | real | 4 | mag | Kron-like elliptical aperture magnitude | ||
MAG_AUTO_DC | real | 4 | mag | MAG_AUTO corrected for extinction | ||
B_MGC | real | 4 | mag | Best of MAG_AUTO and MAG_ISOCOR | ||
B_MGC_DC | real | 4 | mag | B_MGC corrected for extinction | ||
MAG_ERR | real | 4 | mag | Error for B_MGC | ||
BACKGRND | real | 4 | count | Background at object position | ||
THRESH | real | 4 | count | Detection threshold above background | ||
ISOAREA_IMAGE | int | 4 | pixel^2 | Isophotal area above analysis threshold | ||
ra | float | 8 | deg | Object right ascension (J2000) | ||
dec | float | 8 | deg | Object declination (J2000) | ||
cx | float | 8 | unit vector of spherical co-ordinates | pos.distance;pos.cartesian.x | ||
cy | float | 8 | unit vector of spherical co-ordinates | pos.distance;pos.cartesian.y | ||
cz | float | 8 | unit vector of spherical co-ordinates | pos.distance;pos.cartesian.z | ||
htmID | bigint | 8 | Hierarchical Triangular Mesh (HTM) index, 20 deep, for equatorial co-ordinates | pos.eq | ||
raB1950 | float | 8 | deg | Object right ascension (B1950) | ||
decB1950 | float | 8 | deg | Object declination (B1950) | ||
A_IMAGE | real | 4 | pixel | Flux rms along major axis | ||
B_IMAGE | real | 4 | pixel | Flux rms along minor axis | ||
THETA_IMAGE | real | 4 | deg | Position angle wrt x axis | ||
ERRA_IMAGE | real | 4 | pixel | Position error along major axis | ||
ERRB_IMAGE | real | 4 | pixel | Position error along minor axis | ||
ISOAREA_WORLD | real | 4 | deg^2 | Isophotal area above analysis threshold | ||
FLAGS | int | 4 | Extraction flags | |||
FWHM_IMAGE | real | 4 | pixel | FWHM assuming a gaussian core | ||
ELLIPTICITY | real | 4 | 1 - B_IMAGE/A_IMAGE | |||
STEL | real | 4 | Stellaricity | |||
CCD | tinyint | 1 | CCD number | |||
CLASS | smallint | 2 | Classification parameter | |||
Total length | 175 |