| Contains the parameters provided for each source in the FIRST Survey Catalog: 03Apr11 Version. |
| This table contains brief descriptions of the parameters provided for each source in the FIRST SC. It contains 811,117 sources arranged in order of increasing right ascension. Required constraints:
|
| Name | Type | Length | Unit | Description | Default Value | Unified Content Descriptor |
|---|---|---|---|---|---|---|
| fieldName | varchar | 12 | Name of the coadded image containing the source (encodes the position of the field center). | obs.image | ||
| seqNo | int | 4 | sequential object number | meta.id | ||
| 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 | ||
| ra | float | 8 | degrees | J2000 Celestial Right Ascension | pos.eq.ra;meta.main | |
| dec | float | 8 | degrees | J2000 Celestial Declination | pos.eq.dec;meta.main | |
| warnFlag | varchar | 1 | Warning flag indicating that the source may be a sidelobe of a nearby bright source. | meta.code | ||
| fPeak | real | 4 | mJy | peak flux densities | phot.flux.density;em.radio.750-1500MHz | |
| fInt | real | 4 | mJy | integrated flux densities | phot.flux.density;em.radio.750-1500MHz | |
| rms | real | 4 | mJy | local noise estimate at the source position | instr.det.noise | |
| maj | real | 4 | arcsec | major axes derived from the elliptical Gaussian model for the source after deconvolution. | phys.angSize.smajAxis | |
| min | real | 4 | arcsec | minor axes derived from the elliptical Gaussian model for the source after deconvolution. | phys.angSize.sminAxis | |
| pa | real | 4 | degrees | position angle (east of north) derived from the elliptical Gaussian model for the source | pos.posAng | |
| fMaj | real | 4 | arcsec | major axes derived from the elliptical Gaussian model for the source before deconvolution. | phys.angSize.smajAxis | |
| fMin | real | 4 | arcsec | minor axes derived from the elliptical Gaussian model for the source before deconvolution. | phys.angSize.sminAxis | |
| fPA | real | 4 | degrees | position angle (east of north) derived from the elliptical Gaussian model for the source before deconvolution. | pos.posAng | |
| Total length | 101 |