Contains the parameters provided for each source in the ROSAT Bright Source Catalogue. |
This table contains brief descriptions of the parameters provided for each source in the ROSAT BSC. Required constraints:
|
Name | Type | Length | Unit | Description | Default Value | Unified Content Descriptor |
---|---|---|---|---|---|---|
srcName | varchar | 16 | ROSAT All-Sky Survey Catalogue source name | meta.id;meta.main | ||
seqNo | int | 4 | sequential object number in the BSC | 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 | Right Ascension (decimal degrees; J2000) | pos.eq.ra;meta.main | |
dec | float | 8 | degrees | Declination (decimal degrees; J2000) | pos.eq.dec;meta.main | |
errP | tinyint | 1 | arcsec | total positional error (1-sigma-radius; including 6" systematic error) | stat.error | |
nFlag | varchar | 1 | nearby sources affecting SASS flux determination | meta.code | ||
pFlag | varchar | 1 | possible problem with position determination | meta.code | ||
eFlag | varchar | 1 | source extended beyond SASS extraction radius | meta.code | ||
dFlag | varchar | 1 | complex diffuse emission pattern | meta.code | ||
mFlag | varchar | 1 | source missed by SASS | meta.code | ||
rFlag | varchar | 1 | source counts and extraction radius recalculated | meta.code | ||
iFlag | varchar | 1 | broad band image available | meta.code | ||
vFlag | varchar | 1 | variability flag | meta.code | ||
dum | varchar | 1 | dummy flag | meta.code | ||
srcCps | real | 4 | counts/sec | source countrate in the broad energy band, vignetting corrected | phot.count;em.X-ray | |
errSrcCps | real | 4 | counts/s | error of source countrate, vignetting corrected | stat.error | |
bgrCpsa | real | 4 | counts/sec/arcmin**2 | background countrate, vignetting corrected | instr.background | |
expTime | smallint | 2 | sec | exposure time | time.duration;obs.exposure | |
hr1 | float | 8 | hardness ratio 1 | phot.flux;arith.ratio | ||
errHr1 | float | 8 | error of hardness ratio 1 | stat.error | ||
hr2 | float | 8 | hardness ratio 2 | phot.flux;arith.ratio | ||
errHr2 | float | 8 | error of hardness ratio 2 | stat.error | ||
ext | smallint | 2 | arcsec | source extent | phys.angSize | |
extl | smallint | 2 | likelihood of source extent | stat.likelihood | ||
srcl | smallint | 2 | likelihood of source detection | stat.likelihood | ||
extr | smallint | 2 | arcsec | extraction radius | stat.fit.param | |
priFlgMb | tinyint | 1 | priority flag M-broad | meta.code | ||
priFlgLb | tinyint | 1 | priority flag L-broad | meta.code | ||
priFlgMh | tinyint | 1 | priority flag M-hard | meta.code | ||
priFlgLh | tinyint | 1 | priority flag L-hard | meta.code | ||
priFlgMs | tinyint | 1 | priority flag M-soft | meta.code | ||
priFlgLs | tinyint | 1 | priority flag L-soft | meta.code | ||
phaRange | varchar | 1 | PHA range with highest detection likelihood | meta.code | ||
vigf | float | 8 | vignetting factor | instr.param | ||
orgDate | datetime | 8 | mm-dd-yyyy | date when source was included (MM-DD-YYYY) | time.epoch | |
modDate | datetime | 8 | mm-dd-yyyy | date when source properties were changed (MM-DD-YYYY) | time.epoch | |
idCand | smallint | 2 | number of identification candidates in the correlation catalogue | meta.number | ||
fieldID | varchar | 8 | identification number of SASS field | obs.field | ||
srcID | varchar | 4 | SASS source number (MASOL number) in SASS field | meta.id | ||
Total length | 177 |