| IX/29/rass_fsc | ROSAT All-Sky Survey Faint Source Catalog (Voges+ 2000) The ROSAT All Sky Survey Faint Source Catalog (105924 rows) | recno=60056 |
| Column | Value | Explain (UCD) | |
| _RAJ2000 | 20 28 57.5976 | "h:m:s" | Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra) |
| _DEJ2000 | +01 34 44.508 | "d:m:s" | Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec) |
| _RAB1950 | 20 26 25.2040 | "h:m:s" | Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra) |
| _DEB1950 | +01 24 42.527 | "d:m:s" | Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec) |
| _Glon | 046.0799982 | deg | Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) |
| _Glat | -20.7736976 | deg | Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) |
| 60056recno | 60056 | Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) | |
| 1RXS | J202857.6+013444 | (i) ROSAT All-Sky Survey Catalogue source name (Note 1) (meta.id;meta.main) | |
| RAJ2000 | 307.23999 | deg | (i) Right ascension (J2000), decimal degrees (pos.eq.ra;meta.main) |
| DEJ2000 | +01.57903 | deg | (i) Declination (J2000), decimal degrees (pos.eq.dec;meta.main) |
| PosErr | 24 | arcsec | Total positional error (including 6" systematic error) (stat.error) |
| ScrFlags | F.... | [T.F] screening flags (Note 2) (meta.code) | |
| NewFlag | .... | [T._] 'new data' flags (Note 3) (meta.code) | |
| Count | 2.76e-02 | ct/s | Source countrate (Note 4) (phot.count;em.X-ray) |
| e_Count | 9.47e-03 | ct/s | Error on Count (Note 4) (stat.error;phot.count) |
| bgCt | 9.16e-04 | ct/s/arcmin2 | Background countrate (Note 4) (arith.rate;instr.background;em.X-ray) |
| ExpTime | 456 | s | Exposure time (time.duration;obs.exposure) |
| HR1 | 1.00 | [-1/1] Hardness ratio 1 (Note 5) (phot.flux;arith.ratio) | |
| e_HR1 | 0.25 | Error on HR1 (Note 6) (stat.error) | |
| HR2 | 0.29 | [-1/1] hardness ratio 2 (Note 5) (phot.flux;arith.ratio) | |
| e_HR2 | 0.32 | Error on HR2 (Note 6) (stat.error) | |
| Extent | 18 | arcsec | Source extent, by which the source image exceeds the point spread function. (instr.det.psf) |
| L_Extent | 1 | Likelihood of source extent (Note 7) (stat.likelihood) | |
| Ldetect | 14 | Likelihood of source detection algorithm (Note 7) (stat.likelihood) | |
| ExtRad | 300 | arcsec | Extraction radius (phys.angSize) |
| PrioFlags | 101100 | [01] priority flags (Note 8) (meta.code.error) | |
| PHA | b | [ABCDb] PHA range of best detection (Note 9) (meta.code) | |
| VigFactor | 0.73 | Vignetting factor (arith.factor) | |
| IncDate | 2000-05-18 | "Y:M:D" | [000518] Date when source was included (Note 10) (time.epoch) |
| Ncand | 0 | Number of identification candidates in the correlation catalogue (meta.number) | |
| SASS | 33017055 | Identification number of SASS field (Note 12) (meta.id;obs.field) | |
| MASOL | 45 | SASS source number (MASOL number) in SASS field (mainly for internal use) (meta.id) | |
| src | 0 | Source number (meta.id) | |
| ObsBeg | 1990-10-22T21:50 | s | Beginning of observation (year, offset 1900) (time.epoch) |
| ObsEnd | 1990-10-24T20:09 | s | Beginning of observation (year, offset 1900) (time.epoch) |
| Rel | 96 | [0,99] Reliability of Source (stat.fit.goodness) | |
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