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IX/29/rass_fsc ROSAT All-Sky Survey Faint Source Catalog (Voges+ 2000)
The ROSAT All Sky Survey Faint Source Catalog (105924 rows)
  recno=25715
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ColumnValue  Explain   (UCD)
_RAJ200000 42 30.30 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEJ2000+41 04 17.0 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data) (pos.eq.dec)
_RAB195000 39 46.19 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEB1950+40 47 51.3 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data) (pos.eq.dec)
_Glon121.1192 deg Galactic longitude (computed by VizieR, not part of the original data) (pos.galactic.lon)
_Glat-21.7689 deg Galactic latitude (computed by VizieR, not part of the original data) (pos.galactic.lat)
25715recno 25715  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ004230.3+410417  ROSAT All-Sky Survey Catalogue source name (Note 1)   (meta.id;meta.main)
RAJ2000010.62625 deg Right ascension (J2000), decimal degrees (pos.eq.ra;meta.main)
DEJ2000+41.07139 deg Declination (J2000), decimal degrees (pos.eq.dec;meta.main)
PosErr 18 arcsec Total positional error (including 6" systematic error) (stat.error)
ScrFlagsF....   [T.F] screening flags (Note 2)   (meta.code)
NewFlag....   [T._] 'new data' flags (Note 3)   (meta.code)
Count 3.55e-02 ct/s Source countrate (Note 4)   (phot.count;em.X-ray)
e_Count 1.06e-02 ct/s Error on Count (Note 4)   (stat.error;phot.count)
bgCt 9.28e-04 ct/s/arcmin2 Background countrate (Note 4)   (arith.rate;instr.background;em.X-ray)
ExpTime 497 s Exposure time (time.duration;obs.exposure)
HR1 1.00   [-1/1] Hardness ratio 1 (Note 5)   (phot.flux;arith.ratio)
e_HR1 0.34   Error on HR1 (Note 6)   (stat.error)
HR2 0.63   [-1/1] hardness ratio 2 (Note 5)   (phot.flux;arith.ratio)
e_HR2 0.29   Error on HR2 (Note 6)   (stat.error)
Extent 23 arcsec Source extent, by which the source image exceeds the point spread function. (instr.det.psf)
L_Extent 3   Likelihood of source extent (Note 7)   (stat.likelihood)
Ldetect 18   Likelihood of source detection algorithm (Note 7)   (stat.likelihood)
ExtRad 300 arcsec Extraction radius (phys.angSize)
PrioFlags101000   [01] priority flags (Note 8)   (meta.code.error)
PHAb   [ABCDb] PHA range of best detection (Note 9)   (meta.code)
VigFactor 0.73   Vignetting factor (arith.factor)
IncDate2000-05-18 "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)
SASS33010002  Identification number of SASS field (Note 12)   (meta.id;obs.field)
MASOL 38  SASS source number (MASOL number) in SASS field (mainly for internal use) (meta.id)
src124  Source number (meta.id)
ObsBeg1991-01-09T20:24 s Beginning of observation (year, offset 1900) (time.epoch)
ObsEnd1991-01-11T22:04 s Beginning of observation (year, offset 1900) (time.epoch)
Rel99   [0,99] Reliability of Source (stat.fit.goodness)
  
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