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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=38
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ColumnValue  Explain   (UCD)
_RAJ200014 52 27.1008 "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+89 15 12.492 "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)
_RAB195016 06 45.0187 "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+89 25 32.314 "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)
_Glon122.5068370 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+27.7724669 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)
38recno 38  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ145227.1+891512  (i) ROSAT All-Sky Survey Catalogue source name (Note 1)   (meta.id;meta.main)
RAJ2000223.11292 deg (i) Right ascension (J2000), decimal degrees (pos.eq.ra;meta.main)
DEJ2000+89.25347 deg (i) Declination (J2000), decimal degrees (pos.eq.dec;meta.main)
PosErr 17 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 1.38e-02 ct/s Source countrate (Note 4)   (phot.count;em.X-ray)
e_Count 5.77e-03 ct/s Error on Count (Note 4)   (stat.error;phot.count)
bgCt 1.12e-03 ct/s/arcmin2 Background countrate (Note 4)   (arith.rate;instr.background;em.X-ray)
ExpTime 820 s Exposure time (time.duration;obs.exposure)
HR1-0.13   [-1/1] Hardness ratio 1 (Note 5)   (phot.flux;arith.ratio)
e_HR1 0.36   Error on HR1 (Note 6)   (stat.error)
HR2-0.28   [-1/1] hardness ratio 2 (Note 5)   (phot.flux;arith.ratio)
e_HR2 0.55   Error on HR2 (Note 6)   (stat.error)
Extent 0 arcsec Source extent, by which the source image exceeds the point spread function. (instr.det.psf)
L_Extent    Likelihood of source extent (Note 7)   (stat.likelihood)
Ldetect 8   Likelihood of source detection algorithm (Note 7)   (stat.likelihood)
ExtRad 300 arcsec Extraction radius (phys.angSize)
PrioFlags110000   [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)
SASS33001001  Identification number of SASS field (Note 12)   (meta.id;obs.field)
MASOL 85  SASS source number (MASOL number) in SASS field (mainly for internal use) (meta.id)
src 0  Source number (meta.id)
ObsBeg1990-09-10T22:33 s Beginning of observation (year, offset 1900) (time.epoch)
ObsEnd1990-09-15T13:12 s Beginning of observation (year, offset 1900) (time.epoch)
Rel73   [0,99] Reliability of Source (stat.fit.goodness)
  
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