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VizieR

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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=70141
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ColumnValue  Explain   (UCD)
_RAJ200006 10 16.8984 "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)
_DEJ2000-18 47 51.000 "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)
_RAB195006 08 05.8676 "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)
_DEB1950-18 47 10.880 "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)
_Glon225.6181869 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-17.3024233 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)
70141recno 70141  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ061016.9-184751  (i) ROSAT All-Sky Survey Catalogue source name (Note 1)   (meta.id;meta.main)
RAJ2000092.57041 deg (i) Right ascension (J2000), decimal degrees (pos.eq.ra;meta.main)
DEJ2000-18.79750 deg (i) Declination (J2000), decimal degrees (pos.eq.dec;meta.main)
PosErr 21 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 2.68e-02 ct/s Source countrate (Note 4)   (phot.count;em.X-ray)
e_Count 8.63e-03 ct/s Error on Count (Note 4)   (stat.error;phot.count)
bgCt 9.27e-04 ct/s/arcmin2 Background countrate (Note 4)   (arith.rate;instr.background;em.X-ray)
ExpTime 591 s Exposure time (time.duration;obs.exposure)
HR1 0.93   [-1/1] Hardness ratio 1 (Note 5)   (phot.flux;arith.ratio)
e_HR1 0.36   Error on HR1 (Note 6)   (stat.error)
HR2 0.15   [-1/1] hardness ratio 2 (Note 5)   (phot.flux;arith.ratio)
e_HR2 0.33   Error on HR2 (Note 6)   (stat.error)
Extent 19 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 13   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 0.72   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)
SASS33020017  Identification number of SASS field (Note 12)   (meta.id;obs.field)
MASOL 147  SASS source number (MASOL number) in SASS field (mainly for internal use) (meta.id)
src 31  Source number (meta.id)
ObsBeg1990-09-14T01:26 s Beginning of observation (year, offset 1900) (time.epoch)
ObsEnd1990-09-16T15:50 s Beginning of observation (year, offset 1900) (time.epoch)
Rel95   [0,99] Reliability of Source (stat.fit.goodness)
  
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