VizieR

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VizieR

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J/ApJS/80/531/gxatlas An X-ray catalog and atlas of galaxies. (Fabbiano+, 1992)
Observation Info for the EINSTEIN Galaxy Catalog (716 rows)
  recno=468
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ColumnValue  Explain   (UCD)
_RAJ200012 34 27.37 "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+02 11 10.3 "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)
_RAB195012 31 54.00 "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+02 27 42.0 "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)
_Glon292.95326 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+64.72841 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)
468recno 468  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Name N4536  (i) Name of the object (NGC, IC, UGC number) (meta.id;meta.main)
note    [ ab] Note: 'a' if AGN or 'b' if Virgo (meta.note)
RAB195012 31 54 "h:m:s" (i) Right Ascension (B1950) (hour) (pos.eq.ra;meta.main)
DEB1950+02 27 42 "d:m:s" (i) Declination (B1950) (deg) (pos.eq.dec;meta.main)
nH 1.90 10+20cm-2 Foreground column of HI (Note 1)   (phys.columnDensity)
instI   [IH] Instrument used (Note 2)   (meta.id;instr)
Seqno 9134  Observation sequence number (meta.id)
obs1980-07-14 "Y:M:D" Year of start of observation minus 1900 (time.epoch)
livetime 3688.3 s Time of observation (Note 3)   (time.duration;obs.exposure)
offaxis 0.3 arcmin Distance to field center (Note 4)   (pos.angDistance)
  
elapse time 1

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