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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  An X-ray catalog and atlas of galaxies. (Fabbiano+, 1992)
Post annotation
1.J/ApJS/80/531/gxatlas(c)Observation Info for the EINSTEIN Galaxy Catalog (716 rows)
2.J/ApJS/80/531/gxfluxes(c)Flux Density Info for the EINSTEIN Galaxy Catalog (448 rows)
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Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
   (ALL)DEB1950 "d:m:s" (i) Declination (B1950) (deg) (pos.eq.dec;meta.main)
  (1)inst (char) [IH] Instrument used (Note 2)   (;instr)
  (1)livetime s Time of observation (Note 3)   (time.duration;obs.exposure)
   (ALL)Name (char) (i) Name of the object (NGC, IC, UGC number) (;meta.main)
  (1)nH 10+20cm-2Foreground column of HI (Note 1)   (phys.columnDensity)
   (ALL)note (char) [ ab] Note: 'a' if AGN or 'b' if Virgo (meta.note)
  (1)obs "Y:M:D" Year of start of observation minus 1900 (time.epoch)
  (1)offaxis arcmin Distance to field center (Note 4)   (pos.angDistance)
   (ALL)RAB1950 "h:m:s" (i) Right Ascension (B1950) (hour) (pos.eq.ra;meta.main)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1)Seqno  Observation sequence number (

ALL cols
 (i)indexed column
  (2)Bmag mag Apparent B magnitude (Note 4)   (phot.mag;em.opt.B)
  (2)counts ct (n) Total counts from EINSTEIN observation (Note 7)   (phot.count;em.X-ray)
  (2)crate ct/ks (n) Count-rate from EINSTEIN observation (Note 8)   (phot.count;em.X-ray)
  (2)DE_X "d:m:s" (n) Declination (B1950) (deg) (Note)   (pos.eq.dec)
  (2)dist Mpc Assumed distance in Megaparsecs (Note 10)   (pos.distance)
  (2)e_counts ct (n) Error on count total (Note 7)   (stat.error)
  (2)FluxX 10-16W/m2(n) X-ray flux (Note 9)   (phot.flux;em.X-ray)
  (2)instr (char) [IH] Instrument used (Note 2)   (;instr)
  (2)l_counts (char) Flagged '<' if counts is an upper limit (Note 7)   (meta.code.error)
  (2)l_crate (char) [ <] '<' if count rate is upper limit (Note 8)   (meta.code.error)
  (2)l_FluxX (char) [ <] '<' if flux is an upper limit (Note 9)   (meta.code.error)
  (2)l_logLx (char) [ <] '<' if luminosity is upper limit (Note 11)   (meta.code.error)
  (2)logLx [10-7W] (n) Log of the X-ray luminosity (Note 11)   (phys.luminosity;em.X-ray)

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
  (2)radius arcsec (n) Size of aperture for flux extraction (phys.angSize;src)
  (2)RA_X "h:m:s" (n) Right Ascension (B1950) (hour) (Note 6)   (pos.eq.ra)
  (2)seqno  Observation sequence number (Note 3)   (
  (2)type  T-type following RC2 (Note 5)   (src.morph.type)

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
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