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

  Chandra multi-epoch study of the spiral gal. NGC7331 (Jin+, 2019)
Post annotation
1.J/ApJ/879/112/table2Chandra source properties (55 rows)

Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  Seq   [1/55] Source number (;meta.main)
  RAJ2000 "h:m:s" (i) [22] Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) [34] Degree of Declination (J2000) (pos.eq.dec;meta.main)
  Ncts ct [9/1437] Net counts (Note 1)   (phot.count;em.X-ray)
  CR 10-2ct/s [0.04/5.2] Count rate (Note 2)   (phot.count;em.X-ray)
  e_CR 10-2ct/s [0.02/0.3] Lower uncertainty in CR (Note 2)   (stat.error)
  E_CR 10-2ct/s [0.02/0.3] Upper uncertainty in CR (Note 2)   (stat.error;stat.max)
  Flux 10-14mW/m2 [0.4/63] Flux; 10–14erg/s/cm2 (Note 3)   (phot.flux;em.X-ray)
  e_Flux 10-14mW/m2 [0.1/2.8] Lower uncertainty in Flux (stat.error;phot.flux)
  E_Flux 10-14mW/m2 [0.2/3] Upper uncertainty in Flux (stat.error;stat.max)
  Lx 10-7W [1e+38/1.7e+40] X-ray luminosity; erg/s (Note 4)   (phys.luminosity;em.X-ray)
  Class (char) Class (Note 5)   (meta.code.class)

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