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  NGC 3293 Chandra X-ray observation (Preibisch+, 2017)
Post annotation
1.J/A+A/605/A85/table1(c)Primary Chandra Catalog: Basic Source Properties (1026 rows)
2.J/A+A/605/A85/table2(c)VISTA and VST source identification for the X-ray sources in NGC 3293 (719 rows)
3.J/A+A/605/A85/table3X-ray luminosities of B-type stars in NGC 3293 (54 rows)

Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1)more (char) indicates VISTA and VST identification (table 2) and X-ray luminosities for B-type stars (table 3) (meta.ref.url)
   (ALL)Seq  (i) X-ray catalog sequence number, sorted by RA (
  (1+2)CXName (char) IAU designation of the X-ray source (, CXONGC3293 (;meta.main)
  (1)RAJ2000 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  (1)DEJ2000 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
  (1)e_Pos arcsec Position error (stat.error)
  (1)Theta arcmin Off-axis angle (instr.offset)
  (1)CtTnet ct Net counts in the total energy band (0.5-8keV) (phot.count;em.X-ray)
  (1)e_CtTnet ct 1-sigma errors on net counts (stat.error)
  (1)Bct ct Background counts expected in the source extraction region (instr.background;obs.field)

ALL cols
 (i)indexed column
  (1)CtHnet ct Net counts in the hard energy band (2-8keV) (phot.count;em.X-ray)
  (1)PSFfrac  Fraction of the PSF (at 1.497keV) enclosed within the extraction region (instr.det.psf)
  (1)Signi  Photometric significance (;phot)
  (1)l_logPB (char) Limit flag on logPB (meta.code.error)
  (1)logPB  Logarithmic probability that extracted counts are solely from background (
  (1)Anom (char) [ag] Source anomalies (Note 1)   (meta.code)
  (1)Var (char) [abc] Variability characterization based on K-S statistic (Note 2)   (meta.code)
  (1)Emed keV Background-corrected median photon energy (
  (1+3)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
  (2)VCNS (char) Identifier in the VISTA VCNS source catalog or 2MASS name (Note 2)   (
  (2)VPHAS (char) Identifier in the VST VPHAS-DR2 source catalog (Note 3)   (
  (2)sourceID (char) SourceID in the VST VPHAS-DR2 source catalog (Note 3)   (
  (2)_RA deg (i) Position from CXName (right ascension part) (pos.eq.ra;meta.main)

ALL cols
 (i)indexed column
  (2)_DE deg (i) Position from CXName (declination part) (pos.eq.dec;meta.main)
  (3)ESL (char) NGC 3293 ESL Number (based on Evans et al. 2005, Cat. J/A+A/437/467, Cl* NGC 3293 ESL NNN in Simbad) (
  (3)Name (char) Name of the star (as listed in SIMBAD, if available) (;meta.main)
  (3)SpType (char) Spectral type (src.spType)
  (3)LX 10-7W (n) X-ray luminosity for stars with X-ray detection (Note 1)   (phys.luminosity;em.X-ray)
  (3)ulLX 10-7W (n) Upper limit to the X-ray luminosity for stars without X-ray detection (phys.luminosity;em.X-ray)
  (3)logLX/Lb [-] (n) Logarithm of the X-ray to bolometric luminosity ratio (Note 1)   (phys.luminosity;arith.ratio)
  (3)ullogLX/Lb [-] (n) Logarithm of the upper limit to the X-ray to bolometric luminosity ratio (phys.luminosity;arith.ratio)

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