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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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J/ApJ/582/382
  Chandra X-ray sources in Orion Nebula Cluster (Flaccomio+, 2003)
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img(gal)
1.J/ApJ/582/382/table1(c)X-ray sources detected in the Orion Nebula Cluster (742 rows)
2.J/ApJ/582/382/table4(c)Catalog of the ONC optical sample (696 rows)
3.J/ApJ/582/382/table2List of Catalogs in the ONC Area (18 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)Xseq  X-ray source number ([FDM2003] X NNN in Simbad) (meta.id)
  (1+2)RAJ2000 "h:m:s" (i) Source hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
  (1+2)DEJ2000 "d:m:s" (i) Source degree of Declination (J2000) (pos.eq.dec;meta.main)
  (1)e_Pos arcsec Statistical uncertainty in RA and DE (stat.error)
  (1)S/N  Detection signal-to-noise ratio (stat.snr)
  (1)Cts ct X-ray counts (phot.count;em.X-ray)
  (1)e_Cts ct Uncertainty in Cts (stat.error)
  (1)Exp ks Effective exposure time (Note 1)   (time.duration;obs.exposure)
  (1+2)Xlist (char) Close Optical sources in table4 (meta.ref.url)
  (2)Oseq  Reference number ([FDM2003] Opt NNN in Simbad) (meta.id)

ALL cols
    
 (i)indexed column
  (2)Mass solMass Mass (phys.mass)
  (2)logAge [yr] (n) Log of the Age (time.age)
  (2)Prot d (n) Rotation period (time.period)
  (2)EW 0.1nm (n) Ca II 8542Å equivalent width (Note 1)   (spect.line.eqWidth)
  (2)l_CRate (char) Limit flag on CRate (meta.code.error)
  (2)CRate ct/ks Basal HRC Count Rate (phot.count;em.X-ray)
  (2)l_logXLum (char) Limit flag on XLum (meta.code.error)
  (2)logXLum [10-7W] Log of the X-ray luminosity (phys.luminosity;em.X-ray)
  (2)l_logX/bol (char) Limit flag on X/bol (meta.code.error)
  (2)logX/bol [-] (n) Log of the X-ray to bolometric luminosity ratio (phys.luminosity;arith.ratio)
  (3)Ref (char) Reference (meta.ref;pos.frame)
  (3)Study (char) Type of study (meta.ref;pos.frame)
  (3)Tablea (char) Number of the table in the original publication (meta.id;meta.main)
  (3)Number  Number of sources in the HRC field of view (meta.number)
  (3)R95 arcsec (n) The 95% quantiles of the object distances from the Jones & Walker 1988AJ.....95.1755J counterparts. (pos.angDistance)
  (3)NR  (n) Number of objects used to derive R95, i.e., identified with Jones & Walker 1988AJ.....95.1755J (meta.number)
  (3)NHRC  (n) Number of objects identified with an HRC X-ray source (meta.number)
  (3)Data (char) Data collected from each catalog; superscripts give precedence for acceptance in our catalog (meta.note)

ALL cols
    
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