VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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

  
J/ApJ/837/130
  Collinder 261 Chandra sources & optical counterparts (Vats+, 2017)
ReadMe+ftp
2017ApJ...837..130V
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/837/130/table1Catalog of Chandra sources in Cr 261 (151 rows)

Simple ConstraintList Of Constraints
 
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  (i) [1/151] Running sequence number (Note G1)   (meta.id;meta.main)
  f_Seq (char) [d] Flag on Seq (Note 1)   (meta.code)
  CXOU (char) Official IAU identifier (HHMMSS.s+DDMMSS; J2000) (meta.id)
  RAJ2000 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
  ePos arcsec [0.3/8] The 95% confidence radius (Note 2)   (phys.angSize)
  theta arcmin [0.2/11] Angular offset (Note 3)   (pos;arith.diff)
  CT ct [3/473] The 0.3-7keV net counts extracted (phot.count;em.X-ray)
  e_CT ct [2/22] The 1σ uncertainty in CT (stat.error)
  l_CS (char) Limit flag on CS (meta.code.error)
  CS ct [0/226] The 0.3-2keV net counts extracted (phot.count;em.X-ray)
  e_CS ct (n) [1/15] The 1σ uncertainty in CS (stat.error)
  FXu 10-15mW/m2 [0.5/100] Unabsorbed 0.3-7keV X-ray flux (Note 4)   (phot.flux;em.X-ray)
  E50 keV [0.7/6] Median energy (em.energy)
  e_E50 keV [0.06/2] The 1σ uncertainty in E50 (stat.error)
  Match (char) Optical counterpart match? (+ = present; - = absent; see table 2) (meta.code)
  W16  (n)Display data from Wang+, 2016, J/ApJS/224/40, within 1" (meta.ref.url)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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