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/900/79
  Chandra obs. of SDSS AGN pairs at zmed∼0.1 (Hou+, 2020)
ReadMe+ftp
2020ApJ...900...79H
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/900/79/table2X-ray properties of AGN pairs (78 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)
  SDSS (char) Identifier (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  RAJ2000 deg (i) Right Ascension (J2000) (Note 2)   (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination (J2000) (Note 2)   (pos.eq.dec;meta.main)
  l_Cts (char) Limit flag on Cts (meta.code.error)
  Cts ct [2/3836] Observed net counts in 0.5-8keV band (phot.count;em.X-ray)
  E_Cts ct (n) [2/66] Upper uncertainty in Cts (stat.error;stat.max)
  e_Cts ct (n) [1/65] Lower uncertainty in Cts (stat.error)
  l_F0.5-2 (char) Limit flag on F0.5-2 (meta.code.error)
  F0.5-2 10-6ph/cm2/s [0.2/289] Observed 0.5-2keV photon flux (phot.flux;em.X-ray.soft)
  E_F0.5-2 10-6ph/cm2/s(n) [0.1/12] Upper uncertainty in F0.5-2 (stat.error;stat.max)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  e_F0.5-2 10-6ph/cm2/s(n) [0.08/12] Lower uncertainty in F0.5-2 (stat.error)
  l_F2-8 (char) Limit flag on F2-8 (meta.code.error)
  F2-8 10-6ph/cm2/s [0.16/364] Observed 2-8keV photon flux (phot.flux;em.X-ray.hard)
  E_F2-8 10-6ph/cm2/s(n) [0.07/8] Upper uncertainty in F2-8 (stat.error;stat.max)
  e_F2-8 10-6ph/cm2/s(n) [0.05/8] Lower uncertainty in F2-8 (stat.error)
  l_logL0.5-2 (char) Limit flag on logL0.5-2 (meta.code.error)
  logL0.5-2 [10-7W] [39.3/43.6] Log 0.5-2keV unabsorbed luminosity (phys.luminosity;em.X-ray)
  E_logL0.5-2 [10-7W] (n) [0.01/0.3] Upper uncertainty in logL0.5-2 (stat.error;stat.max)
  e_logL0.5-2 [10-7W] (n) [0.01/0.5] Lower uncertainty in logL0.5-2 (stat.error)
  l_logL2-10 (char) Limit flag on logL2-10 (meta.code.error)
  logL2-10 [10-7W] [39.5/44] Log 2-8keV unabsorbed luminosity (phys.luminosity;em.X-ray)
  E_logL2-10 [10-7W] (n) [0.01/0.3] Upper uncertainty in logL2-10 (stat.error;stat.max)
  e_logL2-10 [10-7W] (n) [0.01/0.4] Lower uncertainty in logL2-10 (stat.error)
  HR   [-0.96/0.96] Hardness ratio (Note 3)   (phot.flux;arith.ratio)
  E_HR   [0/0.6] Upper uncertainty in HR (stat.error;stat.max)
  e_HR   [0.01/0.61] Lower uncertainty in HR (stat.error)

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