VizieR

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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/ApJS/181/605
  Catalog of X-ray sources in NGC 4278 (Brassington+, 2009)
ReadMe+ftp
2009ApJS..181..605B
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/181/605/XsourcesMaster source list, with coadded results (tables 3, 4 and 15 of paper) (236 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)
  q_[BFK2009] (char) [gl] Quality of detection (Note 1)   (meta.code.qual)
  [BFK2009]  (i) Master identification number linkRole{individual observations } (meta.id;meta.main)
  n_[BFK2009] (char) O indicates optical association (meta.ref.url)
  CXOU (char) The IAU name (JHHMMSS.s+DDMMSS) (meta.id)
  RAJ2000 "h:m:s" (i) Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
  Rad arcsec (n) Source extraction radius (phys.angSize)
  e_pos arcsec (n) Position uncertainty (PU) (Note 2)   (stat.error)
  S/N  (n) Signal-to-noise ratio (stat.snr)
  logLX [10-7W] Log 0.3-0.8 keV luminosity (Note 3)   (phys.luminosity;em.X-ray)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  ulogLX [10-7W] (n) The 3σ upper limit value of logLX (phys.luminosity;em.X-ray)
  vLT (char) Long-term variability (Note 4)   (meta.code;src.var)
  v1 (char) Short-term variability: Bayesian block analysis (Note 5)   (meta.code;src.var)
  v2 (char) Short-term variability: Komogorov-Smirnov test (Note 5)   (meta.code;src.var)
  Ocorr (char) Optical association (Note 6)   (meta.code)
  Dist arcsec Distance from galaxy center (pos.angDistance)
  n_Dist (char) [b] Indicates Dist is within the D25 ellipse (meta.note)
  Flag (char) Remarks (Note 7)   (meta.code.error)
  f_Bct (char) [≤ ] Limit flag on Bct (Note 1)   (meta.code)
  Bct ct (n) Net broad band (0.3-8keV) counts (phot.count;em.X-ray)
  e_Bct ct (n) Error in Bct (stat.error)
  S1ct ct (n) Net soft 1 band (0.3-0.9keV) counts (phot.count;em.X-ray)
  e_S1ct ct (n) Error in S1ct (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  S2ct ct (n) Net soft 2 band (0.9-2.5keV) counts (phot.count;em.X-ray)
  e_S2ct ct (n) Error in S2ct (stat.error)
  Sct ct (n) Net soft band (0.3-2.5keV) counts (phot.count;em.X-ray)
  e_Sct ct (n) Error in Sct (stat.error)
  Hct ct (n) Net hard band (2.5-8keV) counts (phot.count;em.X-ray)
  e_Hct ct (n) Error in NHct (stat.error)
  Scct ct (n) Net conventional soft band (0.5-2keV) counts (phot.count;em.X-ray)
  e_Scct ct (n) Error in Scct (stat.error)
  Hcct ct (n) Net conventional hard band (2-8keV) counts (phot.count;em.X-ray)
  e_Hcct ct (n) Error in NHcct (stat.error)
  HR  (n) Hardness ratio (Note 2)   (phot.flux;arith.ratio)
  e_HR  (n) Lower limit uncertainty in HR (stat.error)
  E_HR  (n) Upper limit uncertainty in HR (stat.error;stat.max)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  C21  (n) The C21 X-ray color (Note 3)   (phot.count;arith.ratio)
  e_C21  (n) Lower limit uncertainty in C21 (stat.error)
  E_C21  (n) Upper limit uncertainty in C21 (stat.error;stat.max)
  C32  (n) The C32 X-ray color (Note 4)   (phot.count;arith.ratio)
  e_C32  (n) Lower limit uncertainty in C32 (stat.error)
  E_C32  (n) Upper limit uncertainty in C32 (stat.error;stat.max)
  Signif  (n) Significance of change (Note 5)   (stat.fit.goodness)
  Braw ct (n) Raw broad band (0.3-8keV) source counts (phot.count;em.X-ray)
  Bbg ct (n) Raw broad band (0.3-8keV) background counts (instr.background)
  S1raw ct (n) Raw soft 1 band (0.3-0.9keV) source counts (phot.count;em.X-ray)
  S1bg ct (n) Raw soft 1 band (0.3-0.9keV) background counts (instr.background)
  S2raw ct (n) Raw soft 2 band (0.9-2.5keV) source counts (phot.count;em.X-ray)
  S2bg ct (n) Raw soft 2 band (0.9-2.5keV) background counts (instr.background)
  Hraw ct (n) Raw hard band (2.5-8keV) source counts (phot.count;em.X-ray)
  Hbg ct (n) Raw hard band (2.5-8keV) background counts (instr.background)
  Bcraw ct (n) Raw conventional broad band (0.5-8keV) source counts (phot.count;em.X-ray)
  Bcbg ct (n) Raw conventional broad band (0.5-8keV) background counts (instr.background)
  Scraw ct (n) Raw conventional soft band (0.5-2keV) source counts (phot.count;em.X-ray)
  Scbg ct (n) Raw conventional soft band (0.5-2keV) background counts (instr.background)
  Hcraw ct (n) Raw conventional hard band (2-8keV) source counts (phot.count;em.X-ray)
  Hcbg ct (n) Raw conventional hard band (2-8keV) background counts (instr.background)

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