VizieR

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

VizieR

  
J/ApJS/181/605
  Catalog of X-ray sources in NGC 4278 (Brassington+, 2009)
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2009ApJS..181..605B
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Post annotation 		img(gal)
1.J/ApJS/181/605/XobsSource counts, hardness ratios, color-color values and variability for the individual observations (tables 5-10 of paper) (1416 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)
  Obs  (n)observation number (meta.id)
  [BFK2009]  Master identification number (meta.id;meta.main)
  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)
  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)

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

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  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)
  v1 (char) Short-term variability: Bayesian block analysis (meta.code;src.var)
  v2 (char) Short-term variability: Komogorov-Smirnov test (meta.code;src.var)
  Signif  (n) Significance of change (Note 5)   (stat.fit.goodness)
  f_logLX (char) [≤ ] Limit flag on LogLX (Note 1)   (meta.code)
  logLX [10-7W] (n) Log 0.3-0.8keV luminosity (Note 6)   (phys.luminosity;em.X-ray)
  n_logLX (char) [i ] Indicates infinite value (for table 7) (meta.note)

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