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/AJ/126/539
  The Chandra Deep Fields North and South (Alexander+, 2003)
ReadMe+ftp
2003AJ....126..539A
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/126/539/cdfn-jnl(c)*Journal of Chandra Deep Field North observations (Note) (20 rows)
2.J/AJ/126/539/cdfn(c)CDF-N Main Chandra Catalog (Tables 3 of paper) (503 rows)
3.J/AJ/126/539/cdfn-sup(c)CDF-N Supplementary Optically Bright Chandra Catalog (Tables 7 of paper) (79 rows)
4.J/AJ/126/539/cdfs-jnl(c)*Journal of Chandra Deep Field South observations (Note) (11 rows)
5.J/AJ/126/539/cdfs(c)CDF-S Main Chandra Catalog (Tables A2 of paper) (326 rows)
6.J/AJ/126/539/cdfs-sup(c)CDF-S Supplementary Optically Bright Chandra Catalog (Tables A3 of paper) (42 rows)
Help Xmatch is

Simple ConstraintList Of Constraints
 
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+4)ObsID (char) Observation identification number (meta.id;obs)
  (1+4)Obs "Y:M:D" Date of the beginning of observation (time.epoch)
  (1+4)ExpTime ks Exposition time (Note 1)   (time.duration;obs.exposure)
   (ALL)RAJ2000 "h:m:s" (i) Aim point right ascension (J2000.0) (Note 2)   (pos.eq.ra;meta.main)
   (ALL)DEJ2000 "d:m:s" (i) Aim point declination (J2000.0) (Note 2)   (pos.eq.dec;meta.main)
  (1+4)Roll deg Roll angle (Note 3)   (instr.offset)
  (1+4)Mode (char) Observation mode (F = Faint mode ; VF = Very Faint mode) (instr.setup)
  (1+4)Pipeline (char) Version of the CXC pipeline software used for basic processing of the data (meta.software)
  (2+5)[ABB2003]  Source number (Note G1)   (meta.id;meta.main)
  (2+3+5+6)PosErr arcsec Position error (80%-90% confidence level) (stat.error)

ALL cols		    
 (i)indexed column
  (2+3+5+6)OAngle arcmin Off-axis angle (instr.offset)
  (2+3+5+6)l_C0.5-8 (char) Limit flag on C0.5-8 (meta.code.error)
  (2+3+5+6)C0.5-8 ct The 0.5-8.0 keV band counts (phot.count;em.X-ray)
  (2+5)E_C0.5-8 ct (n) The upper 1 σ error in C0.5-8 (stat.error)
  (2+3+5+6)e_C0.5-8 ct (n) The lower 1 σ error in C0.5-8 (stat.error)
  (2+3+5+6)f_C0.5-8 (char) Flag on C0.5-8 (Note 2)   (meta.code.error)
  (2+3+5+6)l_C0.5-2 (char) Limit flag on C0.5-2 (meta.code.error)
  (2+3+5+6)C0.5-2 ct The 0.5-2 keV band counts (phot.count;em.X-ray)
  (2+5)E_C0.5-2 ct (n) The upper 1 σ error in C0.5-2 (stat.error)
  (2+3+5+6)e_C0.5-2 ct (n) The lower 1 σ error in C0.5-2 (stat.error)
  (2+3+5+6)f_C0.5-2 (char) Flag on C0.5-2 (Note 2)   (meta.code.error)
  (2+3+5+6)l_C2-8 (char) Limit flag on C2-8 (meta.code.error)
  (2+3+5+6)C2-8 ct The 2-8 keV band counts (phot.count;em.X-ray)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2+3+5+6)E_C2-8 ct (n) The upper 1 σ error in C2-8 (stat.error)
  (2+5)e_C2-8 ct (n) The lower 1 σ error in C2-8 (stat.error)
  (2+3+5+6)f_C2-8 (char) Flag on C2-8 (Note 2)   (meta.code.error)
  (2+3+5+6)l_C0.5-1 (char) Limit flag on C0.5-1 (meta.code.error)
  (2+3+5+6)C0.5-1 ct The 0.5-1 keV band counts (phot.count;em.X-ray)
  (2+5)E_C0.5-1 ct (n) The upper 1 σ error in C0.5-1 (stat.error)
  (2+3+5+6)e_C0.5-1 ct (n) The lower 1 σ error in C0.5-1 (stat.error)
  (2+3+5+6)f_C0.5-1 (char) Flag on C0.5-1R (Note 2)   (meta.code.error)
  (2+3+5+6)l_C1-2 (char) Limit flag on C1-2 (meta.code.error)
  (2+3+5+6)C1-2 ct The 1-2 keV band counts (phot.count;em.X-ray)
  (2+5)E_C1-2 ct (n) The upper 1 σ error in C1-2 (stat.error)
  (2+3+5+6)e_C1-2 ct (n) The lower 1 σ error in C1-2 (stat.error)
  (2+3+5+6)f_C1-2 (char) Flag on C1-2 (Note 2)   (meta.code.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2+3+5+6)l_C2-4 (char) Limit flag on C2-4 (meta.code.error)
  (2+3+5+6)C2-4 ct The 2-4 keV band counts (phot.count;em.X-ray)
  (2+5)E_C2-4 ct (n) The upper 1 σ error in C2-4 (stat.error)
  (2+3+5+6)e_C2-4 ct (n) The lower 1 σ error in C2-4 (stat.error)
  (2+3+5+6)f_C2-4 (char) Flag on C2-4 (Note 2)   (meta.code.error)
  (2+3+5+6)l_C4-8 (char) Limit flag on C4-8 (meta.code.error)
  (2+3+5+6)C4-8 ct The 4-8 keV band counts (phot.count;em.X-ray)
  (2+5)E_C4-8 ct (n) The upper 1 σ error in C4-8 (stat.error)
  (2+3+5+6)e_C4-8 ct (n) The lower 1 σ error in C4-8 (stat.error)
  (2+3+5+6)f_C4-8 (char) Flag on C4-8 (Note 2)   (meta.code.error)
  (2+3+5+6)Notes (char) Notes on the source (Note 3)   (meta.note)
  (2+3+5+6)Exp ks Effective exposure (Note 4)   (time.duration;obs.exposure)
  (2+5)l_Ratio1 (char) Limit flag on Ratio1 (meta.code.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2+5)Ratio1  (n) F(2-8)/F(0.5-2) count-rate ratio (Note 5)   (phot.flux;arith.ratio)
  (2+5)E_Ratio1  (n) The upper 1 σ error in Ratio1 (Note 6)   (stat.error)
  (2+5)e_Ratio1  (n) The lower 1 σ error in Ratio1 (Note 6)   (stat.error)
  (2+5)l_Sp+Index (char) Limit flag on Sp+Index (meta.code.error)
  (2+5)Sp+Index  Power-law model effective photon index (Note 7)   (spect.index)
  (2+5)f_Sp+Index (char) Flag on Sp+Index (Note 8)   (meta.code.error)
  (2+5)E_Sp+Index  (n) The upper 1 σ error in Sp+Index (stat.error)
  (2+5)e_Sp+Index  (n) The lower 1 σ error in Sp+Index (stat.error)
  (2+3+5+6)l_F0.5-8 (char) Limit flag on F0.5-8 (meta.code.error)
  (2+3+5+6)F0.5-8 10-18W/m2Flux in the 0.5-8.0 keV band (Note 9)   (phot.flux;em.X-ray)
  (2+3+5+6)l_F0.5-2 (char) Limit flag on F0.5-2 (meta.code.error)
  (2+3+5+6)F0.5-2 10-18W/m2Flux in the 0.5-2 keV band (Note 9)   (phot.flux;em.X-ray)
  (2+3+5+6)l_F2-8 (char) Limit flag on F2-8 (meta.code.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2+3+5+6)F2-8 10-18W/m2Flux in the 2-8 keV band (Note 9)   (phot.flux;em.X-ray)
  (2+3+5+6)l_F0.5-1 (char) Limit flag on F0.5-1 (meta.code.error)
  (2+3+5+6)F0.5-1 10-18W/m2Flux in the 0.5-1 keV band (Note 9)   (phot.flux;em.X-ray)
  (2+3+5+6)l_F1-2 (char) Limit flag on F1-2 (meta.code.error)
  (2+3+5+6)F1-2 10-18W/m2Flux in the 1-2 keV band (Note 9)   (phot.flux;em.X-ray)
  (2+3+5+6)l_F2-4 (char) Limit flag on F2-4 (meta.code.error)
  (2+3+5+6)F2-4 10-18W/m2Flux in the 2-4 keV band (Note 9)   (phot.flux;em.X-ray)
  (2+3+5+6)l_F4-8 (char) Limit flag on F4-8 (meta.code.error)
  (2+3+5+6)F4-8 10-18W/m2Flux in the 4-8 keV band (Note 9)   (phot.flux;em.X-ray)
  (2+5)l_Ratio2 (char) Limit flag on Ratio2 (meta.code.error)
  (2+5)Ratio2  (n) F(1-2)/F(0.5-1) count-rate ratio (Note 3)   (phot.flux;arith.ratio)
  (2+5)E_Ratio2  (n) The upper 1 σ error in Ratio2 (Note 4)   (stat.error)
  (2+5)e_Ratio2  (n) The lower 1 σ error in Ratio2 (Note 4)   (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2+5)l_Ratio3 (char) Limit flag on Ratio3 (meta.code.error)
  (2+5)Ratio3  (n) F(4-8)/F(2-4) count-rate ratio (Note 3)   (phot.flux;arith.ratio)
  (2+5)E_Ratio3  (n) The upper 1 σ error in Ratio3 (Note 4)   (stat.error)
  (2+5)e_Ratio3  (n) The lower 1 σ error in Ratio3 (Note 4)   (stat.error)
  (2+5)l_Ratio4 (char) Limit flag on Ratio4 (meta.code.error)
  (2+5)Ratio4  (n) F(2-4)/F(1-2) count-rate ratio (Note 3)   (phot.flux;arith.ratio)
  (2+5)E_Ratio4  (n) The upper 1 σ error in Ratio4 (Note 4)   (stat.error)
  (2+5)e_Ratio4  (n) The lower 1 σ error in Ratio4 (Note 4)   (stat.error)
  (3+6)[ABB2003] (char) Source number (Note G1)   (meta.id;meta.main)
  (3+6)RAo "h:m:s" Optical hour of right ascension (J2000) (pos.eq.ra)
  (3+6)DEo "d:m:s" Optical degree of declination (J2000) (pos.eq.dec)
  (3+6)O-X arcsec The optical and X-ray source offset (pos.angDistance)
  (3+6)Rmag mag The Vega-based R-band magnitude (phot.mag;em.opt.R)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (3+6)FProb  (n) The false-match probability (Note 3)   (stat.fit.goodness)

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