VizieR

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

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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/589/225
  Chandra X-ray sources toward Galactic Center (Muno+, 2003)
ReadMe+ftp
2003ApJ...589..225M
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/589/225/table3Brightest point sources in the 17x17' field toward the Galactic center (2357 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)
  CXOGC (char) The IAU designation (meta.id;meta.main)
  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)
  Sep arcmin Offset from Sgr A* (pos.angDistance)
  Exp ks Live time on source (time.duration)
  FPSF  Fraction of PSF encompassed by source region (instr.det.psf)
  EPSF keV Energy at which PSF was estimated (phys.energy)
  Sct ct Total counts (0.5-2.0keV) in source region (phot.count;em.X-ray)
  Sbckg ct Estimated background (0.5-2.0keV) in source region (instr.background;obs.field)
  Sbsc  Ratio of areas of bkg and src regions, 0.5-2.0keV (Note 1)   (phys.area;instr)

ALL cols		    
 (i)indexed column
  SARF cm2 Mean value of effective area function, ARF (0.5-2.0keV) (phys.area;instr)
  M1ct ct Total counts (2.0-3.3keV) in source region (phot.count;em.X-ray)
  M1bckg ct Estimated background (2.0-3.3keV) in source region (instr.background;obs.field)
  M1bsc  Ratio of areas of bkg and src regions, (2.0-3.3keV) (Note 1)   (phys.area;instr)
  M1ARF cm2 Mean value of effective area function, ARF (2.0-3.3keV) (phys.area;instr)
  M2ct ct Total counts (3.3-4.7keV) in source region (phot.count;em.X-ray)
  M2bckg ct Estimated background (3.3-4.7keV) in source region (instr.background;obs.field)
  M2bsc  Ratio of areas of bkg and src regions, (3.3-4.7keV) (Note 1)   (phys.area;instr)
  M2ARF cm2 Mean value of effective area function, ARF (3.3-4.7keV) (phys.area;instr)
  Hct ct Total counts (4.7-8.0keV) in source region (phot.count;em.X-ray)
  Hbckg ct Estimated background (4.7-8.0keV) in source region (instr.background;obs.field)
  Hbsc  Ratio of areas of bkg and src regions, (4.7-8.0keV) (Note 1)   (phys.area;instr)
  HARF cm2 Mean value of effective area function, ARF (4.7-8.0keV) (phys.area;instr)

ALL cols		    
 (i)indexed column
  Fct ct Net counts in the full band F=0.5-8.0keV (phot.count;em.X-ray)
  l_e_Fct (char) Limit flag on e_Fct (meta.code.error)
  e_Fct ct Uncertainty or upper limit on Fct (stat.error)
  HR0  (n) Soft hardness ratio, M1-S/M1+S (Note 2)   (phot.flux;arith.ratio)
  e_HR0  (n) Lower uncertainty on HR0 (Note 3)   (stat.error)
  E_HR0  (n) Upper uncertainty on HR0 (Note 4)   (stat.error;stat.max)
  HR1  (n) Medium hardness ratioM2-M1/M2+M1 (Note 2)   (phot.flux;arith.ratio)
  e_HR1  (n) Lower uncertainty on HR1 (Note 3)   (stat.error)
  E_HR1  (n) Upper uncertainty on HR1 (Note 4)   (stat.error;stat.max)
  HR2  (n) Hard hardness ratio, H-M2/H+M2 (Note 2)   (phot.flux;arith.ratio)
  e_HR2  (n) Lower uncertainty on HR2 (Note 3)   (stat.error)
  E_HR2  (n) Upper uncertainty on HR2 (Note 4)   (stat.error;stat.max)
  SFlux 10-7ph/cm2/sPhoton flux (S=0.5-2.0keV) (phot.flux;em.X-ray)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  l_SFlux (char) Limit flag on e_SFlux (meta.code.error)
  e_SFlux 10-7ph/cm2/sUncertainty or upper limit on SFlux (stat.error)
  M1Flux 10-7ph/cm2/sPhoton flux (M1=2.0-3.3keV) (phot.flux;em.X-ray)
  l_e_M1Flux (char) Limit flag on e_M1Flux (meta.code.error)
  e_M1Flux 10-7ph/cm2/sUncertainty or upper limit on M1Flux (stat.error)
  M2Flux 10-7ph/cm2/sPhoton flux (M2=3.3-4.7keV) (phot.flux;em.X-ray)
  l_e_M2Flux (char) Limit flag on e_M2Flux (meta.code.error)
  e_M2Flux 10-7ph/cm2/sUncertainty or upper limit on M2Flux (stat.error)
  HFlux 10-7ph/cm2/sPhoton flux (H=4.7-8.0keV) (phot.flux;em.X-ray)
  l_e_HFlux (char) Limit flag on e_HFlux (meta.code.error)
  e_HFlux 10-7ph/cm2/sUncertainty or upper limit on HFlux (stat.error)

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