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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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J/ApJ/675/464
  Chandra observations of NGC 2244 (Wang+, 2008)
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img(gal)
1.J/ApJ/675/464/catalog(c)Chandra Main and Secondary Catalog (919 rows)
2.J/ApJ/675/464/table4X-ray spectroscopy for photometrically selected sources: thermal plasma fits (588 rows)
3.J/ApJ/675/464/table5X-ray spectroscopy for photometrically selected sources: power law fits (42 rows)
4.J/ApJ/675/464/table6Stellar counterparts (919 rows)

 
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)Cat (char) sources from Main or Secondary catalog (meta.id)
   (ALL)Seq  (i) Source Sequence number; sorted by RA (Note 1)   (meta.id)
   (ALL)CXOU (char) Source IAUC designation; HHMMSS.ss+DDMMSS.s (meta.id;meta.main)
  (1)epos arcsec Estimated random component of position error (Note 2)   (stat.error)
  (1)OffAng arcmin Off-axis angle (instr.offset)
  (1+2+3)Ncts ct Estimated net 0.5-8keV band extracted counts (phot.count;em.X-ray)
  (1)e_Ncts ct Average 1σ error in Ncts (phot.count;em.X-ray)
  (1)Bcts ct Background 0.5-8keV band extracted counts (phot.count;em.X-ray)
  (1)Hcts ct Estimated net 2-8keV band extracted counts (phot.count;em.X-ray)
  (1)PSF  Fraction of PSF (at 1.497keV) within extraction region (Note 3)   (instr.det.psf;obs.field;arith.ratio)

ALL cols
    
 (i)indexed column
  (1+2+3)Signi  Photometric significance (Note 4)   (stat.fit.goodness;phot)
  (1)l_logPB (char) Limit flag on logPB (meta.code.error)
  (1)logPB [-] Log probability that all 0.5-8keV counts from background (Note 5)   (stat.probability)
  (1)Anom (char) Source anomalies (Note 6)   (meta.code)
  (1)Var (char) Variability characterization (Note 7)   (meta.code;src.var)
  (1)Exp ks Effective exposure time (Note 8)   (time.duration;obs.exposure)
  (1)Emed keV Background-corrected median 0.5-8keV photon energy (em.energy)
  (1)RAJ2000 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
  (1)DEJ2000 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
  (2+3)e_logNH [cm-2] (n) Lower 90% confidence interval in logNH (Note G2)   (stat.error)
  (2+3)logNH [cm-2] Log of best fit column density (Note 3)   (phys.columnDensity;meta.modelled)
  (2)f_logNH (char) [i] Indicates logNH frozen in the fits (meta.code)
  (2+3)E_logNH [cm-2] (n) Upper 90% confidence interval in logNH (Note G2)   (stat.error;stat.max)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)e_kT keV (n) Lower 90% confidence interval in kT (Note G2)   (stat.error;phys.energy)
  (2)kT keV Best fit plasma temperature (Note 3)   (phys.temperature;meta.modelled)
  (2)f_kT (char) [i] Indicates kT frozen in the fits (meta.code)
  (2)E_kT keV (n) Upper 90% confidence interval in kT (Note G2)   (stat.error;stat.max)
  (2)e_logEM [cm-3] (n) Lower 90% confidence interval in logEM (Note G2)   (stat.error)
  (2)logEM [cm-3] Log of emission measure of model spectrum (Note 3)   (phys.emissMeasure;meta.modelled)
  (2)E_logEM [cm-3] (n) Upper 90% confidence interval in logEM (Note G2)   (stat.error;stat.max)
  (2+3)logS [10-7W] (n) Log of 0.5-2keV band luminosity (phys.luminosity)
  (2+3)logH [10-7W] Log of 2-8keV band luminosity (phys.luminosity)
  (2+3)logHc [10-7W] Log of absorption-corrected 2-8keV band luminosity (Note G4)   (phys.luminosity)
  (2+3)logT [10-7W] Log of 0.5-8keV band luminosity (phys.luminosity)
  (2+3)logTc [10-7W] (n) Log of absorption-corrected 2-8keV band luminosity (Note G4)   (phys.luminosity)
  (2+4)Notes (char) Additional notes (Note 5)   (meta.note)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)e_gamma keV (n) Lower 90% confidence interval in gamma (Note G2)   (stat.error)
  (3)gamma keV Best fit power law photon index (Note 3)   (spect.index)
  (3)E_gamma keV (n) Upper 90% confidence interval in gamma (Note G2)   (stat.error;stat.max)
  (3)e_logNor [cm-3] (n) Lower 90% confidence interval in logNor (Note G2)   (stat.error)
  (3)logNor [cm-3] Log of model power law normalization (Note 3)   (stat.fit.param)
  (3)E_logNor [cm-3] (n) Upper 90% confidence interval in logNor (Note G2)   (stat.error;stat.max)
  (4)USNO (char) Source USNO B1.0 (I/284) designation; NNNN-NNNNNNN (meta.id.cross)
  (4)MJD95  (n) Massey et al. (1995, Cat. J/ApJ/454/151) ID (meta.id.cross)
  (4)PS02  (n) Park & Sung (2002AJ....123..892P) ID, <Cl* NGC 2244 PS NNN in Simbad (meta.id.cross)
  (4)BC02  (n) Berghofer & Christian (2002, Cat. J/A+A/384/890) ID, [BC2002] NNN (meta.id.cross)
  (4)Umag mag (n) The U band magnitude (phot.mag;em.opt.U)
  (4)Bmag mag (n) The B band magnitude (phot.mag;em.opt.B)
  (4)Vmag mag (n) The V band magnitude (phot.mag;em.opt.V)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (4)Rmag mag (n) The R band magnitude (phot.mag;em.opt.R)
  (4)Imag mag (n) The I band magnitude (phot.mag;em.opt.I)
  (4)Hamag mag (n) The Hα band magnitude (phot.flux;em.line.Halpha)
  (4)2MASS (char) Source 2MASS (II/246) designation; HHMMSSss+DDMMSSs (meta.id.cross)
  (4)FLAM (char) The FLAMINGOS (Section 3.1) ID, HHMMSS+DDMMSS (meta.id.cross)
  (4)Jmag mag (n) 2MASS J band magnitude (phot.mag;em.IR.J)
  (4)Hmag mag (n) 2MASS H band magnitude (phot.mag;em.IR.H)
  (4)Ksmag mag (n) 2MASS KS band magnitude (phot.mag;em.IR.K)
  (4)Q2Flag (char) The 2MASS photometric quality flags (Note 1)   (meta.code.qual;phot)

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