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J/A+A/533/A121
  Missing low-mass stars in S254-S258 (Mucciarelli+, 2011)
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1.J/A+A/533/A121/catalogChandra catalog: basic source properties, X-ray fluxes and cross-correlation with optical and IR catalogs (tables 2, 3 and 5 of paper) (Note) (364 rows)

 
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)
  Seq  X-ray catalog sequence number, sorted by RA. (meta.id;meta.main)
  n_Seq (char) [*] indicates brighter sources having spectral fit (slightly different) in table 4 of paper (meta.note)
  CXOU (char) IAU J designation (HHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  Flux2 ph/cm2/s Incident full band [0.5-8.0]keV flux from AE software, calculated using the scalar mean of the ancillary response function (ARF) (phot.flux;em.X-ray)
  logLh [10-7W] (n) Apparent hard band [2.0-8.0]keV luminosity (phys.luminosity;em.X-ray)
  logLhc [10-7W] (n) Intrinsic hard band [2.0-8.0]keV luminosity (corrected for absorption) (phys.luminosity;em.X-ray)
  logLt [10-7W] (n) Apparent full band [0.5-8.0]keV luminosity (phys.luminosity;em.X-ray)
  logLtc [10-7W] (n) Intrinsic full band [0.5-8.0]keV luminosity (phys.luminosity;em.X-ray)
  ePos arcsec Estimated standard deviation of the random component of the position error (Note 1)   (stat.stdev)
  theta arcmin Off-axis angle (instr.offset)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  Ct ct Net counts extracted in the total energy band (0.5-8keV) (phot.count;em.X-ray)
  e_Ct ct Average of upper and lower 1σ errors (stat.error)
  Ct.bg ct Background counts expected in the source extraction region (total band) (phot.count;em.X-ray)
  Ct.h ct Net counts extracted in the hard energy band (2-8keV) (phot.count;em.X-ray)
  f.PSF  Fraction of the PSF (at 1.497keV) enclosed within the extraction region (Note 2)   (instr.det.psf)
  Signi  Photometric significance computed as net counts divided by the upper error on net counts (meta.note)
  l_logPb (char) Limit flag on logPb (meta.code.error)
  logPb  Logarithmic probability that extracted counts (total band) are solely from background (Note 3)   (stat.fit.goodness)
  Anom (char) [geps ] Source anomalies (only 'g' present) (Note 4)   (meta.note)
  Var (char) [abc] Variability characterization based on K-S statistic (c=variable, total band) (Note 5)   (meta.code;src.var)
  Texp ks Effective exposure time (Note 6)   (time.duration;obs.exposure)
  Emed keV Background-corrected median photon energy (total band) (em.energy)
  DSS (char) [y-] Optical counterpart in at least the DSS red image (meta.code)
  2M (char) [JHK-] Counterpart in the 2MASS catalog in the J, H or K band (meta.code)
  C08 (char) [y-] Counterpart in the Spitzer catalog from Chavarria et al. (2008, Cat. J/ApJ/682/445) (meta.code)
  Class  (n)IR classification is reported when available (Note 7)   (src.class)
  SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
  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)

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