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  A combined Chandra & LAMOST study of stellar activity (He+, 2019)
Post annotation
1.J/ApJ/871/193/table1X-ray information for the 484 stars in our sample (1084 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)
  CXOGSG (char) Object identifier from Wang+ 2016, J/ApJS/224/40 (;meta.main)
  ObsID   [13/16543] Chandra observation identifier (;obs.param;obs)
  Det (char) Chandra ACIS detector (meta.note)
  Exp s [128/189850] Chandra exposure time after deadtime correction (time.duration;obs.exposure)
  MJD d [51439/56755] Modified Julian Date at the beginning of observation (JD-2400000.5) (time.epoch)
  VigF   [0.008/1.1] Vignetting factor (instr.param)
  l_CR (char) Limit flag on CR (Note 1)   (meta.code.error)
  CR 10+3ct/s (n) [0.02/177] Net count rate, 0.5-7keV (phot.count;em.X-ray)
  e_CR 10+3ct/s (n) [0.02/9.7] Lower uncertainty in CR (stat.error)
  u_e_CR (char) Uncertainty flag on e_CR (Note 2)   (meta.code.error)
  E_CR 10+3ct/s (n) [0.04/9.7] Upper uncertainty in CR (stat.error;stat.max)
  l_Flux (char) Limit flag on Flux (Note 1)   (meta.code.error;phot.flux)
  Flux 10-15mW/m2(n) [0.01/848] Absorbed X-ray flux, 0.5-7keV in 10–15erg/cm2/s units (phot.flux;em.X-ray)
  e_Flux 10-15mW/m2(n) [0.01/47] Lower uncertainty in Flux (stat.error;phot.flux)
  u_e_Flux (char) Uncertainty flag on e_Flux (Note 2)   (meta.code.error)
  E_Flux 10-15mW/m2(n) [0.02/47] Upper uncertainty in Flux (stat.error;stat.max)

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