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  Star beyond the NLTT catalog (Reid+, 2007)
Post annotation
1.J/AJ/133/2825/table4Chromospheric and coronal activity (178 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)
  d20 (char) [<>I] Distance <20pc (<) or beyond (>), or I for inactive star. (meta.note)
  n_d20 (char) [*] Star close to 20pc (Note G1)   (meta.note)
  2M (char) Truncated 2MASS name (HHMM+DDMMA) (;meta.main)
  l_EW (char) Limit flag on EW (meta.code.error;spect.line.eqWidth)
  EW 0.1nm (n) Hα equivalent width in Angstroms (spect.line.eqWidth;em.line.Halpha)
  l_logHa (char) Limit flag on logf (meta.code.error)
  logHa [mW/m2] (n) Log of Hα flux in erg/cm2/s (phot.flux;em.line.Halpha)
  logHa/bol [-] (n) Log of Hα/bolometric fluxes (phys.luminosity;arith.ratio)
  bolmag mag Bolometric magnitude (phot.mag.bol)
  logX [mW/m2] (n) Log of X-ray flux in erg/cm2/s (phot.flux;em.X-ray)
  HR1  (n) First hardness ratio (Note 3)   (phot.flux;arith.ratio)
  HR2  (n) Second hardness ratio (Note 3)   (phot.flux;arith.ratio)
  logX/bol [-] (n) Log of X-Ray/bolometric fluxes (phys.luminosity;arith.ratio)
  f_logX/bol (char) Remark related to X-ray (Note 4)   (meta.code)
  1RXS (char) ROSAT Bright Source catalog identification (
  Note (char) Additional notes (Note 5)   (meta.note)

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