VizieR

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

VizieR

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/other/RAA/19.98
  X-ray activity from different types of stars (He+, 2019)
ReadMe+ftp
2019RAA....19...98H
Similar Catalogs
Post annotation 		img(gal)
1.J/other/RAA/19.98/table1The X-ray information for the sample sources (887 rows)
2.J/other/RAA/19.98/table2(c)Stellar parameters for the sample sources (1001 rows)

Simple ConstraintList Of Constraints
 
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. ((unassigned);meta.version;arith.diff;phys.veloc)
   (ALL)ObsID  Spectral ID in LAMOST catalog ((unassigned);meta.version;arith.diff;spect.line.veloc;arith)
  (1)FX mW/m2 Unabsorbed flux in band 0.3-3.5keV ((unassigned);(unassigned);(unassigned);meta.abstract;(unassigned);(unassigned))
  (1)e_FX mW/m2 rms uncertainty on FX ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (1)log(FX/FV) [-] X-ray to optical flux ratio ((unassigned);(unassigned);(unassigned);meta.abstract;instr.offset)
  (1)e_log(FX/FV) [-] rms uncertainty on log(FX/FV) ((unassigned);meta.version;arith.diff;time.age;meta.main)
  (1)HR  (n) EPIC HR using the bands of 0.5-1keV and 1-2keV derived from the 3XMM-DR5 catalog ((unassigned);meta.version;arith.diff;meta.abstract;instr.offset)
  (1)e_HR  (n) rms uncertainty on HR ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (2)Xdata (char) indicates X-ray information in table1 ((unassigned);(unassigned);(unassigned);pos.geocentric)
  (2)RAJ2000 deg Right ascension (J2000) ((unassigned);meta.version;arith.diff;(unassigned);arith)
  (2)DEJ2000 deg Declination (J2000) ((unassigned);meta.version;arith.diff;(unassigned);arith)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)Type (char) Stellar subclass ((unassigned);(unassigned);(unassigned);phys.atmol.sweight;meta.main)
  (2)Vmag mag V-band magnitude ((unassigned);meta.version;arith.diff;stat.filling;(unassigned);(unassigned))
  (2)e_Vmag mag rms uncertainty on Vmag ((unassigned);meta.version;arith.diff;time.age;stat.probability;(unassigned);(unassigned))
  (2)AV mag Extinction in the V band ((unassigned);(unassigned);(unassigned);phys.dust;(unassigned);(unassigned))
  (2)NH cm-2 Hydrogen column density converted from optical extinction ((unassigned);(unassigned);(unassigned);(unassigned))
  (2)Teff K Effective temperature ((unassigned);meta.version;arith.diff;em.radio)
  (2)e_Teff K rms uncertainty on Teff ((unassigned);(unassigned);(unassigned);time.age;em.radio.20-100MHz)
  (2)logg [cm/s2] Surface gravity ((unassigned);meta.version;arith.diff;(unassigned))
  (2)e_logg [cm/s2] rms uncertainty on logg ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (2)[Fe/H] [-] Metallicity ((unassigned);meta.version;arith.diff;pos.emergenceAng)
  (2)e_[Fe/H] [-] rms uncertainty on [Fe/H] ((unassigned);meta.version;arith.diff;time.age;phys.reflectance.bidirectional)

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