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/A+AS/126/21
  Velocities and duplicity of F-type dwarfs (Nordstroem+ 1997)
ReadMe+ftp
1997A&AS..126...21N
Similar Catalogs
Post annotation 		img(gal)
1.J/A+AS/126/21/table1Mean radial velocities, mean errors, and variability indicators for 530 stars with single-lined spectra (530 rows)
The column HD provides a link to the individual measurements (table5)

Simple ConstraintList Of Constraints
 
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)
  HD  (i) HD number of single-lined star (meta.id;meta.main)
  m_HD (char) Visual binary component code (meta.code.multip)
  RAJ2000 "h:m:s" (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (n)(i) Declination sign (pos.eq.dec;meta.main)
  Teff K Effective temperature (Template spectrum parameter) (phys.temperature.effective)
  logg [mm/s2] Surface gravity (Template spectrum parameter) (phys.gravity)
  Vrot km/s Estimated rotational velocity, v sin i (phys.veloc.rotat)
  Nobs  Number of observations (meta.number)
  Span d Time span from first to last observation (time.interval)
  <RV> km/s Mean radial velocity (phys.veloc;pos.heliocentric)
  e_<RV> km/s Mean error of mean radial velocity (stat.error)
  sigExt km/s Standard deviation (external error) of the individual radial velocity observations (stat.stdev)
  sigInt km/s Expected average (internal) error of a single radial velocity as computed by XCSAO (stat.error)
  sigExt/sigInt  Ratio of external to internal errors (stat.error)
  chi2  Chi-square of the data set for this star (stat.fit.param)
  P(chi2) % Probability that chi^2 is due to observational errors of a true constant-velocity object (stat.fit.goodness)
  <R>  Average goodness-of-fit parameter R, from XCSAO (stat.fit.goodness)
  <height>  Average correlation height, from XCSAO (stat.correlation)

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