VizieR

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

VizieR

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J/A+AS/126/21
  Velocities and duplicity of F-type dwarfs (Nordstroem+ 1997)
ReadMe+ftp
1997A&AS..126...21N
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Post annotation 		img(gal)
1.J/A+AS/126/21/table1(c)Mean 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)
2.J/A+AS/126/21/table2(c)Mean radial velocities, luminosity ratios, and other derived parameters for 65 stars with double-lined or composite spectra (65 rows)
The column HD provides a link to the individual measurements (table6)
3.J/A+AS/126/21/table4List of stars which rotate too rapidly for usable radial-velocity measurements with the CfA instruments (73 rows)
4.J/A+AS/126/21/table5(c)Individual radial-velocity observations for the single-lined stars (2130 rows)
5.J/A+AS/126/21/table6(c)Individual radial-velocity observations for the double-lined stars (746 rows)

Simple ConstraintList Of Constraints
 
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)HD  (i) HD number of single-lined star (meta.id;meta.main)
   (ALL)m_HD (char) Visual binary component code (meta.code.multip)
  (1+2+4+5)RAJ2000 "h:m:s" (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  (1+2+4+5)DEJ2000 "d:m:s" (n)(i) Declination sign (pos.eq.dec;meta.main)
  (1+4)Teff K Effective temperature (Template spectrum parameter) (phys.temperature.effective)
  (1+4)logg [mm/s2] Surface gravity (Template spectrum parameter) (phys.gravity)
  (1+4)Vrot km/s Estimated rotational velocity, v sin i (phys.veloc.rotat)
  (1+2)Nobs  Number of observations (meta.number)
  (1+2)Span d Time span from first to last observation (time.interval)
  (1)<RV> km/s Mean radial velocity (phys.veloc;pos.heliocentric)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)e_<RV> km/s Mean error of mean radial velocity (stat.error)
  (1)sigExt km/s Standard deviation (external error) of the individual radial velocity observations (stat.stdev)
  (1)sigInt km/s Expected average (internal) error of a single radial velocity as computed by XCSAO (stat.error)
  (1)sigExt/sigInt  Ratio of external to internal errors (stat.error)
  (1)chi2  Chi-square of the data set for this star (stat.fit.param)
  (1)P(chi2) % Probability that chi^2 is due to observational errors of a true constant-velocity object (stat.fit.goodness)
  (1)<R>  Average goodness-of-fit parameter R, from XCSAO (stat.fit.goodness)
  (1)<height>  Average correlation height, from XCSAO (stat.correlation)
  (2+5)Teff1 K Synthetic template spectrum effective temperature, for component 1 in spectrum (phys.temperature.effective)
  (2+5)Vrot1 km/s Synthetic template spectrum rotational velocity, for component 1 in spectrum (phys.veloc.rotat)
  (2+5)Teff2 K Synthetic template spectrum effective temperature, for component 2 in spectrum (phys.temperature.effective)
  (2+5)Vrot2 km/s Synthetic template spectrum rotational velocity, for component 2 in spectrum (phys.veloc.rotat)
  (2+5)Alpha   Luminosity ratio (comp2/comp1) computed with TODCOR (see text) (phys.luminosity;arith.ratio)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)<V0> km/s Mean (systemic) radial velocity, V0 (phys.veloc;pos.heliocentric)
  (2)e_<V0> km/s Mean error of mean radial velocity (stat.error)
  (2)q   Mass ratio q (comp2/comp1) when available; see paper for methods of computation (phys.mass;arith.ratio)
  (2)e_q   Mean error of mass ratio (stat.error)
  (2)Rem (char) Remark on nature of system (Note 1)   (meta.note)
  (4)Tel (char) [WTM] Observatory code (Note 1)   (meta.id;instr.obsty)
  (4+5)Obs  Serial number of observation (meta.id)
  (4)Star (char) Associated star identification to serial number of observation (meta.number)
  (4)log[Fe/H] [Sun] Metal abundance (always solar = 00 here) (phys.abund)
  (4+5)HJD d Heliocentric Julian Date of observation (time.epoch)
  (4)RV km/s Radial velocity (phys.veloc;pos.heliocentric)
  (4)e_RV km/s Mean error of radial velocity as computed by XCSAO (stat.error)
  (4)R  Goodness-of-fit parameter R, from XCSAO (stat.fit.goodness)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (4+5)height  Correlation peak height, from XCSAO (stat.correlation)
  (5)n_Alpha (char) [f] f if continuum ratio alpha (comp2/comp1) was determined by TODCOR for each observation (meta.note)
  (5)RV1 km/s Radial velocity of component 1 (phys.veloc;pos.heliocentric)
  (5)RV2 km/s Radial velocity of component 2 (phys.veloc;pos.heliocentric)
  (5)L2/L1  Luminosity ratio (comp2/comp1), see above (stat.fit.param)

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