VizieR

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

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
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**** Report from: stdb_pg,     Status: STDB_ERR 
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**** Report from: stdb_conn_dbms,     Status: STDB_ERR 
****No server is available for connection
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****db1_relink(0): connection was not opened
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****db1_relink(0): connection was not opened
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****Bad db number: -1
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****db1_relink(0): connection was not opened
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****Bad db number: -1
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If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR2589662.err (2026-08-13T02:01:31)
-3
-source=J/A+AS/126/21/table1
-ref=VIZ6a7d257b2783de
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