VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN 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/109/171
  Blue horizontal branch stars catalog (Flynn+, 1995)
ReadMe+ftp
1995A&AS..109..171F
Similar Catalogs
Post annotation 		img(gal)
1.J/A+AS/109/171/table1(c)F117 field (l = 270deg, b = -45deg) (24 rows)
2.J/A+AS/109/171/table2(c)22h field (l = 38deg, b = -51deg) (46 rows)
3.J/A+AS/109/171/table3(c)SA287 field (l = 0deg, b = -47deg) (39 rows)
4.J/A+AS/109/171/table4(c)South Galactic Pole field (47 rows)
Help Xmatch is

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. (meta.record)
   (ALL)ID (char) Star name (meta.id;meta.main)
   (ALL)RA1950 "h:m:s" (i) Right ascension 1950.0 (pos.eq.ra;meta.main)
   (ALL)DE1950 "d:m:s" (i) Declination 1950.0 (pos.eq.dec;meta.main)
   (ALL)Vmag mag V magnitude (phot.mag;em.opt.V)
   (ALL)B-V mag B-V colour (phot.color;em.opt.B;em.opt.V)
   (ALL)o_B-V  (n) []? Number of observations in B and V (meta.number)
   (ALL)n_o_B-V (char) A '*' indicates BV data derived from transformed Stroemgren photometry (meta.note)
   (ALL)DM  Hydrogen line width index (spect.line.width)
   (ALL)Class (char) Classification BHB = blue horizontal branch, ? = unknown (src.class)
   (ALL)RV km/s Heliocentric radial velocity (spect.dopplerVeloc;pos.heliocentric)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)Dhel kpc (n) []? Estimated heliocentric distance (pos.distance)
   (ALL)Dgal kpc (n) []? Estimate galactocentric distance (pos.distance;pos.galactocentric)
   (ALL)Note (char) Notes on the observations (Note 1)   (meta.note)
   (ALL)_RA.icrs "h:m:s" (n)(i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
   (ALL)_DE.icrs "d:m:s" (n)(i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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