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. ((unassigned);meta.version;arith.diff;phys.veloc)
   (ALL)ID (char) Star name ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
   (ALL)RA1950 "h:m:s" Right ascension 1950.0 ((unassigned);meta.version;arith.diff;(unassigned);arith)
   (ALL)DE1950 "d:m:s" Declination 1950.0 ((unassigned);meta.version;arith.diff;(unassigned);arith)
   (ALL)Vmag mag V magnitude ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
   (ALL)B-V mag B-V colour ((unassigned);meta.version;arith.diff;pos.healpix;(unassigned);(unassigned);(unassigned))
   (ALL)o_B-V  (n) []? Number of observations in B and V ((unassigned);meta.version;arith.diff;src.var)
   (ALL)n_o_B-V (char) A '*' indicates BV data derived from transformed Stroemgren photometry ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
   (ALL)DM  Hydrogen line width index ((unassigned);(unassigned);(unassigned);phys.atmol.element;meta.main)
   (ALL)Class (char) Classification BHB = blue horizontal branch, ? = unknown ((unassigned);meta.version;arith.diff;phys.atmol.sweight;meta.main)
   (ALL)RV km/s Heliocentric radial velocity ((unassigned);(unassigned);(unassigned);(unassigned);arith.diff;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)Dhel kpc (n) []? Estimated heliocentric distance ((unassigned);meta.version;arith.diff;em.UV.10-50nm)
   (ALL)Dgal kpc (n) []? Estimate galactocentric distance ((unassigned);meta.version;arith.diff;em.UV.10-50nm;AT_DIPOLE)
   (ALL)Note (char) Notes on the observations (Note 1)   ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
   (ALL)_RA.icrs "h:m:s" (n)(i) Right ascension (ICRS) (computed by VizieR, not part of the original data) ((unassigned);(unassigned);(unassigned);(unassigned))
   (ALL)_DE.icrs "d:m:s" (n)(i) Declination (ICRS) (computed by VizieR, not part of the original data) ((unassigned);obs.atmos.extinction;arith.factor;(unassigned))

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

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846445175 Where phase=3 and catid=41090171
**** 
**** --POSTGRES MSG db=0
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846445175 Where phase=3 and catid=41090171
**** 
**** --POSTGRES MSG db=0
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846445175 Where phase=3 and catid=41090171
**** 
**** --POSTGRES MSG db=0
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR235258.err (2026-10-27T19:39:32)
-3
-source=J/A+AS/109/171
-ref=VIZ6ae0fdf5396fa
elapse time 3