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

  
II/20A
  UBV Photometry of O and B Stars in Vela (Denoyelle 1977)
ReadMe+ftp
1977A&AS...27..343D
Similar Catalogs
Post annotation 		img(gal)
1.II/20A/catalog(c)Results (table 3 of the paper), completed with accurate position and designation (381 rows)
2.II/20A/remarksOriginal remarks (added in July 2016) (120 rows)
3.II/20A/notesRemarks about star identifications in the course of position retrieval (added in July 2016) (44 rows)

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);(unassigned);(unassigned);phys.veloc)
   (ALL)m_Seq  (n) [1/5] Multiplicity index to star (time.age;phys.atmol.qn.L;arith.grad;pos.posAng)
   (ALL)Seq   [1/358] Running number ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  (1)HD  (n) HD number ((unassigned);(unassigned);(unassigned);spect.line.veloc)
  (1)CPD (char) Cape Photographic Durchmusterung (or CD) (pos.galactic.lon;phys.atmol.qn.I;arith.grad;spect.line.veloc)
  (1)n_CPD (char) [ *] * = Cordoba Durchmusterung designation ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.orbital)
  (1)GLON deg Galactic longitude ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);meta.main)
  (1)GLAT deg Galactic latitude ((unassigned);phys.veloc.orbital;arith.diff;AT_ELEC-COEFF)
  (1)Vmag mag (n) [2.4/14.5] V magnitude ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;(unassigned);(unassigned))
  (1)u_Vmag (char) [ ()] Uncertainty flag for V ((unassigned);phys.veloc.orbital;arith.diff;pos.galactic.lon)
  (1)B-V mag (n) (B-V) color index ((unassigned);phys.veloc.orbital;arith.diff;pos.healpix;(unassigned);(unassigned);(unassigned))

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)u_B-V (char) [ (] Uncertainty flag for B-V ((unassigned);phys.veloc.orbital;arith.diff;pos.galactic.lon;pos.healpix;(unassigned);(unassigned))
  (1)U-B mag (n) (U-B) color index ((unassigned);(unassigned);(unassigned);pos.healpix;(unassigned);(unassigned);(unassigned))
  (1)u_U-B (char) [ (] Uncertainty flag for U-B ((unassigned);(unassigned);(unassigned);pos.galactic.lon;pos.healpix;(unassigned);(unassigned))
  (1)Sp (char) MK or HD spectral classification ((unassigned);phys.veloc.orbital;arith.diff;pos.posAng;meta.main)
  (1)r_Sp  (n) [1,8] Number of the source for MK Dp. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.dispersion)
  (1)em (char) [ E] E = H{alpha} emission noted on red plates ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.orbital)
  (1)Sp2 (char) Spectral type obtained from Q method ((unassigned);(unassigned);(unassigned);pos.posAng;meta.main)
  (1)Q mag (n) Q parameter = (U-B)-0.72 (B-V) ((unassigned);phys.veloc.orbital;arith.diff;spect.dopplerVeloc.radio)
  (1)E(B-V) mag (n) (B-V) colour excess ((unassigned);(unassigned);(unassigned);pos.lsr)
  (1)A(V) mag (n) A(V) parameter = 3E(B-V) ((unassigned);(unassigned);(unassigned);phys.dust)
  (1)m-M mag (n) Distance modulus ((unassigned);phys.veloc.orbital;arith.diff;em.freq.cutoff)
  (1)R pc (n) Distance of the star (time.lifetime;(unassigned);arith.factor;em.UV.10-50nm;arith;meta.main)
  (1)Z pc Distance from the galactic plane [R*sin(GLAT)] ((unassigned);(unassigned);(unassigned);(unassigned);AT_COLL_STRENGTH)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Nobs  Number of observations ((unassigned);(unassigned);(unassigned);src.var)
  (1)rem (char) [ *] comment in file "remarks.dat" ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  (1)RAJ2000 "h:m:s" (n) Right Ascension J2000, Ep=J2000 ((unassigned);phys.veloc.orbital;arith.diff;(unassigned))
  (1)DEJ2000 "d:m:s" (n) Declination J2000, Ep=J2000 ((unassigned);phys.veloc.orbital;arith.diff;(unassigned))
  (1)f_Sname (char) * indicates an insecure identification, and N a note about the identification ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (1)Sname (char) Name understandable by Simbad ((unassigned);phys.abund.Y;arith.diff;spect.line.veloc)
  (1)Name2 (char) Other name ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc)
  (1)_RA.icrs deg (n)(i) Right ascension (ICRS) (computed by VizieR, not part of the original data) ((unassigned);(unassigned);(unassigned);(unassigned))
  (1)_DE.icrs deg (n)(i) Declination (ICRS) (computed by VizieR, not part of the original data) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned))
  (2+3)Text (char) Text of note (original notes in "remarks.dat", notes added at CDS about problematic star identification in "notes.dat") ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)

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:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846436779 Where phase=3 and catid=2020
**** 
**** --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=846436779 Where phase=3 and catid=2020
**** 
**** --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/VR108998.err (2026-10-27T17:19:37)
-3
-source=II/20A
-ref=VIZ6ae0dd2a1a9c6
elapse time 2