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/ApJS/2/389
  Observations of O and B stars (Hiltner, 1956)
ReadMe+ftp
1956ApJS....2..389H
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/2/389/table5(c)The catalog of O and B stars (1259 rows)
2.J/ApJS/2/389/notesRemarks to stars in table5 (212 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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more join
Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. ((unassigned))
   (ALL)Hilt  (i) [1/1259] Running number ((unassigned);(unassigned))
  (1)R (char) R indicates a remark, and M a modification (correction) of the original table ((unassigned))
  (1)HD  (n) HD or Extension number ((unassigned))
  (1)m_HD (char) Multiplicity on HD ((unassigned))
  (1)DM (char) BD or CD (δ←22) designation ((unassigned))
  (1)RAB1900 "h:m:s" Right Ascension B1900 ((unassigned))
  (1)DEB1900 "d:m:s" Declination B1900 ((unassigned))
  (1)phi deg [0/360] Galactic parallactic angle φ ((unassigned))
  (1)l_p (char) [<] Limit flag (<) on polarization ((unassigned))
  (1)p mag [0/0.22] Amount of polarization in magnitudes (Note 1)   ((unassigned))

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)t deg (n) [0/180] Position angle of the electric vector in equatorial coordinates θ ((unassigned);(unassigned))
  (1)t' deg (n) [0/180] Position angle of the electric vector in galactic frame θ'=θ+φ ((unassigned);(unassigned))
  (1)SpT (char) MK spectral type (from the literature, classified by W.W. Morgan, or by the author) ((unassigned))
  (1)Vmag mag Johnson V-band magnitude ((unassigned);(unassigned))
  (1)u_Vmag (char) [:*] uncertain or variable magnitude (see notes) ((unassigned))
  (1)B-V mag (n) Johnson (B-V) color ((unassigned);(unassigned);(unassigned))
  (1)U-B mag (n) Johnson (U-B) color ((unassigned);(unassigned);(unassigned))
  (1)Av mag (n) [0/11.1] Interstellar absorption Av=3E(B-V) (Note 2)   ((unassigned))
  (1)m mag (n) V-band magnitude corrected for interstellar absorption (=Vmag-Av) ((unassigned))
  (1)M mag (n) [-7/2] Absolute magnitude ((unassigned);(unassigned))
  (1)m-M mag (n) [4.8/14.6] Distance modulus ((unassigned))
  (1)p/Av  (n) interstellar polarization to absorption ratio ((unassigned))
  (1)Simbad (char) ask the Simbad data-base about this object ((unassigned))
  (1)_RA deg Position from Simbad (ICRS, at epoch=J2000) (right ascension part) ((unassigned);(unassigned))
  (1)_DE deg Position from Simbad (ICRS, at epoch=J2000) (declination part) ((unassigned);(unassigned))
  (2)Text (char) Text of note (Note 1)   ((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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If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR3961322.err (2025-06-08T22:49:22)
-3
-source=J/ApJS/2/389
-ref=VIZ684613723c71ea
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