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/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/table5The catalog of O and B stars (1259 rows)

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. (meta.record)
  Hilt  (i) [1/1259] Running number (meta.id;meta.main)
  R (char) R indicates a remark, and M a modification (correction) of the original table (meta.ref.url)
  HD  (n) HD or Extension number (meta.id)
  m_HD (char) Multiplicity on HD (meta.code.multip)
  DM (char) BD or CD (δ←22) designation (meta.id)
  RAB1900 "h:m:s" Right Ascension B1900 (pos.eq.ra)
  DEB1900 "d:m:s" Declination B1900 (pos.eq.dec)
  phi deg [0/360] Galactic parallactic angle φ (pos.parallax)
  l_p (char) [<] Limit flag (<) on polarization (meta.code.error)
  p mag [0/0.22] Amount of polarization in magnitudes (Note 1)   (phys.polarization)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  t deg (n) [0/180] Position angle of the electric vector in equatorial coordinates θ (pos.posAng;phys.polarization)
  t' deg (n) [0/180] Position angle of the electric vector in galactic frame θ'=θ+φ (pos.posAng;phys.polarization)
  SpT (char) MK spectral type (from the literature, classified by W.W. Morgan, or by the author) (src.spType)
  Vmag mag Johnson V-band magnitude (phot.mag;em.opt.V)
  u_Vmag (char) [:*] uncertain or variable magnitude (see notes) (meta.code.error)
  B-V mag (n) Johnson (B-V) color (phot.color;em.opt.B;em.opt.V)
  U-B mag (n) Johnson (U-B) color (phot.color;em.opt.U;em.opt.B)
  Av mag (n) [0/11.1] Interstellar absorption Av=3E(B-V) (Note 2)   (phys.absorption)
  m mag (n) V-band magnitude corrected for interstellar absorption (=Vmag-Av) (phot.mag)
  M mag (n) [-7/2] Absolute magnitude (phys.magAbs;em.IR.4-8um)
  m-M mag (n) [4.8/14.6] Distance modulus (phot.mag.distMod)
  p/Av  (n) interstellar polarization to absorption ratio (stat.fit.param)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)
  _RA deg (i) Position from Simbad (ICRS, at epoch=J2000) (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Position from Simbad (ICRS, at epoch=J2000) (declination part) (pos.eq.dec;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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