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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/308
  UBV photoelectric photometry of Cepheids (Mitchell+ 1964)
ReadMe+ftp
1964BOTT....3..153M
Similar Catalogs
timeSerie
Post annotation 		img(gal)
1.II/308/stars(c)Stars observed, with basic parameters from Simbad and pulsation periods from GCV[timeSerie] (349 rows)
2.II/308/bottObservations (tables 1 and 2) (9787 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. (meta.record)
   (ALL)Name (char) (i) Star name (GCVS) (meta.id;meta.main)
  (1)Nobs  (n)Number of observations for this star (meta.number)
  (1)RAICRS "h:m:s" (i) Simbad Right Ascension (ICRS, Ep=J2000) (pos.eq.ra;meta.main)
  (1)DEICRS "d:m:s" (i) Simbad Declination (ICRS, Ep=J2000) (pos.eq.dec;meta.main)
  (1)OT (char) Simbad object classification (Note 1)   (meta.code.class;src.class)
  (1)Bmag mag (n) Simbad B band magnitude (phot.mag;em.opt.B)
   (ALL)Vmag mag (n) Simbad V band magnitude (phot.mag;em.opt.V)
  (1)Jmag mag (n) Simbad J band magnitude (phot.mag;em.IR.J)
  (1)Kmag mag (n) Simbad K band magnitude (phot.mag;em.IR.K)
  (1)SpType (char) Simbad MK spectral type (src.spType)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Per d (n) [0.4/99] Pulsation period, from GCVS (B/gcvs) (time.period)
  (1)u_Per (char) [:] uncertainty flag on Period (meta.code.error)
  (1)LC (char) Plot the light curve (meta.ref.url)
  (1)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
  (1)_RA.icrs "h:m:s" (n)(i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
  (1)_DE.icrs "d:m:s" (n)(i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  (2)JDobs d Observation Julian date (time.epoch)
  (2)B-V mag Johnson (B-V) colour index (phot.color;em.opt.B;em.opt.V)
  (2)U-B mag (n) Johnson (U-B) colour index (phot.color;em.opt.U;em.opt.B)
  (2)u_ref (char) [-] A minus sign indicates observations with lower weight (frequently on the U-B) (meta.code.error;pos.frame)
  (2)ref   [1/21] Reference number (Note 1)   (meta.id)
  (2)f_ref (char) [*] indicates an unconfirmed observation (Note 2)   (meta.code)

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