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

  
J/AJ/98/2086
  CCD photometry of NGC 2257 RR Lyrae (Walker 1989)
ReadMe+ftp
1989AJ.....98.2086W
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/98/2086/variablesVariables in the field of NGC 2257 (tables 9 and 11 of the paper) (42 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)
  Star (char) Star number (Note 1)   (meta.id;meta.main)
  Per d Period (Note 1)   (time.period)
  Type (char) Variable type (meta.code;src.var)
  <Vmag> mag (n) Intensity mean V magnitude (phot.mag;em.opt.V)
  u_<Vmag> (char) Uncertainty flag on <Vmag> (meta.code.error;pos.cartesian.y)
  <Bmag> mag (n) Intensity mean B magnitude (phot.mag;em.opt.B)
  u_<Bmag> (char) Uncertainty flag on <Bmag> (meta.code.error)
  <B>-<V> mag (n) <Bmag> minus <Vmag> (phot.color;em.opt.B;em.opt.V)
  u_<B>-<V> (char) Uncertainty flag on <Bmag>-<Vmag> (meta.code.error;pos.cartesian.y)
  <B-V> mag (n) B-V magnitude mean (phot.color;em.opt.B;em.opt.V)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  u_<B-V> (char) Uncertainty flag on <B-V> (meta.code.error;phot.color;em.opt.B)
  AV mag (n) V amplitude (src.var.amplitude;em.opt.V)
  u_AV (char) Uncertainty flag on AV (meta.code.error)
  AB mag (n) B amplitude (src.var.amplitude;em.opt.B)
  u_AB (char) Uncertainty flag on AB (meta.code.error)
  Rise  (n) Rise time to maximum (in phase units) (phot.flux;arith.ratio)
  u_Rise (char) Uncertainty flag on Rise (meta.code.error)
  Phase  (n) Phase at the maximum light (time.phase)
  SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
  _RA deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
  _DE deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)

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