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/AJ/122/1486
  NGC 2451A proper motions and membership (Platais+, 2001)
ReadMe+ftp
2001AJ....122.1486P
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/122/1486/spmCatalog of positions, relative proper motions and BV photographic photometry in the region of open cluster NGC 2451 (5868 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)
  PKB  (i) Running identification number, Cl* NGC 2451 PKB NNNNN in Simbad (meta.id;meta.main)
  Xpos mm X position (Note 1)   (pos.cartesian.x;instr.plate)
  Ypos mm Y position (Note 1)   (pos.cartesian.y;instr.plate)
  RArad deg (i) Right ascension for the epoch 1991.25 and in the ICRS reference system (i.e. equinox 2000.0) (pos.eq.ra;meta.main)
  DErad deg (i) Declination for the epoch 1991.25 and equinox 2000.0 (pos.eq.dec;meta.main)
  e_RArad mas Estimated standard error in right ascension multiplied by cos(DE) (stat.error)
  e_DErad mas Estimated standard error in declination (stat.error)
  pmRA mas/yr Relative proper motion in right ascension multiplied by cos(DE) (pos.pm;pos.eq.ra)
  pmDE mas/yr Relative proper motion in declination (pos.pm;pos.eq.dec)
  o_Bmag  The number of grating images per star detected on blue plates (grating image pairs are counted as one image) (meta.number)

ALL cols		    
 (i)indexed column
  o_Vmag  The number of grating images per star on visual plates (meta.number)
  e_pmRA mas/yr Estimated standard error in right ascension's proper motion (stat.error;pos.pm;pos.eq.ra)
  e_pmDE mas/yr Estimated standard error in declination's proper motion (stat.error;pos.pm;pos.eq.dec)
  Bmag mag (n) Photographic B-magnitude (if missing then set to 0.00) (phot.mag;em.opt.B)
  e_Bmag mag Estimated standard error of B-magnitude (stat.error;phot.mag;em.opt.B)
  Vmag mag (n) Photographic V-magnitude (if missing then set to 0.00) (phot.mag;em.opt.V)
  e_Vmag mag Estimated standard error of V-magnitude (stat.error;phot.mag;em.opt.V)
  Vmagc mag (n) CCD V-magnitude (if missing then set to -1.000) (phot.mag;em.opt.V)
  B-Vc mag (n) CCD B-V color (if missing then set to -1.000) (phot.color;em.opt.B;em.opt.V)
  e_Vmagc mag IRAF generated error in CCD V-magnitude (stat.error;phot.mag;em.opt.V)
  e_B-Vc mag IRAF generated error in CCD B-V color (stat.error;phot.color;em.opt.B)
  Nframe  (n) [0/4] Number of frames per star (Note G1)   (meta.number)
  _RA.icrs deg (n)(i) Right ascension (ICRS) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.ra)
  _DE.icrs deg (n)(i) Declination (ICRS) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.dec)

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