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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

  
J/ApJ/508/491
  M101 Cepheids (Stetson+, 1998)
ReadMe+ftp
1998ApJ...508..491S
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/508/491/table3Variable coordinates, periods, and mean magnitudes (255 rows)
Original positions off by -0.4s and +1''

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)
  [SSF98]  (i) Identification number ([SSF98] VNNN in Simbad) (meta.id;meta.main)
  DoPhot (char) indicates that a comparison DoPHOT-ALLFRAME exists in table5 (meta.ref.url)
  Chip   [1/4] WFPC2 chip number (meta.id;instr)
  Xpos pix X position (pos.cartesian.x;instr.det)
  Ypos pix Y position (pos.cartesian.y;instr.det)
  Per d Period (time.period)
  e_Per d rms uncertainty on Per (stat.error)
  <Vmag> mag Mean V magnitude (F555W) (phot.mag;em.opt.V)
  e_<Vmag> mag rms uncertainty on <Vmag> (stat.error;phot.mag;em.opt.V)
  <Imag> mag Mean I magnitude (I814W) (phot.mag;em.opt.I)
  e_<Imag> mag rms uncertainty on <Imag> (stat.error;phot.mag;em.opt.I)
  _RA deg (i) Position, recomputed by VizieR (about 2arcsec from original position) (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Position, recomputed by VizieR (about 2arcsec from original position) (declination part) (pos.eq.dec;meta.main)

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