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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

  ubvyHβ photometry in NGC 1817 / 1807 (Balaguer-Nunez+ 2004)
Post annotation
1.J/A+A/426/827/table4Stroemgren photometry of stars in NGC 1817 area (7842 rows)

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.
  ID  Sequential identification number
  RAJ2000 "h:m:s" (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
  xpos arcmin x-frame coordinate in arcmin
  ypos arcmin y-frame coordinate in arcmin
  b-y mag (n) b-y color
  e_b-y mag (n) Error in b-y
  Vmag mag (n) Johnson V magnitude
  e_Vmag mag (n) Error in Vmag
  m1 mag (n) m1 = (u-b)-(b-y) color index
  e_m1 mag (n) Error in m1
  c1 mag (n) c1 = (u-v)-(v-b) color index
  e_c1 mag (n) Error in c1
  Hb mag (n) Stroemgren Hβ index
  e_Hb mag (n) Error in Hbeta
  Mem (char) Membership label (M: member, NM: non-member)

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