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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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  XMM observations of λ Ori cluster (Franciosini+, 2011)
Post annotation
1.J/A+A/530/A150/tablea1(c)X-ray sources detected in the λ Ori cluster (169 rows)
2.J/A+A/530/A150/table1X-ray and optical properties of sources identified with known cluster members and candidates (58 rows)
3.J/A+A/530/A150/table2X-ray sources identified with possible new cluster candidates (24 rows)
4.J/A+A/530/A150/tablea2(c)3σ upper limits and optical properties of undetected cluster members and candidates (78 rows)

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)
  (1)O (char) O indicates source with optical photometry in tables 1 or 2 (meta.ref.url)
   (1+2+3)LOX  (i) Sequential number (;meta.main)
  (1+4)RAJ2000 "h:m:s" (i) X-ray right ascension (J2000) (pos.eq.ra;meta.main)
  (1+4)DEJ2000 "d:m:s" (i) X-ray declination (J2000) (pos.eq.dec;meta.main)
  (1)Offaxis arcmin Offaxis (instr.offset)
  (1)Signi  Detection significance (;instr.saturation)
  (1+4)CRate ct/ks MOS-equivalent count rates in the 0.3-7.8keV band (phot.count;em.X-ray)
  (1)e_CRate ct/ks rms uncertainty on CRate (stat.error)
  (1+2+4)Ident (char) Cross-dentification (Note G1)   (
  (1)n_Ident (char) [e] Binarity (Note 2)   (meta.note)

ALL cols
 (i)indexed column
  (1)Offset arcsec (n) Offset between X-ray source and optical identification (pos;arith.diff)
  (1)Memb (char) Notes about membership (Note 3)   (meta.code.member)
  (2+3+4)logLX [10-7W] X-ray luminosity in the 0.3-8keV band (phys.luminosity;em.X-ray)
  (2+3)n_logLX (char) [*] * when derived from spectral fits (meta.note)
  (2+3+4)logX/b [-] X-ray-to-bolometric luminosity ratio (phys.luminosity;arith.ratio)
  (2+3+4)Vmag mag (n) V magnitude (phot.mag;em.opt.V)
  (2+3+4)Rmag mag (n) R magnitude (phot.mag;em.opt.R)
  (2+3+4)Imag mag (n) I magnitude (phot.mag;em.opt.I)
  (2+3+4)Jmag mag (n) J magnitude (phot.mag;em.IR.J)
  (2+3+4)Hmag mag (n) H magnitude (phot.mag;em.IR.H)
  (2+3+4)Ksmag mag (n) Ks magnitude (phot.mag;em.IR.K)
  (2+3+4)Mass Msun (n) Mass (phys.mass)
  (2+4)SpType (char) MK spectral type (src.spType)

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
  (2+4)Disc (char) Disc classification (Note G2)   (src.class)
  (2+4)Mm (char) [s] Membership code (Note G3)   (meta.code.member)
  (3)2MASS (char) 2MASS name (JHHMMSSss+DDMMSSs) (
  (3)n_Rmag (char) [*] Note on Rmag (Note 1)   (meta.note)
  (3)n_Imag (char) [*] Note on Imag (Note 1)   (meta.note)
  (3)f_logLX (char) [d] d when X-ray luminosity has been equally divided between the two stars (see text) (meta.code)
  (4)l_CRate (char) Limit flag on CRate (meta.code.error)
  (4)l_logLX (char) Limit flag on logLX (meta.code.error)
  (4)l_logX/b (char) Limit flag on logX/b (meta.code.error)
  (4)SimbadName (char) Designation understandable by the Simbad data-base (

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