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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

  RIOTS4: spectroscopic survey of SMC field OB stars (Lamb+, 2016)
Post annotation
1.J/ApJ/817/113/table1(c)Runaways and Isolated O-Type Star Spectroscopic Survey of the SMC (RIOTS4) catalog (374 rows)
2.J/ApJ/817/113/table2(c)Additional UV-optically selected stars in the SMC bar (23 rows)
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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)
   (ALL)[M2002]   [107/84544] Massey 2002 (Cat. II/236) identifier (<[M2002] SMC NNNNN> in Simbad) (;meta.main)
   (ALL)Bmag mag [12.4/15.3] Massey 2002 (Cat. II/236) B band magnitude (phot.mag;em.opt.B)
   (ALL)Vmag mag [11.5/15.5] Massey 2002 (Cat. II/236) V band magnitude (phot.mag;em.opt.V)
   (ALL)Q   [-1.8/-0.8] The reddening-free QUBR parameter (QUBR=(U-R)-1.396*(B-R)) (phot.color.reddFree)
   (ALL)Av mag [0/2.1] The V band extinction (Note 1)   (phys.absorption;em.opt.V)
   (ALL)SpT (char) MK spectral type (src.spType)
   (ALL)f_SpT (char) [f] Flag on SpT (Note 2)   (meta.code)
   (ALL)RVel km/s (n) [44/395] Radial velocity (phys.veloc;pos.heliocentric)
   (ALL)RVelHI km/s (n) [97/215] The H I radial velocity (Note 3)   (phys.veloc;pos.heliocentric)
   (ALL)Inst (char) Instrument used in the observation (IMACS f/4; and IMACS f/2 or MIKE for table 1) (instr.setup;obs)

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)Date "Y:M:D" (n) UT date of the observation (time.epoch;obs)
   (ALL)Flag (char) [e] Multiple observation flag (Note 2)   (meta.code.error)
   (ALL)Z02  (n)Display data from Zaritsky+, 2002, J/AJ/123/855, within 1" (meta.ref.url)
   (ALL)O04 (char) Display data from Oey+, 2004, J/AJ/127/1632, within 1" (meta.ref.url)
   (ALL)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
   (ALL)_RA deg (i) Positions from Massey, 2002, Cat. II/236 (right ascension part) (pos.eq.ra;meta.main)
   (ALL)_DE deg (i) Positions from Massey, 2002, Cat. II/236 (declination part) (pos.eq.dec;meta.main)

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