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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

  Optical spectroscopy toward Orion B fields (Kounkel+, 2017)
Post annotation
1.J/ApJ/844/138/table1(c)Dates and configurations of the M2FS observations (6 rows)
2.J/ApJ/844/138/table2(c)Sources that were surveyed for the presence of LiI (439 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)
  (1)Cat (char) Catalog ID (NGC or "L" for LDN) (;meta.table)
   (ALL)Field   [1622/2068] Field identifier (as in table 2) (;obs.field)
  (1)Date "Y:M:D" (n)UT date of observation (time.epoch;obs)
   (ALL)RAJ2000 "h:m:s" (i) Hour of right ascension (J2000) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 "d:m:s" (i) Degree of declination (J2000) (pos.eq.dec;meta.main)
  (1)N   [3] Number of exposure time (meta.number)
  (1)Exp s [720/1800] Exposure time (xN) (time.duration;obs.exposure)
  (1)Filt (char) Filter(s) (;instr.filter)
  (1)Ns  (n)Number of sources toward this field (meta.number)
  (1)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
  (1)NED (char) ask the NED data-base about this object (meta.ref.url)
  (2)Seq (char) RV number (2533 to 2825 with 2734a,b and 2670a,b) (;meta.main)
  (2)RVel km/s (n) [-71/130] Radial velocity (phys.veloc;pos.heliocentric)
  (2)e_RVel km/s (n) [0.2/8.2] Uncertainty in RVel (stat.error;spect.dopplerVeloc)
  (2)R  (n) [2/33] Tonry & Davis 1979AJ.....84.1511T Signal-to-Noise R value (stat.correlation)
  (2)WLi 0.1nm (n) [0.1/0.9] Equivalent width of Li I (spect.line.eqWidth)
  (2)WHa 0.1nm (n) [-33/2.5] Equivalent width of Hα (Note 1)   (spect.line.eqWidth)
  (2)VHa km/s (n) [109/671] Hα velocity (spect.dopplerVeloc)
  (2)YSO (char) YSO type (Class III: 50 occurrences; Class II: 48 occurrences) (src.class)
  (2)f_YSO (char) [d] Flag on YSO (Note 2)   (meta.code)
  (2)RR? (char) Rapid rotator flag (Note 3)   (meta.code)
  (2)Teff K (n) [3500/7000] Effective temperature (phys.temperature.effective)
  (2)JD d Julian Date of observation (time.epoch)
  (2)Order (char) Order used for cross-correlation (meta.code;instr.filter)
  (2)2M (char) Display the 2MASS data (Cutri+ 2003, II/246) within 3" (meta.ref.url)
  (2)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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