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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

  Hα emission stars in the Orion Nebula (Parsamian+, 1982)
Post annotation
1.II/309/catalogThe catalog of 534 Hα emission line stars in the region of Orion Nebula with updates by Brian Skiff (534 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. (meta.record)
  PaCh   [1/534] Sequential number (;meta.main)
  SName (char) Haro 4-NNNN or a SIMBAD-valid name (
  RAJ2000 "h:m:s" (i) Right ascension (J2000) (Note 3)   (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination (J2000) (Note 3)   (pos.eq.dec;meta.main)
  s (char) [CMUTSus-] Source of position (Note 4)   (meta.ref;pos.frame)
  mag mag V magnitude (from VizieR catalogs) (phot.mag;em.opt.V)
  n_mag (char) [V] (indicates visual photometry) (meta.note)
  em (char) [em? ] Indicates an emission (Note 5)   (meta.note)
  Rem (char) Remarks (by Brian Skiff) (meta.note)
  n_PaCh (char) [*] * indicates a note in notes.dat file (meta.note)

ALL cols
 (i)indexed column
  Var (char) Variable star in Ori (Kukarin 1969-1976, B/gcvs) (
  Par  (n) [18/2687] Parenago's number (1954, Cat. II/171) (
  Ton  (n) [1/495] Serial No of Hα emission stars in Tonantzintla's numeration, Haro 4-NNN (
  m_Ton (char) [a] Multiplicitiy index on Ton (meta.code.multip)
  RA1900 "h:m:s" Right Ascension 1900 (pos.eq.ra)
  DE1900 "d:m:s" Declination 1900 (pos.eq.dec)
  Max mag (n) Photographic magnitude at maximum if the star is a well-known variable (phot.mag)
  Min mag (n) Photographic magnitude at minimum if the star is a well-known variable (phot.mag)
  n_Min (char) [)v:] Uncertainty flag, or visual band (v) (meta.note)
  Type (char) Type of variability according to GCVS (meta.note)
  Vmag mag (n) V-band brightness of the star (Note 1)   (phot.mag;em.opt.V)
  B-V mag (n) B-V colour index of the star (Note 1)   (phot.color;em.opt.B;em.opt.V)
  u_B-V (char) Uncertainty flag on B-V (meta.code.error;phot.color;em.opt.B)
  U-B mag (n) U-B colour index of the star (Note 1)   (phot.color;em.opt.U;em.opt.B)
  SpType (char) MK spectral type of the star (src.spType)
  Ha (char) Intensity of the Hα emission line using Haro's scale (meta.code;spect.line.intensity)
  Ch   [1/10] Indicates the number by which the stars can be identified on the charts (obs.field)
  Ref (char) References (Note 2)   (meta.ref)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)

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