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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

  
J/ApJS/280/24
  Halpha emission-line stars & YSOs from LAMOST MRS (Tan+, 2025)
ReadMe+ftp
2025ApJS..280...24T
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/280/24/table4Basic information of the 4,255 YSO candidates and the 78 sources potentially contaminated by LPV (4333 rows)

Simple ConstraintList Of Constraints
 
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)
  OBSID   [589105026/1126212122] LAMOST observation identifier (meta.id;obs)
  f_OBSID (char) [*?] Flag on OBSID (Note 1)   (meta.code)
  LAMOST (char) LAMOST designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  RAJ2000 deg (i) Right Ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) [-10/79.2] Declination (J2000) (pos.eq.dec;meta.main)
  Gaia  (n) Gaia DR3 identifier (meta.id.cross)
  [NII]   [0/1] Detection of the [NII]6548+6583A lines (1=line was observed; 0=not detected) (meta.code)
  [OI]   [0/1] Detection of the [OI]6300+6364A lines (1=line was observed; 0=not detected) (meta.code)
  HeI   [0/1] Detection of the HeI6678A line (1=line was observed; 0=not detected) (meta.code)
  [SII]   [0/1] Detection of the [SII]6717+6731A lines (1=line was observed; 0=not detected) (meta.code)
  EW 0.1nm [-242.7/0] H{alpha} equivalent width; Angstroms (spect.line.eqWidth)

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