VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .
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VizieR

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/281/65
  Halpha emission-line stars from LAMOST MRS DR7 (Yu+, 2025)
ReadMe+ftp
2025ApJS..281...65Y
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/281/65/table3Catalogue of H{alpha} emission line stars (56664 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)
  LAMOST (char) LAMOST designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  m_LAMOST  (n)Number of spectra for this target (meta.number)
  OName (char) Source ID from SIMBAD (meta.id)
  RAJ2000 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) [-10/79] Declination (J2000) (pos.eq.dec;meta.main)
  FileName (char) FITS file name of LAMOST-MRS (meta.id;meta.file)
  Flags (char) Morphological categories of H{alpha} lines (Note 1)   (meta.code.error)
  Type (char) Object classification reported in literature (meta.code.class;src.class)
  HII (char) Projected on HII regions? Y=Yes, N=No (meta.code)
  [NII] (char) Presence of [NII] emission? Y=Yes, N=No (meta.code)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  lamB 0.1nm (n) [6548/6552] Central wavelength of [NII] line at blue side; Angstroms (em.wl.central;spect.line)
  lamR 0.1nm (n) [6583/6587] Central wavelength of [NII] line at red side; Angstroms (em.wl.central;spect.line)
  lam1 0.1nm (n) [6558.6/6571] Central wavelength of first peak; Angstroms (em.wl.central;stat.max)
  lam2 0.1nm (n) [6559/6571] Central wavelength of second peak; Angstroms (em.wl.central;stat.max)
  lam3 0.1nm (n) [6561.8/6571] Central wavelength of third peak; Angstroms (em.wl.central;stat.max)
  lam4 0.1nm (n) [6564.2/6571] Central wavelength of fourth peak; Angstroms (em.wl.central;stat.max)
  lamErr 0.1nm (n) [0.0016/0.5] Statistical error of central wavelength; Angstroms (stat.error;em.wl.central)
  Amp1  (n) [0/279.5] Amplitude of first peak (src.var.amplitude)
  Amp2  (n) [0.05/50.1] Amplitude of second peak (src.var.amplitude)
  Amp3  (n) [0.05/1.3] Amplitude of third peak (src.var.amplitude)
  Amp4  (n) [0.28/0.93] Amplitude of fourth peak (src.var.amplitude)
  AmpErr  (n) [0.04/0.3] Statistical error of amplitude (stat.error;src.var.amplitude)
  w1 0.1nm (n) [0.3/5.6] Width of first peak; Angstroms (spect.line.width)
  w2 0.1nm (n) [0.3/4.7] Width of second peak; Angstroms (spect.line.width)
  w3 0.1nm (n) [0.3/5.8] Width of third peak; Angstroms (spect.line.width)
  w4 0.1nm (n) [0.9/2.9] Width of fourth peak; Angstroms (spect.line.width)
  wErr 0.1nm (n) [0.04/0.54] Statistical error of width; Angstroms (stat.error;spect.line.width)
  SNR  (n) [0/999] Signal-to-noise ratio (stat.snr)

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