VizieR

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

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/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/table3(c)Basic information of the 41,996 H{alpha} emission line stars (41996 rows)
2.J/ApJS/280/24/table4(c)Basic information of the 4,255 YSO candidates and the 78 sources potentially contaminated by LPV (4333 rows)
Help Xmatch is

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortJoin tables
more join
Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)OBSID  (i) [588903058/1127014206] LAMOST observation identifier (meta.id;obs)
  (1)YSOc (char) data for the YSO candidates and potentially LPV contaminated sources (link to Table 4) (meta.ref.url)
   (ALL)LAMOST (char) LAMOST designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
   (ALL)RAJ2000 deg (i) Right Ascension (J2000) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 deg (i) [-11/88.5] Declination (J2000) (pos.eq.dec;meta.main)
   (ALL)Gaia  (n) Gaia DR3 identifier (meta.id.cross)
  (1)OType (char) Type from SIMBAD cross-matching (src.class)
  (1)Type (char) Type from visual inspection (Note 1)   (src.class)
  (1)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
  (2)f_OBSID (char) [*?] Flag on OBSID (Note 1)   (meta.code)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)[NII]   [0/1] Detection of the [NII]6548+6583A lines (1=line was observed; 0=not detected) (meta.code)
  (2)[OI]   [0/1] Detection of the [OI]6300+6364A lines (1=line was observed; 0=not detected) (meta.code)
  (2)HeI   [0/1] Detection of the HeI6678A line (1=line was observed; 0=not detected) (meta.code)
  (2)[SII]   [0/1] Detection of the [SII]6717+6731A lines (1=line was observed; 0=not detected) (meta.code)
  (2)EW 0.1nm [-242.7/0] H{alpha} equivalent width; Angstroms (spect.line.eqWidth)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  
elapse time 0