VizieR

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

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/273/34
  YSOs from LAMOST DR9 using deep learning (Tan+, 2024)
ReadMe+ftp
2024ApJS..273...34T
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/273/34/table2(c)Basic information of the 76867 Hα emission line star candidates (76867 rows)
2.J/ApJS/273/34/table4(c)Basic information of 20530 YSO candidates (20530 rows)
Help Xmatch is

Simple ConstraintList Of Constraints
 
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)
   (ALL)LAMOST (char) LAMOST designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
   (ALL)RAJ2000 deg (i) LAMOST Right Ascension (J2000) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 deg (i) [-9.7/88.6] LAMOST declination (J2000) (pos.eq.dec;meta.main)
   (ALL)ObsID   [101094/914312180] LAMOST observation identifier (meta.id;obs)
   (ALL)SNR-g  (n) [0/999] LAMOST Signal-to-Noise in the g-band (stat.snr;em.opt.B)
   (ALL)SNR-u  (n) [0/499] LAMOST Signal-to-Noise in the u-band (stat.snr;em.opt.U)
   (ALL)SNR-z  (n) [0/999] LAMOST Signal-to-Noise in the z-band (stat.snr;em.opt.I)
   (ALL)SNR-r  (n) [0/999] LAMOST Signal-to-Noise in the r-band (stat.snr;em.opt.R)
   (ALL)SNR-i  (n) [0/999] LAMOST Signal-to-Noise in the i-band (stat.snr;em.opt.I)
  (1)SClass (char) Simbad cross-validation classification (src.class)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)DR7  (n)Display data from LAMOST DR7 LRS (V/156) (meta.ref.url)
  (1)YSO  (n)YSO candidate (link to Table 4) (meta.ref.url)
   (ALL)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
  (2)f_LAMOST (char) [*] Li I absorption line were observed in LAMOST (meta.code)
  (2)Ha  (n)Halpha emission line star candidate (link to Table 2) (meta.ref.url)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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