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/254/20
  Stellar groups in Taurus field from Gaia DR2 & LAMOST (Liu+, 2021)
ReadMe+ftp
2021ApJS..254...20L
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/254/20/table2(c)A list of the groups identified in this work (22 rows)
2.J/ApJS/254/20/table1(c)A list of members in each group (630 rows)
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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)Group  (i) [1/22] Group number (meta.id;meta.main)
  (1)Nm   [7/57] Number of members (meta.number)
  (1)Nspt   [0/55] Number of members with literature spectral types (Note 1)   (meta.number)
  (1)OName (char) Other name for Group (Note 2)   (meta.id)
  (1)RAJ2000 deg (i) Mean Group Right Ascension (J2000) (pos.eq.ra;meta.main)
  (1)DEJ2000 deg (i) Mean Group Declination (J2000) (pos.eq.dec;meta.main)
  (1)pmRA mas/yr [-2.4/24] Mean Group proper motion, Right Ascension (pos.pm;pos.eq.ra)
  (1)pmDE mas/yr [-37/-14] Mean Group proper motion, Declination (pos.pm;pos.eq.dec)
   (ALL)Dist pc [109/211] Mean Group distance (pos.distance;pos.heliocentric)
  (1)E_Dist pc [3/15] Upper uncertainty on Dist (stat.error;stat.max)

ALL cols		    
 (i)indexed column
  (1)e_Dist pc [2/22] Lower uncertainty on Dist (stat.error)
  (1)Age1 Myr [2/49] Age, individual extinction(s) (Note 3)   (time.age)
  (1)Age2 Myr [2/59] Age, group extinction (Note 4)   (time.age)
   (ALL)AJ mag [0.02/0.6] Mean Group J-band extinction (phys.absorption)
  (2)Seq   [1/630] Sequential running number (meta.id)
  (2)Name (char) Object name (meta.id;meta.main)
  (2)RA_ICRS deg (i) [55/90] Right Ascension (ICRS) at Epoch=J2000 (Note 1)   (pos.eq.ra;meta.main)
  (2)DE_ICRS deg (i) [12/32.5] Declination (ICRS) at Epoch=J2000 (Note 1)   (pos.eq.dec;meta.main)
  (2)SpT (char) Spectral type (src.spType)
  (2)r_SpT  (n) [1/14] Spectral type reference (Note 2)   (meta.ref;pos.frame)
  (2)Mm (char) Status of membership (Note 3)   (meta.code.member)
  (2)Disk  (n) [5/18] References for disk signatures (Note 2)   (meta.bib)
  (2)f_Disk (char) [f] Flags on unconfirmed stars (Note 4)   (meta.code)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)EWHa 0.1nm (n) [1/271.3] LAMOST Hα equivalent widths, in Angstroms units (spect.line.eqWidth;spect.line)
  (2)TTS (char) [CW] Classical or Weak-lined T-Tauri categorization (Note 5)   (meta.note)
  (2)E19  (n)Display data from Esplin+ 2019, J/AJ/158/54 within 1" (meta.ref.url)
  (2)R20  (n)Display data from Roccatagliata+, 2020, J/A+A/638/A85 within 3" (meta.ref.url)
  (2)Gaia (char) Display the Gaia DR2 data (I/345) within 3" (meta.ref.url)
  (2)LAMOST (char) Display the LAMOST DR4 (V/153) and DR5 (V/164) within 1" (meta.ref.url)
  (2)2M (char) Display 2MASS data (Cat. II/246) within 3" (meta.ref.url)
  (2)SimbadName (char) (n)Designation understandable by the Simbad data-base (meta.id)
  (2)_RA.icrs deg (n)(i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
  (2)_DE.icrs deg (n)(i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)

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