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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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J/AJ/170/144
  GTC catalog of cluster members in the W51A region (Dawson+, 2025)
ReadMe+ftp
2025AJ....170..144D
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/170/144/table3(c)Gran Telescopio Canarias (GTC) catalog (11946 rows)
2.J/AJ/170/144/tablea1(c)Catalog of cross-matched Gaia sources used to correct world coordinate system (WCS) offset (100 rows)
3.J/AJ/170/144/tableb1(c)NACO Ks-band source catalog of W51 IRS2 (198 rows)
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Simple ConstraintList Of Constraints
 
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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)
  (1)ID (char) Source ID (meta.id;meta.main)
   (ALL)RAJ2000 "h:m:s" (i) Hour of right ascension (J2000) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 "d:m:s" (i) Degree of declination (J2000) (pos.eq.dec;meta.main)
  (1+2)Jmag mag (n) [8.3/26.7] Apparent J-band magnitude (phot.mag;em.IR.J)
  (1)e_Jmag mag (n) [1e-3/3443] Uncertainty in Jmag (stat.error;phot.mag;em.IR.J)
  (1+2)Hmag mag (n) [6.7/25.7] Apparent H-band magnitude (phot.mag;em.IR.H)
  (1)e_Hmag mag (n) [3e-4/91464] Uncertainty in Hmag (stat.error;phot.mag;em.IR.H)
   (ALL)Ksmag mag (n) [6.1/28.3] Apparent Ks magnitude (phot.mag;em.IR.K)
  (1+3)e_Ksmag mag (n) [5e-4/5672] Uncertainty in Ksmag (stat.error;phot.mag;em.IR.K)
  (1)AV mag (n) [0.03/53.6] Average extinction (phys.absorption;stat.mean)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)e_AV mag (n) [0.02/854796] Uncertainty in AV (stat.error;phys.absorption)
  (1)AVmin mag (n) [-35.1/45.2] Minimum extinction (phys.absorption;stat.min)
  (1)AVmax mag (n) [5.2/73.2] Maximum extinction (phys.absorption;stat.min)
  (1)M1 Msun (n) [0.09/275] Mass estimate at 1 Myr (phys.mass)
  (1)e_M1 Msun (n) [0/137.3] Uncertainty in mass1 (stat.error;phys.mass)
  (1)M1min Msun (n) [0.09/275] Minimum mass at 1 Myr (phys.mass;stat.min)
  (1)M1max Msun (n) [0.09/275] Maximum mass at 1 Myr (phys.mass;stat.max)
  (1)M2 Msun (n) [0.09/93] Mass estimate at 2 Myr (phys.mass)
  (1)e_M2 Msun (n) [0/46.4] Uncertainty in mass2 (stat.error;phys.mass)
  (1)M2min Msun (n) [0.09/93] Minimum mass at 2 Myr (phys.mass;stat.min)
  (1)M2max Msun (n) [0.09/93] Maximum mass at 2 Myr (phys.mass;stat.max)
  (1)M3 Msun (n) [0.09/55.3] Mass estimate at 3 Myr (phys.mass)
  (1)e_M3 Msun (n) [0.01/27.5] Uncertainty in mass3 (stat.error;phys.mass)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)M3min Msun (n) [0.09/55.3] Minimum mass at 3 Myr (phys.mass;stat.min)
  (1)M3max Msun (n) [0.09/55.2] Maximum mass at 3 Myr (phys.mass;stat.max)
  (1)Notes (char) Additional notes (Note 1)   (meta.note)
  (1)2MASS  (n)Link to 2MASS (II/246) data for sources within 1.5" (meta.ref.url)
  (1)UKIDSS  (n)Link to UKIDSS DR6 GPS (II/316) data for sources within 1.5" (meta.ref.url)
  (2+3)Offset arcsec [0.01/1.3] Gaia offset (pos;arith.diff)
  (2)GaiaDR3  Gaia DR3 (I/355) source ID (meta.id.assoc)
  (3)Match (char) GTC matched? (Yes/No) (Note 1)   (meta.code)

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