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/250/17
  NGVS. XXXIV. Ultracompact dwarf galaxies in Virgo (Liu+, 2020)
ReadMe+ftp
2020ApJS..250...17L
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/250/17/ucdsPhotometric properties (Table 3) and structural properties and other information (Table 4) for ultracompact dwarf (UCD) candidates (828 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. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
  Seq   [1/828] Sequential identification number ((unassigned);(unassigned);(unassigned);spect.line.veloc)
  Name (char) Ultracompact dwarf (UCD) galaxy name ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc)
  NGVS (char) Object name in NGVS catalog (JHHMMSS.ss+DDMMSS.s) ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
  Tobs (char) Exposure time (l=long exposure data; s=short exposure data) ((unassigned);em.wl.effective;stat.min;pos.eq.dec)
  RAJ2000 deg [181.71/193.37] Right Ascension (J2000) ((unassigned);stat.error;arith.factor;(unassigned);arith)
  DEJ2000 deg [4.84/18.19] Declination (J2000) (time.equinox;(unassigned);arith.factor;(unassigned);arith)
  E(B-V) mag [0.016/0.07] Galactic extinction according to Schlegel+ 1998ApJ...500..525S (obs.param;obs.atmos;arith.factor;pos.lsr)
  g0mag mag [15.3/21.5] Galactic extinction-corrected, aperture-corrected CFHT g-band magnitude (Note 1)   ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  e_g0mag mag [0/0.014] Uncertainty in g0mag ((unassigned);phys.veloc.orbital;arith.diff;time.age;stat.probability)
  Kmag mag (n) [11.99/19.03] UKIDSS K-band magnitude (Note 2)   ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  e_Kmag mag (n) [0.001/0.35] Uncertainty in Kmag ((unassigned);phys.veloc.orbital;arith.diff;time.age;stat.probability)
  (u*-g)0 mag (n) [-0.16/1.76] u*-g color index (Note 3)   ((unassigned);(unassigned);(unassigned);pos.healpix;(unassigned);(unassigned);(unassigned))
  e_(u*-g)0 mag (n) [0.001/0.03] Uncertainty in (u*-g)0 ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (g-i)0 mag (n) [-1.23/1.35] g-i color index (Note 3)   ((unassigned);(unassigned);(unassigned);pos.healpix;(unassigned);(unassigned);(unassigned))
  e_(g-i)0 mag (n) [0.001/0.017] Uncertainty in (g-i)0 ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  (g-z)0 mag [-1.18/1.67] g-z color index (Note 3)   ((unassigned);(unassigned);(unassigned);pos.healpix;(unassigned);(unassigned);(unassigned))
  e_(g-z)0 mag [0.001/0.05] Uncertainty in (g-z)0 ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  Denv mag [-2.11/0.69] Envelop parameter {Delta}env (Note 4)   ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;instr.background)
  UCD?   [0/1] Object flag (1=confirmed or possible UCD; 0=contaminant) ((unassigned);phys.veloc.orbital;arith.diff;pos.eq.dec)
  BMAG mag (n) [-15.3/-9.2] Absolute B band magnitude (Note 5)   ((unassigned);phys.veloc.orbital;arith.diff;(unassigned))
  VMAG mag (n) [-14.6/-8.6] Absolute V band magnitude (Note 5)   ((unassigned);phys.veloc.orbital;arith.diff;(unassigned))
  rh pc [11/96.7] Weighted mean half-light radius (Note 6)   ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);spect.dopplerVeloc.radio;meta.main)
  e_rh pc [0.01/9.1] Uncertainty in rh ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  Mstar [Msun] [5.3/8.9] log of stellar mass ((unassigned);(unassigned);(unassigned);(unassigned))
  HRV km/s (n) [-420/222826] Heliocentric radial velocity (Note 7)   ((unassigned);(unassigned);(unassigned);(unassigned);arith.diff;meta.main)
  r_HRV (char) Source for HRV (Note 8)   ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.dispersion;€?**ucdid=0**?)
  Cl   [1/6] Class parameter (Note 9)   ((unassigned);phys.veloc.orbital;arith.diff;pos.galactic)
  Env   [0/1] Envelope (1=has obvious envelope) ((unassigned);phys.luminosity.fun;arith.diff;pos.eq.dec)
  Meth (char) Selection method (Note 10)   ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  OName (char) Altenative names, if available ((unassigned);(unassigned);(unassigned);spect.line.veloc)
  UKIDSS  Display the UKIDSS DR9 data (II/319) within 1" ((unassigned);(unassigned);(unassigned);pos.geocentric)
  SimbadName (char) (n)Designation understandable by the Simbad data-base ((unassigned);(unassigned);(unassigned);spect.line.veloc)

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  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846456001 Where phase=3 and catid=22500017
**** 
**** --POSTGRES MSG db=1
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR476127.err (2026-10-27T22:40:00)
-3
-source=J/ApJS/250/17
-ref=VIZ6ae12841743df
elapse time 1