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/ApJ/837/42
  N/O ratio of dwarf galaxies from SDSS (Douglass+, 2017)
ReadMe+ftp
2017ApJ...837...42D
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/837/42/table1Analyzed dwarf galaxies (135 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);meta.version;arith.diff;phys.veloc)
  Seq   [63713/2496108] KIAS-VAGC galaxy index number (Note 1)   ((unassigned);meta.version;arith.diff;spect.line.veloc;arith)
  f_Seq (char) [e] e= extreme low-metallicity dwarf galaxy; flag added by CDS (following table 3) (Note 2)   ((unassigned);meta.version;arith.diff;pos.eq.dec)
  RAJ2000 "h:m:s" Hour of Right Ascension (J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  DEJ2000 "d:m:s" Degree of Declination (J2000) ((unassigned);meta.version;arith.diff;(unassigned);arith)
  zsp   [0.02/0.03] Spectroscopic redshift, SDSS DR7 ((unassigned);meta.version;arith.diff;pos.parallax;meta.main)
  rMag mag [-17/-16.3] Absolute r band magnitude (Note 1)   ((unassigned);(unassigned);(unassigned);(unassigned))
  O/H [-] [7/9] The 12+log(O/H) abundance (Note 3)   ((unassigned);meta.version;arith.diff;phys.polarization.stokes.Q)
  e_O/H [-] [0.02/0.7] Uncertainty in O/H (Note 3)   ((unassigned);(unassigned);(unassigned);time.age;phys.polarization.stokes.U)
  N/H [-] [6/7.5] The 12+log(N/H) abundance (Note 3)   (spect.index;phys.atmol;stat.min;phys.polarization.stokes.Q)
  e_N/H [-] [0.02/0.4] Uncertainty in N/H (Note 3)   ((unassigned);pos.precess;(unassigned);time.age;phys.polarization.stokes.U)
  N/O [-] [-2/-0.6] The log(N/O) abundance (Note 3)   ((unassigned);phys.polarization;arith.diff;phys.polarization.stokes.Q)
  e_N/O [-] [0.03/0.8] Uncertainty in N/O (Note 3)   ((unassigned);(unassigned);(unassigned);time.age;phys.polarization.stokes.U)
  Loc (char) Location code ("Void" (42 occurrences); "Wall" (89 occurrences) or "Uncertain") (Note 4)   ((unassigned);(unassigned);(unassigned);phys.atmol.sweight;meta.main)
  DR12  Display data from the SDSS-DR12 photometric catalog (Alam+, 2015, V/147) within 1" ((unassigned);obs.atmos.extinction;arith.factor;pos.geocentric)
  Sloan  Display the online SDSS data for the nearest object ((unassigned);(unassigned);(unassigned);pos.geocentric)
  SimbadName (char) Designation understandable by the Simbad data-base ((unassigned);meta.version;arith.diff;spect.line.veloc)
  NED  ask the NED data-base about this object ((unassigned);meta.version;arith.diff;pos.geocentric)

ALL cols		    
 (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=846546351 Where phase=3 and catid=18370042
**** 
**** --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/VR3570783.err (2026-10-28T23:45:50)
-3
-source=J/ApJ/837/42
-ref=VIZ6ae2892f367c5f
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