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/743/77
  Extremely metal-poor (XMP) galaxies in SDSS (Morales-Luis+, 2011)
ReadMe+ftp
2011ApJ...743...77M
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/743/77/table1XMP candidates found by classifying all SDSS/DR7 galaxies according to their spectra around H{alpha} (32 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  Running sequence number ((unassigned);meta.version;arith.diff;spect.line.veloc;arith)
  f_Seq (char) [k] k: known XMP galaxies (the rest are new) ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  SDSS (char) SDSS-DR7 name (JHHMMSS.ss+DDMMSS.s) (Note 1)   ((unassigned);(unassigned);(unassigned);spect.line.veloc)
  gmag mag SDSS-DR7 g-band magnitude ((unassigned);meta.version;arith.diff;stat.filling;(unassigned);(unassigned))
  z  SDSS-DR7 redshift ((unassigned);meta.version;arith.diff;pos.parallax;meta.main)
  (O/H)  Oxygen abundance from SDSS: 12+log(O/H) (Note 2)   ((unassigned);(unassigned);(unassigned);phys.polarization.stokes.Q)
  (O/H)l  (n) Oxygen abundance: 12+log(O/H) (Note 3)   ((unassigned);meta.version;arith.diff;phys.polarization.stokes.Q)
  SpObjID  SDSS-DR7 unique spectrum identification ((unassigned);(unassigned);(unassigned);spect.line.veloc)
  Comm (char) Comment (sketch of galaxy shape) ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  DR7  Display details from SDSS-DR7 photometric catalog (stat.likelihood;obs.atmos;arith.factor;pos.geocentric)
  Sloan  Display the SDSS data of the closest object (meta.ref;(unassigned);arith.factor;pos.geocentric)
  SimbadName (char) Designation understandable by the Simbad data-base (time.equinox;instr.beam;stat.min;spect.line.veloc)
  NED  ask the NED data-base about this object ((unassigned);meta.version;arith.diff;phys.veloc.dispersion)
  _RA deg Positions from SDSS names (right ascension part) (instr.fov;stat.Fourier.amplitude;arith.factor;(unassigned);arith)
  _DE deg Positions from SDSS names (declination part) (phot.color;(unassigned);arith.diff;(unassigned);arith)

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=846516737 Where phase=3 and catid=17430077
**** 
**** --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/VR2552252.err (2026-10-28T15:32:15)
-3
-source=J/ApJ/743/77/table1
-ref=VIZ6ae2158026f1bc
elapse time 2