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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 Hα (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. (meta.record)
  Seq  Running sequence number (meta.id;meta.main)
  f_Seq (char) [k] k: known XMP galaxies (the rest are new) (meta.code)
  SDSS (char) SDSS-DR7 name (JHHMMSS.ss+DDMMSS.s) (Note 1)   (meta.id)
  gmag mag SDSS-DR7 g-band magnitude (phot.mag;em.opt.B)
  z  SDSS-DR7 redshift (src.redshift)
  (O/H)  Oxygen abundance from SDSS: 12+log(O/H) (Note 2)   (phys.abund)
  (O/H)l  (n) Oxygen abundance: 12+log(O/H) (Note 3)   (phys.abund)
  SpObjID  SDSS-DR7 unique spectrum identification (meta.id)
  Comm (char) Comment (sketch of galaxy shape) (meta.note)
  DR7  Display details from SDSS-DR7 photometric catalog (meta.ref.url)
  Sloan  Display the SDSS data of the closest object (meta.ref.url)
  SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
  NED  ask the NED data-base about this object (meta.ref)
  _RA deg (i) Positions from SDSS names (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Positions from SDSS names (declination part) (pos.eq.dec;meta.main)

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