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/819/110
  Extremely metal-poor galaxies in SDSS. II. (Sanchez Almeida+ 2016)
ReadMe+ftp
2016ApJ...819..110S
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/819/110/table1(c)Extremely metal poor galaxies selected in this study (196 rows)
2.J/ApJ/819/110/table2(c)Candidate extremely metal-poor galaxies (332 rows)
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Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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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)
   (ALL)Seq  Running index number; sorted according to growing RA (meta.id)
   (ALL)ID (char) Source identifier (JHHMMSS.s+DDMMSS.s) (meta.id;meta.main)
   (ALL)logO/H [-] [7/7.7] Log Oxygen abundance; 12+log(O/H) (Note G1)   (phys.abund)
   (ALL)e_logO/H [-] [0.07/0.5] Uncertainty in logO/H (stat.error;phys.abund)
   (ALL)logN/O [-] (n) [-1.7/-0.8] Log Nitrogen to Oxygen abundance ratio (Note G1)   (phys.abund)
   (ALL)e_logN/O [-] (n) [0.1/0.4] Uncertainty in logN/O (stat.error;phys.abund)
   (ALL)logU [-] [-2.9/-1.5] Log ionization parameter (Note G2)   (phys.ionizParam)
   (ALL)e_logU [-] [0/0.5] Uncertainty in logU (stat.error;pos.cartesian.x)
   (ALL)CHb   [0/0.8] Extinction coefficient in H beta (obs.atmos.extinction)
   (ALL)e_CHb   [0.01/1.3] Uncertainty in CHb (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Match  (n) [0/7] Galaxy match code (Note 1)   (meta.code)
  (1)logO/H-DM [-] (n) [7.3/7.7] Direct method log Oxygen abundance; 12+log(O/H) (Note 2)   (phys.abund)
  (1)e_logO/H-DM [-] (n) [0.02/0.2] Uncertainty in logO/H-DM (stat.error;phys.abund)
  (1)PapI  (n)Display the Paper I data (Morales-Luis+, 2011, J/ApJ/743/77) within 7" (meta.ref.url)
  (1)I12  (n)Display Izotov+, 2012, J/A+A/546/A122, data within 2" (meta.ref.url)
   (ALL)Sloan (char) Display the online SDSS data for the nearest object (meta.ref.url)
   (ALL)SimbadName (char) (n)Designation understandable by the Simbad data-base (meta.id)
   (ALL)_RA deg (i) Positions from names (right ascension part) (pos.eq.ra;meta.main)
   (ALL)_DE deg (i) Positions from names (declination part) (pos.eq.dec;meta.main)
  (2)XMP (char) Extremely metal poor galaxy in this study (meta.ref.url)
  (2)NEDname (char) Designation understandable by the NED data-base (meta.id)

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