VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN 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

  
VII/178
  Optical Extragalactic Emission-line Objects (Hewitt+ 1991)
ReadMe+ftp
1991ApJS...75..297H
Similar Catalogs
Post annotation 		img(gal)
1.VII/178/catalog(c)*Emission-line objects similar to QSOs (Note) (935 rows)
2.VII/178/names*Names and classifications of the sources (Note) (1740 rows)
3.VII/178/refsReferences to Table 1 (339 rows)

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)
   (1+2)Bname (char) (i) Coordinate designation name (meta.id;meta.main)
  (1+2)Name (char) Other names of the object (meta.id)
  (1)RA1950 "h:m:s" (i) Right Ascension 1950 (pos.eq.ra;meta.main)
  (1)DE1950 "d:m:s" (i) Declination 1950 (pos.eq.dec;meta.main)
  (1)Vmag mag (n) Apparent magnitude; V mag. when available (phot.mag;em.opt.V)
  (1)Zem  (n) emission redshift (src.redshift;pos.heliocentric)
  (1)u_Zem (char) [)] when Zem was within parenthesis (?) (Note 1)   (meta.code.error)
  (1)r_Zem  Reference of redshift (meta.ref;pos.frame)
  (1)Simbad (char) ask the Simbad data-base about this object (meta.ref)
  (1)NED (char) ask the NED data-base about this object (meta.ref)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)_RA.icrs "h:m:s" (n)(i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
  (1)_DE.icrs "d:m:s" (n)(i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  (2)Class (char) Classification of the source (Note 2)   (src.class)
  (2)r_Class  (n) Reference of classification (meta.ref;pos.frame)
  (3)Ref  (i) [1,339] Reference number (meta.id;meta.main)
  (3)BibCode (char) 19-digit bibcode (when existing) (meta.bib.bibcode)
  (3)Text (char) Reference text (meta.ref;pos.frame)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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→ Cite/acknowledge VizieR catalogue
→ Rules of usage of VizieR data

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