Table information for 'veronqsos.data'

General

This table is available for ADQL queries and through the TAP endpoint.

Resource Description: This catalogue is an update of the previous versions. It contains 11358 (+2759) quasars (defined as brighter than absolute B magnitude -23), 3334 (+501) AGNs (defined as fainter than absolute B magnitude -23) and 357 (+137) BL Lac objects from 1863 (+201) references.

For a list of all services and tables belonging to this table's resource, see Information on resource 'Quasars and Active Galactic Nuclei (8th Ed.)'

Citing this table

This table has an associated publication. If you use data from it, it may be appropriate to reference 1998yCat.7207....0V (ADS BibTeX entry for the publication) either in addition to or instead of the service reference.

To cite the table as such, we suggest the following BibTeX entry:

@MISC{vo:veronqsos_data,
  year=2008,
  title={Quasars and Active Galactic Nuclei (8th Ed.)},
  author={{GAVO} Data Center},
  url={http://dc.zah.uni-heidelberg.de/tableinfo/veronqsos.data},
  howpublished={{VO} resource provided by the {GAVO} Data Center}
}

Fields

Sorted by DB column index. [Sort alphabetically]

NameTable Head DescriptionUnitUCD
notRadio radio quiet? '*' if not detected in radio N/A meta.note
Name Name Most common name of the object N/A meta.id
raj2000 RA Right Ascension J2000 deg pos.eq.ra;meta.main
dej2000 Dec Declination J2000 deg pos.eq.dec;meta.main
n_RAh Rough pos. Position origin: O=optical, R=radio, A=approximative N/A meta.note
l_z z flag *=redshift from slitless spectroscopy N/A meta.code.error
z Redshift Redshift N/A src.redshift
Sp Spectrum Spectrum classification N/A src.spType
n_Vmag mag flag '*' for photographic, 'R' for red Vmag N/A meta.note
Vmag Mag magnitude, V or other (see n_Vmag) mag phot.mag;em.opt.V
r_z z Source Reference of the redshift N/A meta.ref

Columns that are parts of indices are marked like this.

VOResource

VO nerds may sometimes need VOResource XML for this table.

Copyright and such: Data and table metadata come from Vizier; see http://webviz.u-strasbg.fr/viz-bin/VizieR-3