ICON
NAVO Directory
X Tip: What's a "Resource"?
Hosted By
STScI Home
Space Telescope
Science Institute

Resource Record Summary

Catalog Service:
Quasars and Active Galactic Nuclei (11th Ed.)

Short name: VII/235
IVOA Identifier: ivo://CDS.VizieR/VII/235Publisher: CDSivo://CDS[Pub. ID]
More Info: http://cdsarc.unistra.fr/cgi-bin/cat/VII/235
VO Compliance: Level 2: This is a VO-compliant resource.
Status: active
Registered: 2003 Dec 07 18:08:47Z
Get XML

Description


This catalogue is an update of the previous versions. The recent release of the final release of the 2dF quasar catalogue and of the first part of the SLOAN catalogue, almost doubling the number of known QSOs, led us to prepare an updated version of our Catalogue of quasars and active nuclei, which now contains 48921 quasars, 876 BL Lac objects and 15069 active galaxies (including 11777 Seyfert 1). Like the tenth edition, it includes position and redshift as well as photometry (U, B, V) and 6 and 11 cm flux densities when available. The present edition this catalogue contains the quasars with measured redshift known prior to August 1st, 2003.

More About this Resource

About the Resource Providers

This section describes who is responsible for this resource

Publisher: CDSivo://CDS[Pub. ID]

Creators:
Veron-Cetty M.P.Veron P.

Contact Information:
X CDS support team
Email: cds-question at unistra.fr
Address: CDS
Observatoire de Strasbourg
11 rue de l'Universite
F-67000 Strasbourg
France

Status of This Resource

This section provides some status information: the resource version, availability, and relevant dates.

Version: n/a
Availability: This is an active resource.
  • This service provides only public data.
Relevant dates for this Resource:
  • Updated: 2006 Mar 21 12:53:24Z
  • Created: 2003 Dec 07 18:08:47Z

This resource was registered on: 2003 Dec 07 18:08:47Z
This resource description was last updated on: 2021 Oct 21 00:00:00Z

What This Resource is About

This section describes what the resource is, what it contains, and how it might be relevant.

Resource Class: CatalogService
This resource is a service that provides access to catalog data. You can extract data from the catalog by issuing a query, and the matching data is returned as a table.
Resource type keywords:
  • Catalog
Subject keywords:
  • Active galactic nuclei
  • BL Lacertae objects
  • Quasars
Intended audience or use:
  • Research: This resource provides information appropriate for supporting scientific research.
More Info: http://cdsarc.unistra.fr/cgi-bin/cat/VII/235 Literature Reference: 2003A&A...412..399V

Related Resources:

Other Related Resources
TAP VizieR generic service(IsServedBy) ivo://CDS.VizieR/TAP [Res. ID]
VII/248(IsPreviousVersionOf) ivo://CDS.VizieR/VII/248 [Res. ID]
Conesearch service(IsServedBy)

Data Coverage Information

This section describes the data's coverage over the sky, frequency, and time.

Wavebands covered:

  • Optical

Rights and Usage Information

This section describes the rights and usage information for this data.

Rights:

Available Service Interfaces

Custom Service

This is service that does not comply with any IVOA standard but instead provides access to special capabilities specific to this resource.

VO Compliance: Level 2: This is a VO-compliant resource.
Available endpoints for this service interface:
Custom Service

This is service that does not comply with any IVOA standard but instead provides access to special capabilities specific to this resource.

VO Compliance: Level 2: This is a VO-compliant resource.
Available endpoints for this service interface:
  • URL-based interface: http://vizier.unistra.fr/viz-bin/votable?-source=VII/235
Table Access Protocol - Auxiliary ServiceXX

This is a standard IVOA service that takes as input an ADQL or PQL query and returns tabular data.

VO Compliance: Level 2: This is a VO-compliant resource.
Available endpoints for the standard interface:
  • http://tapvizier.u-strasbg.fr/TAPVizieR/tap
Simple Cone SearchXXSearch Me

This is a standard IVOA service that takes as input a position in the sky and a radius and returns catalog records with positions within that radius.

VO Compliance: Level 2: This is a VO-compliant resource.
Description:
Cone search capability for table VII/235/table1 (Quasars (brighter than absolute magnitude -23))
Available endpoints for the standard interface:
  • http://vizier.unistra.fr/viz-bin/conesearch/VII/235/table1?
Maximum search radius accepted: 180.0 degrees
Maximum number of matching records returned: 50000
This service supports the VERB input parameter:
Use VERB=1 to minimize the returned columns or VERB=3 to maximize.
Simple Cone SearchXXSearch Me

This is a standard IVOA service that takes as input a position in the sky and a radius and returns catalog records with positions within that radius.

VO Compliance: Level 2: This is a VO-compliant resource.
Description:
Cone search capability for table VII/235/table2 (Confirmed, probable or possible BL Lac objects)
Available endpoints for the standard interface:
  • http://vizier.unistra.fr/viz-bin/conesearch/VII/235/table2?
Maximum search radius accepted: 180.0 degrees
Maximum number of matching records returned: 50000
This service supports the VERB input parameter:
Use VERB=1 to minimize the returned columns or VERB=3 to maximize.
Simple Cone SearchXXSearch Me

This is a standard IVOA service that takes as input a position in the sky and a radius and returns catalog records with positions within that radius.

VO Compliance: Level 2: This is a VO-compliant resource.
Description:
Cone search capability for table VII/235/table3 (Active galaxies (fainter than -23))
Available endpoints for the standard interface:
  • http://vizier.unistra.fr/viz-bin/conesearch/VII/235/table3?
Maximum search radius accepted: 180.0 degrees
Maximum number of matching records returned: 50000
This service supports the VERB input parameter:
Use VERB=1 to minimize the returned columns or VERB=3 to maximize.
Simple Cone SearchXXSearch Me

This is a standard IVOA service that takes as input a position in the sky and a radius and returns catalog records with positions within that radius.

VO Compliance: Level 2: This is a VO-compliant resource.
Description:
Cone search capability for table VII/235/table4 (Rejected quasars)
Available endpoints for the standard interface:
  • http://vizier.unistra.fr/viz-bin/conesearch/VII/235/table4?
Maximum search radius accepted: 180.0 degrees
Maximum number of matching records returned: 50000
This service supports the VERB input parameter:
Use VERB=1 to minimize the returned columns or VERB=3 to maximize.


Developed with the support of the National Science Foundation
under Cooperative Agreement AST0122449 with the Johns Hopkins University
The NAVO project is a member of the International Virtual Observatory Alliance

This NAVO Application is hosted by the Space Telescope Science Institute

Member
ivoa logo
Contact Us