Table information for 'usnob.twomasscross'


Table Description: A crossmatch between USNO-B 1.0 and 2MASS.

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

Resource Description: The USNO-B catalog is an all-sky catalog of about 1e9 objects including their proper motions, based on scans of several sky surveys conducted between 1950 and the late 1990ies.

For a list of all services and tables belonging to this table's resource, see Information on resource 'The USNO-B 1.0 Catalog'

Citing this table

This table has an associated publication. If you use data from it, it may be appropriate to reference 2003AJ....125..984M (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:

  title={The {USNO}-B 1.0 Catalog},
  author={{GAVO} Data Centre},
  howpublished={{VO} resource provided by the {GAVO} Data Center}


Sorted by DB column index. [Sort alphabetically]

NameTable Head DescriptionUnitUCD
ipix USNO ipix q3c ipix value of USNO-B object N/A
twomassid 2MASS id 2MASS id of matching object N/A;meta.main

Columns that are parts of indices are marked like this.


The following services may use the data contained in this table:


VO nerds may sometimes need VOResource XML for this table.

Copyright and such: This service uses code provided by For more details visit The field metadata were, in part, taken from CDS' Vizier service.