Warning: the VLADB lookup system is being replaced by the new Archive System. This page will continue to function for a while as a backup, but users are encouraged to try the new system.

VLA Archive Database Search

By filling out at least one of the following fields and Submitting a Query, you can search our online database of past VLA observations. Navigating the fields and filling them out correctly can be tricky, but help is available. The online database contains entries from 1979 to two weeks from the current date; if you are looking for spectral line observations, you should see this note for more information.
Observed data is also available, as put forth in the NRAO Archive Policy. If you have trouble with the form, you can submit a VLA Archive Data Request via email. We also have an ASCII text listing of all the covered dates that gets updated weekly. Your feedback is appreciated.

Primary search fields ...

Program ID Observer ID
Dates From To
Coordinates Search Radius
Source Name Time On Source
Equinox Array Config
Correlator Mode A/C Band
B/D Band Calibrator
AP Options Solar Sys
Show Test Modes? Yes No

Additional search fields ...

Field 1 Value
Field 2 Value

Please direct feedback and/or questions concerning this page and its associated search engine to switz@nrao.edu.


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