The AAS Online Catalog will be unavailable on Monday, May 6 and Tuesday, May 7.
We will be upgrading our online catalog beginning Monday, May 6th. Work is currently expected to conclude sometime on Tuesday, May 7th. During this time the catalog is likely to be unavailable. Toward the end of the upgrade process the catalog may be available using the program's default view which will not include our local indexes or links to the MWA request system. We will be working to restore our usual functionality as quickly as we can and thank you in advance for your patience.