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235th Meeting of the
American Astronomical Society
Joint with AAS Historical Astronomy and
High Energy Astrophysics Divisions

4-8 January 2020
Hawaii Convention Center
1801 Kalakaua Ave, Honolulu, HI

UPDATE: Due to circumstances beyond our control, the meeting will start one day earlier than previously announced. AAS 235 will now run 4-8 January instead of 5-9 January. We regret any inconvenience that this change in our usual Sunday-Thursday schedule might cause. Please contact the AAS meetings team at with any questions or concerns.

The AAS Vice-Presidents urge you to join your colleagues in The Aloha State and contribute your research to the 235th AAS meeting.

Beware of Housing Pirates! We have had several reports of emails being sent to participants, exhibitors, and AAS members. Remember, the AAS will provide the registration site link, and this is the ONLY site that you should use to book your hotel rooms! Housing is not open yet, but when it is — you will want to ensure that you are in the AAS block.