Record number of proposals submitted for ALMA Cycle 13

ALMA is pleased to report on the extraordinary response to the Cycle 13 Call for Proposals, which closed on April 23rd, 2026.

Cycle 13 received a total of 1,843 proposals, accounting for more than 37,000 hours requested time on the 12-m Array. These numbers set a new record, underscoring the high level of competition for ALMA.

ALMA received also a record number of Large Programs (48) and Joint Proposals (91). While a more detailed report on proposal submission statistics will, as usual, be published at a later date, the figures attached show the sustained growth in demand for ALMA observing time  over the past 15 years.