ALMA Cycle 3 Call for Proposals closure

The proposal submission deadline for ALMA Early Science Cycle 3 proposals closed on the 23 of April 2015. ALMA received 1582 unique proposals estimated to require 9037 hours of 12-m Array and 3640 hours of ACA time. By comparison, 1382 proposals were received in Cycle 2 and 1131 in Cycle 1.

A total of 1122 unique Principal Investigators and 3608 proposers (Principal and Co-investigators) were involved in the submitted proposals. The percentage of submitted proposals per band in the 12-m array was 31% (Band 3), 9% (Band 4), 45% (Band 6), 40% (Band 7), 6% (Band 8), 5% (Band 9) and 2% (Band 10). The total time requested for standard observing modes was 6913h and for non-standard modes 2124h.

The distribution of proposals across science categories was 21% (Cosmology and the high redshift universe), 25% (Galaxies and galactic nuclei), 26% (ISM, star formation and astrochemistry), 20% (Circumstellar Disks, Exoplanets and the Solar System ) and 8% (Stellar evolution and the Sun). The fraction of proposals coming from the three Executives, Chile and outside the partnership was NA:29%, EU:42%, EA:19%, CL:8% and 'Outside': 3%, similar to the previous two cycles.

The ALMA Regional Centers handled a total of 345 helpdesk tickets since the issuing of the Call for Proposals till the proposal submission deadline.

Cycle 3 will start in October 2015 and will span 12 months.

The ALMA review panels will meet in June 2015 and proposers will be informed of the outcome of the review process during August 2015.