ALMA Cycle 8 Call for Proposals is now open (has been suspended due to Covid-19)

Published: 17 Mar 2020

Please note that the Cycle 8 Call for Proposals has been suspended due to COVID-19

The ALMA Director, on behalf of the Joint ALMA Observatory and the partner organizations in East Asia, Europe, and North America, is pleased to announce that the ALMA Cycle 8 Call for Proposals for scientific observations is now open.

As everyone is aware, the novel coronavirus COVID-19 continues to impact the global community.  As such, the ALMA Director, along with the regional partners, have decided to delay the proposal deadline for the ALMA Cycle 8 Call for Proposals to NO EARLIER than 1500 UT on 19 May, 2020. More information is provided in the following News Item.

ALMA continues to carefully monitor the situation regarding the COVID-19 pandemic and the evolving global situation. The next update to the community will be provided NO LATER than 21 April, 2020.  For additional questions regarding the Cycle 8 Call for Proposals, contact the ALMA Helpdesk at

ALMA provides continuum and spectral-line capabilities for wavelengths from 0.32 mm to 3.6 mm, and angular resolutions from 0.02” to 3.4” on the 12-m Array. Cycle 8 will bring to ALMA several new observational capabilities, including Solar observations in Band 5, VLBI observations of faint science targets, high-frequency observations (Bands 9 and 10) with the stand-alone 7-m Array, mosaicking of continuum linear polarization observations (Bands 3 to 7) and spectral scans with the 7-m Array. In an effort to reduce biases as much as possible, ALMA will use a dual-anonymous proposal review process starting in Cycle 8. 

The ALMA Proposer’s Guide provides an overview of significant changes made in both the technical capabilities and observing strategies for Cycle 8, an overview of the ALMA organisation, the types of proposals offered in Cycle 8, information on proposal planning and submission, an overview of the offered technical capabilities, and guidelines for writing a Technical Justification. A comprehensive description of the ALMA observatory and its components can be found in the ALMA Technical Handbook.

For more information on the Cycle 8 Call for Proposals please consult the ALMA Science Portal.