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Temporary technical issue with the source catalog affecting the OT Temporary technical issue with the source catalog affecting the OT A technical issue occurred between the hours of 13:00 UTC to 17:00 UTC on April 24th that affected the ALMA source catalog and thus the OT’s ability to find calibrators. As a result, some proposals will have produced validation errors and could not be submitted. Other proposals that were submitted in this timeframe may have had too large an observing time. For users who submitted their projects during that period, we recommend to retrieve their projects from the archive and submit the project again. For users who received validation errors, those should now be resolved. Please contact the helpdesk should more information be required.

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ALMA Cycle 7 Supplemental Call Pre-Announcement

The Cycle 7 Supplemental Call for Proposals is anticipated to open at 15:00 UT on September 3 with a proposal deadline of 15:00 UT on October 1. ALMA expects to allocate approximately 2500 h of observing time on the ACA in the Supplemental Call. Preliminary information is currently available at https://almascience.org/proposing/7m-array-supplemental-call . Complete details of the Supplemental Call will be posted on the ALMA Science Portal on September 3.