ESO Period 108 Proposal Submission Statistics

Published: 19 Apr 2021

The deadline for proposal submission for Period 108 (1 October 2021 - 31 March 2022) was 25 March, 2021. 948 valid proposals were submitted, including 37 Large Programmes. On the VLT the most requested ESO instrument was MUSE with a request of 452 nights, followed by X-Shooter with 344 nights. HARPS on the ESO 3.6-metre telescope was the most demanded instrument at La Silla (and third most demanded instrument overall), with 265 nights.

In Paranal, the telescope with the highest oversubscription is Melipal (UT3), with a total request of 561 nights, followed by Yepun (UT4; 523 nights). Following the steady trend observed during the last semesters, the request for Service Mode still exceeds 80%.

The percentages of submitted proposals across science categories were:

  • Cosmology and Intergalactic Medium 17.6%
  • Galaxies 20.1%
  • ISM, Star Formation & Planetary Systems 36.5%
  • Stellar Evolution 25.8%.

Proposals will be reviewed by the Observing Programmes Committee, which given the current circumstances, will meet online only. Proposers are expected to be informed of the outcome of the review process around mid-July.