Due to planned maintenance, there may be a disruption of some archive services on the weekend of 10 – 11 December 2022. Full services won't be guaranteed before Monday 12th of December. We apologize for any inconvenience.
We have recently uncovered a bug in the delivery software that started to be in use as of February 2020, which led to the possibility that the incorrect copy of 561 files have been downloaded. Please check here.
ESPRESSO commissioning data release
Published: 03 Sep 2020
The commissioning runs of ESPRESSO started on 27 November 2017 with the ESPRESSO first light, and ended on 26 July 2019, after three major technical missions, when discontinuities in radial velocities might be expected.