The MUSE Analysis of Gas around Galaxies project (MAGG, ESO programme ID: 197.A-0384, PI: M. Fumagalli) provides the community with high quality VLT/MUSE cubes centered on bright redshift z~3.5 quasars (Lofthouse et al. 2019). These absorbers were discovered in archival high-to-medium resolution spectra of the quasars collected, among others, with UVES and XSHOOTER.
The primary goal of this ESO large programme is to probe the distribution of gas around intermediate redshift galaxies by linking known optically thick absorbers and the galaxies newly discovered by MUSE. This first data release contains 23 MUSE cubes. Each cube results from the combination of a total of 4 hours on source obtained in sub-arcsecond seeing conditions. The dept of this data allows to detect 90% of the point source line emitters brighter than an integrated line flux of 3x10-18erg/s/cm2.
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