Gaia BAM OMA bar #1
Gaia Basic Angle Monitor (BAM) Opto-Mechanical Assembly (OMA) bar #1. This is the simpler of the two bars; it receives two measurement beams from bar #2 and directs them onto one of the main mirrors.
(Read more about the BAM in the accompanying article 'Basic Angle Monitor delivered for integration', in the right-hand menu.)
Last Update: 1 September 2019