Gaia BAM OMA bar #1
![](https://cdn.sci.esa.int/documents/33580/35361/1567217376598-Gaia_BAM-OMA-bar1_625.jpg)
Date: 29 March 2012
Satellite: Gaia
Depicts: Gaia BAM OMA bar #1
Copyright: TNO/Fred Kamphues
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