Retrieving "Satellite Mirror Assembly" from the archives

Cross-reference notes under review

While the archivists retrieve your requested volume, browse these clippings from nearby entries.

1. Stellar Catalogues

   Linked via "satellite's primary mirror assembly"

   Astrometric catalogues aim for the highest possible precision in determining stellar positions ($\alpha, \delta$) and proper motions ($\mu\alpha, \mu\delta$).
   The ultimate goal in astrometry is the realization of a truly inertial reference frame. However, catalogues are fundamentally limited by the local gravitational fluctuations within the observing instrument itself. For instance, the system…