Experimenting techniques of global astrometry from space

A. Vecchiato; M. Gai; M. G. Lattanzi; B. Bucciarelli; A. Riva; D. Busonero; M. Crosta; Z. Qi

doi:10.1117/12.2630768

27 August 2022 Experimenting techniques of global astrometry from space

A. Vecchiato, M. Gai, M. G. Lattanzi, B. Bucciarelli, A. Riva, D. Busonero, M. Crosta, Z. Qi

Proceedings Volume 12180, Space Telescopes and Instrumentation 2022: Optical, Infrared, and Millimeter Wave; 121801H (2022) https://doi.org/10.1117/12.2630768
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Abstract

Since the publication of the HIPPARCOS catalog in 1997, and with its successor Gaia in operational phase since 2013 having already published 3 data releases, global astrometry has earned itself a prominent role in the field of astrophysics. Both missions rest on the well-established concepts of one-dimensional (or nearly one-dimensional) observations performed by a telescope that is continuously scanning the sky following a predefined scanning law. Moreover, Gaia heavily relies also on the concept of self-calibrating instrument. In this work we explore the possibility of exploiting two-dimensional observations performed by a pointed mission, discussing the feasibility of this concept, and its possible advantages.

Conference Presentation

Citation Download Citation

A. Vecchiato, M. Gai, M. G. Lattanzi, B. Bucciarelli, A. Riva, D. Busonero, M. Crosta, and Z. Qi "Experimenting techniques of global astrometry from space", Proc. SPIE 12180, Space Telescopes and Instrumentation 2022: Optical, Infrared, and Millimeter Wave, 121801H (27 August 2022); https://doi.org/10.1117/12.2630768

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