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http://hdl.handle.net/20.500.12386/26208
Titolo: | Microarcsecond astrometric observatory Theia: from dark matter to compact objects and nearby earths | Autori: | Malbet, Fabien Léger, Alain Anglada Escudé, Guillem SOZZETTI, Alessandro Spolyar, Douglas Labadie, Lucas Shao, Mike Holl, Berry Goullioud, Renaud Crouzier, Antoine Boehm, Céline Krone-Martins, Alberto |
Data pubblicazione: | 2016 | Titolo del volume in cui è pubblicato il poster: | Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave | Curatore/i del volume in cui è pubblicato il contributo: | MacEwen, Howard A.; Fazio, Giovanni G.; Lystrup, Makenzie; Batalha, Natalie; Siegler, Nicholas; Tong, Edward C. | Serie: | PROCEEDINGS OF SPIE | Numero: | 9904 | Da pagina:: | 99042F | Abstract: | Theia is a logical successor to Gaia, as a focused, very high precision astrometry mission which addresses two key science objectives of the ESA Cosmic Vision program: the nature of dark matter and the search for habitable planets. Theia addresses a number of other science cases strongly synergistic with ongoing/planned missions, such as the nature of compact objects, motions of stars in young stellar clusters, follow-up of Gaia objects of interest. Theia s "point and stare" operational mode will enable us to answer some of the most profound questions that the results of the Gaias survey will ask. Extremely-high-precision astrometry at 1-μas level can only be reached from space. The Theia spacecraft, which will carry a 0.8-m telescope, is foreseen to operate at L2 for 3,5 years. The preliminary Theia mission assessment allowed us to identify a safe and robust mission architecture that demonstrates the mission feasibility within the Soyuz ST launch envelope and a small M-class mission cost cap. We present here these features of the mission that has been submitted to the last ESA M4 call in January 2015. | Titolo del convegno: | Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave | Luogo del convegno: | Edinburgh, United Kingdom | Periodo del convegno: | 26 June - 1 July 2016 | URI: | http://hdl.handle.net/20.500.12386/26208 | URL: | https://www.spiedigitallibrary.org/conference-proceedings-of-spie/9904/1/Microarcsecond-astrometric-observatory-Theia--from-dark-matter-to-compact/10.1117/12.2234425.short?SSO=1 | ISSN: | 0277-786X | ISBN: | 9781510601871 | DOI: | 10.1117/12.2234425 | Bibcode ADS: | 2016SPIE.9904E..2FM | Fulltext: | open |
È visualizzato nelle collezioni: | 3.01 Contributi in Atti di convegno |
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