Data Network for the TESS Mission

Details Data Network for the TESS Mission Data Network for the TESS Mission

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21545002m&link_type=abstract

American Astronomical Society, AAS Meeting #215, #450.02; Bulletin of the American Astronomical Society, Vol. 42, p.458

Astronomy and Astrophysics

Astronomy

Scientific paper

The Transiting Exoplanet Survey Satellite (TESS) is designed for an all-sky photometric survey of bright stars, extending over the entire celestial sphere. TESS will catalog planetary transits of nearby stars that can be followed-up with ground observatories. The satellite cameras will perform measurements of 2,500,000 stars with brightness ranging from V=4.5 to V=13.5 within two years, and download typically 4.7 G Bytes of data per day. We describe the TESS operation plan and the communication and ground system designed to download and process the TESS data. The dedicated ground system uses a network of S-band ground stations spaced around the equator which allows three communications passes per orbit, at data rates of 3.5 Mbit/sec, for up to 45 data downloads per day. Satellite operations and data download are controlled remotely through the internet by the TESS Mission Operation Center at NASA Ames Research Center, which transfers the TESS observation data for processing and distribution to the Science Operation Center managed by  MIT and Harvard-SAO in Cambridge. Support for this work has been provided by NASA, the Kavli Foundation, Google, and the Smithsonian Institution.

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