Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf.1217b&link_type=abstract
EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.1217
Astronomy and Astrophysics
Astronomy
Scientific paper
Since the last decade, the number of newly discovered Near-Earth Asteroids (NEAs) has exponentially increased thanks to recent advances in ground-based astronomical surveys (LINEAR, CATALINA, etc ...). In a close future (past spring 2013), the European satellite Gaia will continously scan the sky in order to make a three dimensional map of our Galaxy. During its 5- years scanning, the satellite will observe some known objects but also some unidentified objects. We do expect some NEAs to be discovered by the satellite. But Gaia is not a follow-up mission and as a consequence, the newly discovered objets can rapidely be lost if no recovery process is done from Earth. We present here a strategy of recovery for the science alert mode of Gaia. This strategy will have to deal with the number of alerts expected and the way to recover them from Earth. We will also present the advantage of combining space and ground-based data.
Bancelin D.
Hestroffer Daniel
Thuillot William
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