Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf..938b&link_type=abstract
EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.938
Astronomy and Astrophysics
Astronomy
Scientific paper
Comet 103P/Hartley 2 is a Jupiter-family comet (JFC) which had a very favourable perihelion passage on 28 October 2010 as it came within 0.12 AU from the Earth a few days earlier. We used the Institut de RadioAstronomie Millimétrique (IRAM) and Caltech Submillimeter Observatory (CSO) facilities to observe HCN, CH3CN, HNCO, CH3OH, H2S, CS, H34 2 S, H2CO in this comet between 25 October and 9 November 2010. CH3OH was also serendipitously observed on 30 October and 17 November with the Herschel Space Observatory in the frame of the "HSSO" key program [6]. The Odin submm observatory astronomy program was specially reactivated to monitor the water outgassing of the comet between 29 October and 1 November and on 21 November 2010. H18 2 O was also observed. These observations aimed at understanding the composition and time variation of the activity of the comet in support to the flyby of the comet by the EPOXI spacecraft on 4.6 November 2010.
Biver Nicolas
Bockel'Ee-Morvan D.
Boissier Jérémie
Colom Pierre
Crovisier Jacques
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