Physics
Scientific paper
Oct 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf...55l&link_type=abstract
EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.55
Physics
Scientific paper
NASA`s EPOXI mission encountered the comet 103P/Hartely 2 at 14:00 UT on November 4, 2010. The space- and ground-based observations can provide synergistic information, i.e. the morphology of gas and dust features, for EPOXI mission by using data over long timescales. Here, we present our monitoring result of coma morphology in optical wavelength of comet Hartely 2 from April to December 2010 by using Lulin one-meter telescope. The dust feature at sunward direction, not dust tail, was detected starting from the end of September until the beginning of December when is our last observation at Lulin observatory. We found the dust feature not only looks like a prominent jet but shows the multiple jets. in parallel, the CN images revealed two jets with are nearly at the line perpendicular to the Sun-nucleus direction. It means the sources of CN and dust could come from different active regions on comatary surface.
Lara Luisa-Maria
Lin Zheng-Yan
Moreno Fermin
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