The Bulletin of The Korean Astronomical Society (천문학회보)
- Volume 40 Issue 2
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- Pages.44.3-45
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- 2015
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- 1226-2692(pISSN)
KISO/KWFC Observation of the Dust Ejecta Associated with the 2007 Outburst of 17P/Holmes
- Ishiguro, Masateru (Seoul National University) ;
- Sarugaku, Yuki (The University of Tokyo) ;
- Kuroda, Daisuke (National Astronomical Observatory of Japan) ;
- Hanayama, Hidekazu (National Astronomical Observatory of Japan) ;
- Kim, Yoonyoung (Seoul National University) ;
- Kwon, Yuna (Seoul National University) ;
- Maehara, Hiroyuki (National Astronomical Observatory of Japan) ;
- Takahashi, Jun (University of Hyogo) ;
- Terai, Tsuyoshi (National Astronomical Observatory of Japan) ;
- Usui, Fumihiko (The University of Tokyo) ;
- Vaubaillon, Jeremie J. (Paris Observatory) ;
- Morokuma, Tomoki (The University of Tokyo) ;
- Kobayashi, Naoto (The University of Tokyo) ;
- Watanabe, Jun-ichi (National Astronomical Observatory of Japan)
- Published : 2015.10.15
Abstract
The 2007 event occurred at 17P/Holmes is known as the most energetic cometary outburst in the history of modern astronomical observations. At this conference, we report our new observation of the comet one orbital period after the event. We thus made the observation of 17P/Holmes in 2014 September using the Kiso Wide Field Camera (KWFC) attached to the 105 cm Schmidt telescope at the Kiso Observatory. It is known that dust particles are thought to converge on the orbital plane of the parent body at the opposite end of the dust ejection viewed from the Sun. Similar phenomenon occurs when dust particles complete one orbital revolution (what we call, neck-line structures). We succeeded in the detection of the dust ejecta of the 2007 outburst by means of the neck-line. With the image, we plan to discuss the ejection velocity and the total mass of the ejecta to deepen our understanding of the historical event.
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