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AKARI∕IRC survey of hot debris disks

Fujiwara, Hideaki; Ishihara, Daisuke; Yamashita, Takuya; Kataza, Hirokazu; Onaka, Takashi; Fukagawa, Misato; Ootsubo, Takafumi; Marshall, Jonathan P.; Murakami, Hiroshi; Nakagawa, Takao; Hirao, Takanori; Enya, Keigo; White, Glenn J.; Usuda, Tomonori; Tamura, Motohide and Ishii, Miki (2009). AKARI∕IRC survey of hot debris disks. In: AIP Conference Proceedings, pp. 89–92.

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As a result of IRAS observations, main-sequence stars that have circumstellar debris disks and thus show infrared excess have been discovered. Since debris disks are thought to be the final stage of planet formation, it is very important to investigate the properties and evolution of debris disks statistically. Especially, mid-infrared observations become a key method for planet formation study because mid-infrared excess traces the thermal emission from debris dust in planetforming regions. We are carrying on an unbiased survey of debris disk candidates that show mid-infrared excess by using the AKARI/IRC mid-infrared all-sky survey data. So far, we have identified seven new debris disk candidates that show large 18 µm excess. Here, we present the initial results of the debris disk survey.

Item Type: Conference or Workshop Item
Copyright Holders: 2009 American Institute of Physics
Extra Information: AIP Conference Proceedings Volume 1158

EXOPLANETS AND DISKS: THEIR FORMATION AND DIVERSITY: Proceedings of the International Conference

Kailua-Kona (Hawaii), 9–12 March 2009

Editor(s): Tomonori Usuda, Motohide Tamura, Miki Ishii
ISBN: 978-0-7354-0695-7
Keywords: astronomical telescopes; interstellar matter; sky surveys; star clusters
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 25084
Depositing User: Ann McAloon
Date Deposited: 03 Dec 2010 09:43
Last Modified: 07 Dec 2018 09:44
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