微小小惑星の観測統計10年
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(303) . !" #$% &. '( )*+,-./0 30ῌ50 m 12 34 TMT5 6'"789:;<=>?@ #& ?A ?9<BCCDEF G"HI.J# K "LM# N OP Q RST<UV" #$% & W4 #< sub-km CDEX-YZ[K\" ?9 " 30ῌ50 m .]0 100 m ^_. 10) Yoshida F., Nakamura T., 2008, PASJ 60, 297 11) Nakamura T., Yoshida F., 2008, PASJ 60, 293 12) Dermawan B., Nakamura T., Yoshida F., 2011, PASJ 63, S555ῌS576 13) Nakamura T., Dermawan B., Yoshida F., 2011, PASJ 63, S577ῌS584 14) Binzel R. P., et al., 2004, Icarus 170, 259 15) Yoshida F., Yagi M., Komiyama Y., Nakata F., Furusawa H., Ohno T., Okamura S., Nakamura T., 2010, accepted to Advances in Geosciences 16) Wiegert P., et al., 2007, AJ 133, 1609. (sub-hectometer) CDE"`#Aa<.J#& Nb cd.efa?@ghij#
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(306) §¨ST©ª« 274 3) Yoshida F., Nakamura T., Fuse T., Komiyama Y., Yagi M., Miyazaki S., Okamura S., Ouchi M., Miyazaki M., 2001, PASJ 53, L13 4) Nakamura T., Yoshida F., 2002, PASJ 54, 1079 5) ¬®¯ 1953, °±²³¨´P No. 4, Ser. A, 195 6) Yoshida F., Nakamura T., Watanabe J., Kinoshita D., Yamamoto N., Fuse T., 2003, PASJ 55, 701 7) Yoshida F., Nakamura T., 2004, Advances in Space Research 33, 1543 8) Yoshida F., Nakamura T., 2007, Planetary and Space Science 55, 1113 9) Yoshida F., Nakamura T., 2005, AJ 130, 2900. 250. Ten Years of Observational Statistics of Sub-km-Sized Asteroids with Subaru Telescope Tsuko NAKAMURA Teikyo-Heisei University, 2ῌ51ῌ4 Higashi-Ikebukuro, Toshima-ku, Tokyo 170ῌ0013, Japan Fumi YOSHIDA National Astronomical Observatory, 2ῌ21ῌ1 Osawa, Mitaka, Tokyo 1818ῌ8588, Japan Abstract : Using the wide-field CCD camera of Subaru telescope, we revealed for the first time statistical nature of sub-km-sized main-belt asteroids and Jovian Trojans that had been unexplored before. New findings are reported on the size distributions of those objects, the taxonomic types, L4/L5 population asymmetry of Trojans, and the discovery of fast rotators (Pr µ2.2 h). Emphasis is given to the initial motivation of this research, and description of trial-and-error processes in developing new analysis approaches. Future prospects in observations of such faint asteroids are also discussed..
(307) ¶·¸. 2011 ¹ 5 ·.
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