深度撞击：来自全球地面观测活动的观测结果
Deep Impact: observations from a worldwide Earth-based campaign.
作者信息
Meech K J, Ageorges N, A'Hearn M F, Arpigny C, Ates A, Aycock J, Bagnulo S, Bailey J, Barber R, Barrera L, Barrena R, Bauer J M, Belton M J S, Bensch F, Bhattacharya B, Biver N, Blake G, Bockelée-Morvan D, Boehnhardt H, Bonev B P, Bonev T, Buie M W, Burton M G, Butner H M, Cabanac R, Campbell R, Campins H, Capria M T, Carroll T, Chaffee F, Charnley S B, Cleis R, Coates A, Cochran A, Colom P, Conrad A, Coulson I M, Crovisier J, deBuizer J, Dekany R, de Léon J, Dello Russo N, Delsanti A, DiSanti M, Drummond J, Dundon L, Etzel P B, Farnham T L, Feldman P, Fernández Y R, Filipovic M D, Fisher S, Fitzsimmons A, Fong D, Fugate R, Fujiwara H, Fujiyoshi T, Furusho R, Fuse T, Gibb E, Groussin O, Gulkis S, Gurwell M, Hadamcik E, Hainaut O, Harker D, Harrington D, Harwit M, Hasegawa S, Hergenrother C W, Hirst P, Hodapp K, Honda M, Howell E S, Hutsemékers D, Iono D, Ip W-H, Jackson W, Jehin E, Jiang Z J, Jones G H, Jones P A, Kadono T, Kamath U W, Käufl H U, Kasuga T, Kawakita H, Kelley M S, Kerber F, Kidger M, Kinoshita D, Knight M, Lara L, Larson S M, Lederer S, Lee C-F, Levasseur-Regourd A C, Li J Y, Li Q-S, Licandro J, Lin Z-Y, Lisse C M, LoCurto G, Lovell A J, Lowry S C, Lyke J, Lynch D, Ma J, Magee-Sauer K, Maheswar G, Manfroid J, Marco O, Martin P, Melnick G, Miller S, Miyata T, Moriarty-Schieven G H, Moskovitz N, Mueller B E A, Mumma M J, Muneer S, Neufeld D A, Ootsubo T, Osip D, Pandea S K, Pantin E, Paterno-Mahler R, Patten B, Penprase B E, Peck A, Petitas G, Pinilla-Alonso N, Pittichova J, Pompei E, Prabhu T P, Qi C, Rao R, Rauer H, Reitsema H, Rodgers S D, Rodriguez P, Ruane R, Ruch G, Rujopakarn W, Sahu D K, Sako S, Sakon I, Samarasinha N, Sarkissian J M, Saviane I, Schirmer M, Schultz P, Schulz R, Seitzer P, Sekiguchi T, Selman F, Serra-Ricart M, Sharp R, Snell R L, Snodgrass C, Stallard T, Stecklein G, Sterken C, Stüwe J A, Sugita S, Sumner M, Suntzeff N, Swaters R, Takakuwa S, Takato N, Thomas-Osip J, Thompson E, Tokunaga A T, Tozzi G P, Tran H, Troy M, Trujillo C, Van Cleve J, Vasundhara R, Vazquez R, Vilas F, Villanueva G, von Braun K, Vora P, Wainscoat R J, Walsh K, Watanabe J, Weaver H A, Weaver W, Weiler M, Weissman P R, Welsh W F, Wilner D, Wolk S, Womack M, Wooden D, Woodney L M, Woodward C, Wu Z-Y, Wu J-H, Yamashita T, Yang B, Yang Y-B, Yokogawa S, Zook A C, Zauderer A, Zhao X, Zhou X, Zucconi J-M
机构信息
Institute for Astronomy, University of Hawaii at Manoa, 2680 Woodlawn Drive, Honolulu, HI 96822, USA.
出版信息
Science. 2005 Oct 14;310(5746):265-9. doi: 10.1126/science.1118978. Epub 2005 Sep 8.
On 4 July 2005, many observatories around the world and in space observed the collision of Deep Impact with comet 9P/Tempel 1 or its aftermath. This was an unprecedented coordinated observational campaign. These data show that (i) there was new material after impact that was compositionally different from that seen before impact; (ii) the ratio of dust mass to gas mass in the ejecta was much larger than before impact; (iii) the new activity did not last more than a few days, and by 9 July the comet's behavior was indistinguishable from its pre-impact behavior; and (iv) there were interesting transient phenomena that may be correlated with cratering physics.
2005年7月4日，全球众多地面及太空天文台观测了“深度撞击”号与9P/坦普尔1号彗星的碰撞过程或其后续情况。这是一次史无前例的协同观测活动。这些数据表明：（i）撞击后出现了成分与撞击前不同的新物质；（ii）喷射物中尘埃质量与气体质量之比远大于撞击前；（iii）新的活跃状态持续不超过几天，到7月9日，彗星的行为与撞击前已无差别；（iv）出现了一些有趣的瞬态现象，可能与撞击坑形成物理过程相关。
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