Deep Impact: Observations from a Worldwide Earth-Based Campaign
Author:
Meech K. J.12345, Ageorges N.12345, A'Hearn M. F.12345, Arpigny C.12345, Ates A.12345, Aycock J.12345, Bagnulo S.12345, Bailey J.12345, Barber R.12345, Barrera L.12345, Barrena R.12345, Bauer J. M.12345, Belton M. J. S.12345, Bensch F.12345, Bhattacharya B.12345, Biver N.12345, Blake G.12345, Bockelée-Morvan D.12345, Boehnhardt H.12345, Bonev B. P.12345, Bonev T.12345, Buie M. W.12345, Burton M. G.12345, Butner H. M.12345, Cabanac R.12345, Campbell R.12345, Campins H.12345, Capria M. T.12345, Carroll T.12345, Chaffee F.12345, Charnley S. B.12345, Cleis R.12345, Coates A.12345, Cochran A.12345, Colom P.12345, Conrad A.12345, Coulson I. M.12345, Crovisier J.12345, deBuizer J.12345, Dekany R.12345, de Léon J.12345, Russo N. Dello12345, Delsanti A.12345, DiSanti M.12345, Drummond J.12345, Dundon L.12345, Etzel P. B.12345, Farnham T. L.12345, Feldman P.12345, Fernández Y. R.12345, Filipovic M. D.12345, Fisher S.12345, Fitzsimmons A.12345, Fong D.12345, Fugate R.12345, Fujiwara H.12345, Fujiyoshi T.12345, Furusho R.12345, Fuse T.12345, Gibb E.12345, Groussin O.12345, Gulkis S.12345, Gurwell M.12345, Hadamcik E.12345, Hainaut O.12345, Harker D.12345, Harrington D.12345, Harwit M.12345, Hasegawa S.12345, Hergenrother C. W.12345, Hirst P.12345, Hodapp K.12345, Honda M.12345, Howell E. S.12345, Hutsemékers D.12345, Iono D.12345, Ip W.-H.12345, Jackson W.12345, Jehin E.12345, Jiang Z. J.12345, Jones G. H.12345, Jones P. A.12345, Kadono T.12345, Kamath U. W.12345, Käufl H. U.12345, Kasuga T.12345, Kawakita H.12345, Kelley M. S.12345, Kerber F.12345, Kidger M.12345, Kinoshita D.12345, Knight M.12345, Lara L.12345, Larson S. M.12345, Lederer S.12345, Lee C.-F.12345, Levasseur-Regourd A. C.12345, Li J. Y.12345, Li Q.-S.12345, Licandro J.12345, Lin Z.-Y.12345, Lisse C. M.12345, LoCurto G.12345, Lovell A. J.12345, Lowry S. C.12345, Lyke J.12345, Lynch D.12345, Ma J.12345, Magee-Sauer K.12345, Maheswar G.12345, Manfroid J.12345, Marco O.12345, Martin P.12345, Melnick G.12345, Miller S.12345, Miyata T.12345, Moriarty-Schieven G. H.12345, Moskovitz N.12345, Mueller B. E. A.12345, Mumma M. J.12345, Muneer S.12345, Neufeld D. A.12345, Ootsubo T.12345, Osip D.12345, Pandea S. K.12345, Pantin E.12345, Paterno-Mahler R.12345, Patten B.12345, Penprase B. E.12345, Peck A.12345, Petitas G.12345, Pinilla-Alonso N.12345, Pittichova J.12345, Pompei E.12345, Prabhu T. P.12345, Qi C.12345, Rao R.12345, Rauer H.12345, Reitsema H.12345, Rodgers S. D.12345, Rodriguez P.12345, Ruane R.12345, Ruch G.12345, Rujopakarn W.12345, Sahu D. K.12345, Sako S.12345, Sakon I.12345, Samarasinha N.12345, Sarkissian J. M.12345, Saviane I.12345, Schirmer M.12345, Schultz P.12345, Schulz R.12345, Seitzer P.12345, Sekiguchi T.12345, Selman F.12345, Serra-Ricart M.12345, Sharp R.12345, Snell R. L.12345, Snodgrass C.12345, Stallard T.12345, Stecklein G.12345, Sterken C.12345, Stüwe J. A.12345, Sugita S.12345, Sumner M.12345, Suntzeff N.12345, Swaters R.12345, Takakuwa S.12345, Takato N.12345, Thomas-Osip J.12345, Thompson E.12345, Tokunaga A. T.12345, Tozzi G. P.12345, Tran H.12345, Troy M.12345, Trujillo C.12345, Van Cleve J.12345, Vasundhara R.12345, Vazquez R.12345, Vilas F.12345, Villanueva G.12345, von Braun K.12345, Vora P.12345, Wainscoat R. J.12345, Walsh K.12345, Watanabe J.12345, Weaver H. A.12345, Weaver W.12345, Weiler M.12345, Weissman P. R.12345, Welsh W. F.12345, Wilner D.12345, Wolk S.12345, Womack M.12345, Wooden D.12345, Woodney L. M.12345, Woodward C.12345, Wu Z.-Y.12345, Wu J.-H.12345, Yamashita T.12345, Yang B.12345, Yang Y.-B.12345, Yokogawa S.12345, Zook A. C.12345, Zauderer A.12345, Zhao X.12345, Zhou X.12345, Zucconi J.-M.12345
Affiliation:
1. Institute for Astronomy, University of Hawaii at Manoa, 2680 Woodlawn Drive, Honolulu, HI 96822, USA. 2. European Southern Observatory, Casilla 19001, Santiago 19, Chile. 3. University of Maryland, College Park, MD 20742, USA. 4. Université de Liège, B-4000 Liège, Belgium. 5. Pomona College, Claremont, CA 91711, USA.
Abstract
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.
Publisher
American Association for the Advancement of Science (AAAS)
Subject
Multidisciplinary
Reference18 articles.
1. Deep Impact: Working Properties for the Target Nucleus – Comet 9P/Tempel 1 2. The Deep Impact Earth-Based Campaign 3. Note that for succinctness the term “Earth-based” is used to describe observations from ground-based telescopes Earth-orbiting telescopes and Sun-orbiting telescopes. 4. Z. Sekanina, H. Boehnhardt, Earth Moon Planets78, 313 (1999). 5. L. Lara et al . in preparation.
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