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Science. 2005 Oct 14;310(5746):265-9. Epub 2005 Sep 8.

Deep Impact: observations from a worldwide Earth-based campaign.

Meech KJ1, Ageorges N, A'Hearn MF, Arpigny C, Ates A, Aycock J, Bagnulo S, Bailey J, Barber R, Barrera L, Barrena R, Bauer JM, Belton MJ, Bensch F, Bhattacharya B, Biver N, Blake G, Bockelée-Morvan D, Boehnhardt H, Bonev BP, Bonev T, Buie MW, Burton MG, Butner HM, Cabanac R, Campbell R, Campins H, Capria MT, Carroll T, Chaffee F, Charnley SB, Cleis R, Coates A, Cochran A, Colom P, Conrad A, Coulson IM, Crovisier J, deBuizer J, Dekany R, de Léon J, Dello Russo N, Delsanti A, DiSanti M, Drummond J, Dundon L, Etzel PB, Farnham TL, Feldman P, Fernández YR, Filipovic MD, 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 CW, Hirst P, Hodapp K, Honda M, Howell ES, Hutsemékers D, Iono D, Ip WH, Jackson W, Jehin E, Jiang ZJ, Jones GH, Jones PA, Kadono T, Kamath UW, Käufl HU, Kasuga T, Kawakita H, Kelley MS, Kerber F, Kidger M, Kinoshita D, Knight M, Lara L, Larson SM, Lederer S, Lee CF, Levasseur-Regourd AC, Li JY, Li QS, Licandro J, Lin ZY, Lisse CM, LoCurto G, Lovell AJ, Lowry SC, 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 GH, Moskovitz N, Mueller BE, Mumma MJ, Muneer S, Neufeld DA, Ootsubo T, Osip D, Pandea SK, Pantin E, Paterno-Mahler R, Patten B, Penprase BE, Peck A, Petitas G, Pinilla-Alonso N, Pittichova J, Pompei E, Prabhu TP, Qi C, Rao R, Rauer H, Reitsema H, Rodgers SD, Rodriguez P, Ruane R, Ruch G, Rujopakarn W, Sahu DK, Sako S, Sakon I, Samarasinha N, Sarkissian JM, Saviane I, Schirmer M, Schultz P, Schulz R, Seitzer P, Sekiguchi T, Selman F, Serra-Ricart M, Sharp R, Snell RL, Snodgrass C, Stallard T, Stecklein G, Sterken C, Stüwe JA, Sugita S, Sumner M, Suntzeff N, Swaters R, Takakuwa S, Takato N, Thomas-Osip J, Thompson E, Tokunaga AT, Tozzi GP, Tran H, Troy M, Trujillo C, Van Cleve J, Vasundhara R, Vazquez R, Vilas F, Villanueva G, von Braun K, Vora P, Wainscoat RJ, Walsh K, Watanabe J, Weaver HA, Weaver W, Weiler M, Weissman PR, Welsh WF, Wilner D, Wolk S, Womack M, Wooden D, Woodney LM, Woodward C, Wu ZY, Wu JH, Yamashita T, Yang B, Yang YB, Yokogawa S, Zook AC, Zauderer A, Zhao X, Zhou X, Zucconi JM.

Author information

1
Institute for Astronomy, University of Hawaii at Manoa, 2680 Woodlawn Drive, Honolulu, HI 96822, 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.

PMID:
16150977
DOI:
10.1126/science.1118978
[Indexed for MEDLINE]
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