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Deep Impact: Observations from a Worldwide Earth-Based Campaign

Deep Impact: Observations from a Worldwide Earth-Based Campaign

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; Farnham, T. L; Feldman, P; Fernández, Y. R; Filipovic, M. D; Lyke, J; Fisher, S; Fitzsimmons, A; Fong, D; Fugate, R; Jones, G. H; Serra-Ricart, M; Fujiwara, H; Fujiyoshi, T; Furusho, R; Fuse, T; Gibb, E; Groussin, O; Lynch, D; Gulkis, S; Gurwell, M; Hadamcik, E; Sharp, R; Magee, S. K; Hainaut, O; Harker, D; Harrington, D; Harwit, M; Hasegawa, S; Hergenrother, C. W; Hirst, P; Ma, J; Hodapp, K; Snell, R. L; Villanueva, G; Jones, P. A; Kadono, T; Kamath, U. W; Käufl, H. U; Kasuga, T; Kawakita, H; Kelley, M. S; Kerber, F; Kidger, M; Snodgrass, C; Kinoshita, D; von Braun, K; Maheswar, G; Knight, M; Lara, L; Larson, S. M; Lederer, S; Lee, C. F; Levasseur-Regourd, A. C; Li, J. Y; Blake, G; Li, Q. S; Licandro, J; Vora, P; Bauer, J. M; Manfroid, J; Marco, O; Martin, P; Melnick, G; Miller, S; Miyata, T; Stallard, T; Moriarty-Schieven, G. H; Moskovitz, N; Mueller, B. E. A; Wainscoat, R. J; Mumma, M. J; Belton, M. J. S; Muneer, S; Neufeld, D. A; Ootsubo, T; Osip, D; Stecklein, G; Pandea, S. K; Pantin, E; Paterno-Mahler, R; Patten, B; Walsh, K; Penprase, B. E; Peck, A; Bensch, F; Petitpas, G; Pinilla-Alonso, N; Sterken, C; Pittichova, J; Pompei, E; Prabhu, T. P; Qi, C; Rao, R; Watanabe, J; Rauer, H; Reitsema, H; Rodgers, S. D; Bhattacharya, B; Stüwe, J. A; Rodriguez, P; Ruane, R; Ruch, G; Rujopakarn, W; Sahu, D. K; Sako, S; Weaver, H. A; Sakon, I; Samarasinha, N; Sarkissian, J. M; Weiler, M; Saviane, I; Biver, N; Schirmer, M; Schultz, P; Schulz, R; Seitzer, P; Sekiguchi, T; Weaver, W; Selman, F; Honda, M; Sugita, S; Sumner, M; Suntzeff, N; Swaters, R; Takakuwa, S; Takato, N; Bockelée-Morvan, D; Thomas-Osip, J; Thompson, E; Tokunaga, A. T; Howell, E. S; Bonev, B. P; Tozzi, G. P; Tran, H; Troy, M; Trujillo, C; Van Cleve, J; Vasundhara, R; Vazquez, R; Boehnhardt, H; Vilas, F; Hutsemékers, D; Lin, Z. Y; Weissman, P. R; Welsh, W. F; Wilner, D; Wolk, S; Womack, M; Wooden, D; Woodney, L. M; Woodward, C; Wu, Z. Y; Iono, D; Wu, J. H; Lisse, C. M; Bonev, T; Yamashita, T; Yang, B; Yang, Y. B; Yokogawa, S; Zook, A. C; Zauderer, A; Zhao, X; Ip, W. H; Zhou, X; Zucconi, J. M; LoCurto, G; Buie, M. W; Burton, M. G; Butner, H. M; Cabanac, R; Campbell, R; Campins, H; Capria, M. T; Jackson, W; Carroll, T; Chaffee, F; Charnley, S. B; Lovell, A. J; Cleis, R; Coates, A; Cochran, A; Colom, P; Conrad, A; Coulson, I. M; Jehin, E; Crovisier, J; deBuizer, J; Dekany, R; de Léon, J; Lowry, S. C; Dello Russo, N; Delsanti, A; DiSanti, M; Drummond, J; Dundon, L; Jiang, Z. J; Etzel, P. B
URI: http://hdl.handle.net/2248/3415
Date: 2005-10

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.

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