Deep Impact: Observation from a worldwide earth-based campaign

K. J. Meech, N. Ageorges, M. F. A'Hearn, C. Arpigny, A. Ates, J. Aycock, S. Bagnulo, J. Bailey, R. Barber, L. Barrera, R. Barrena, J. M. Bauer, M. J S Belton, F. Bensch, B. Bhattacharya, N. Biver, G. Blake, D. Bockelée-Morvan, H. Boehnhardt, B. P. BonevT. Bonev, M. W. Buie, M. G. Burton, H. M. Butner, R. Cabanac, R. Campbell, H. Campins, M. T. Capria, T. Carroll, F. Chaffee, S. B. Charnley, R. Cleis, A. Coates, A. Cochran, P. Colom, A. Conrad, I. M. Coulson, J. Crovisier, J. DeBuizer, R. Dekany, J. De Léon, N. Dello Russo, A. Delsanti, M. DiSanti, J. Drummond, L. Dundon, P. B. Etzel, T. L. Farnham, P. Feldman, Y. R. Fernández, M. D. Filipovic, S. Fisher, A. Fitzsimmons, D. Fong, R. Fugate, H. Fujiwara, T. Fujiyoshi, R. Furusho, T. Fuse, E. Gibb, O. Groussin, S. Gulkis, M. Gurwell, E. Hadamcik, O. Hainaut, D. Harker, D. Harrington, M. Harwit, S. Hasegawa, C. W. Hergenrother, P. Hirst, K. Hodapp, M. Honda, E. S. Howell, D. Hutsemékers, O. Iono, W. H. Ip, W. Jackson, E. Jehin, Z. J. Jiang, G. H. Jones, P. A. Jones, T. Kadono, U. W. Kamath, H. U. Käufl, T. Kasuga, H. Kawakita, M. S. Kelley, F. Kerber, M. Kidger, D. Kinoshita, M. Knight, L. Lara, S. M. Larson, S. Lederer, C. F. Lee, A. C. Levasseur-Regourd, J. Y. Li, Q. S. Li, J. Licandro, Z. Y. Lin, C. M. Lisse, G. LoCurto, A. J. Lovell, S. C. Lowry, J. Lyke, D. Lynch, J. Ma, K. Magee-Sauer, G. Maheswar, J. Manfroid, O. Marco, P. Martin, G. Melnick, S. Miller, T. Miyata, G. H. Moriarty-Schieven, N. Moskovitz, B. E A Mueller, M. J. Mumma, S. Muneer, D. A. Neufeld, T. Ootsubo, D. Osip, S. K. Pandea, E. Pantin, R. Paterno-Mahler, B. Patten, B. E. Penprase, A. Peck, G. Petitas, N. Pinilla-Alonso, J. Pittichova, E. Pompei, T. P. Prabhu, C. Qi, R. Rao, H. Rauer, H. Reitsema, S. D. Rodgers, P. Rodriguez, R. Ruane, G. Ruch, W. Rujopakarn, D. K. Sahu, S. Sako, I. Sakon, N. Samarasinha, J. M. Sarkissian, I. Saviane, M. Schirmer, P. Schultz, R. Schulz, P. Seitzer, T. Sekiguchi, F. Selman, M. Serra-Ricart, R. Sharp, R. L. Snell, C. Snodgrass, T. Stallard, G. Stecklein, C. Sterken, J. A. Stüwe, S. Sugita, M. Sumner, N. Suntzeff, R. Swaters, S. Takakuwa, N. Takato, J. Thomas-Osip, E. Thompson, A. T. Tokunaga, G. P. Tozzi, H. Tran, M. Troy, C. Trujillo, J. Van Cleve, R. Vasundhara, R. Vazquez, F. Vilas, G. Villanueva, K. Von Braun, P. Vora, R. J. Wainscoat, K. Walsh, J. Watanabe, H. A. Weaver, W. Weaver, M. Weiler, P. R. Weissman, W. F. Welsh, D. Wilner, S. Wolk, M. Womack, D. Wooden, L. M. Woodney, C. Woodward, Z. Y. Wu, J. H. Wu, T. Yamashita, B. Yang, Y. B. Yang, S. Yokogawa, A. C. Zook, A. Zauderer, X. Zhao, X. Zhou, J. M. Zucconi

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    178 Scopus citations

    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.

    Original languageEnglish (US)
    Pages (from-to)265-269
    Number of pages5
    JournalScience
    Volume310
    Issue number5746
    DOIs
    StatePublished - Oct 14 2005

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