Deep impact: observations from a worldwide earth-based campaign

Meech, K. J.; Ageorges, N.; Hearn, M. F. A.; 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.; Battacharya, B.; Biver, N.; Blake, G.; Bocklee-Morvan, D.; Boehnhardt, H.; Bonev, B. P.; Bonev, T.; Buie, M.V.; 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.; deBuzier, J.; Dekany, R.; de Leon, J.; Dello Russo, N.; Delsanti, A.; DiSanti, M.; Drummond, J.; Dundon, L.; Etzel, P. B.; Farnham, T. L.; Feldman, P.; Fernandez, Y. R.; Filipovic, M. D.; Fisher, S.; Fitzsimmons, A.; Fong, D.; Fugate, R.; Fujiewara, 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.; Hutsemekers, D.; Iono, D.; Ip, W.-H.; Jackson, W.; Jehin, E.; Jiang, Z. J.; Jones, G. H.; Jones, P. A.; Kadono, T.; Kamath, U. W.; Kaufl, 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.; Schultz, R.; Seitzer, P.; Sekiguchi, T.; Selman, F.; Serra-Ricart, M.; Sharp, R.; Snell, R. L.; Snodgrass, C.; Stallard, T.; Stecklein, G.; Sterken, C.; Stuwe, 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. and Zucconi, J.-M. (2005). Deep impact: observations from a worldwide earth-based campaign. Science, 310(5746) pp. 265–269.

DOI: https://doi.org/10.1126/science.1118978

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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