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.; Bauer, J. M.; Belton, M. J. S.; Bensch, F.; Bhattacharya, B.; Biver,
N.; Blake, G.; Bockelee-Morvan, D.; Boehnhardt, H.; Bonev, B. P.; Bonev,
T.; Buie, M. W.; 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.; deBuizer, 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, R. 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, 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.; Petitpas,
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.; Schulz, 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,
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Vasundhara, R.; Vazquez, R.; Vilas, F.; Villanueva, G.; von Braun, K.;
Vora, P.; Wainscoat, R. J.; Walsh, K.; Watanabe, J.; Weaver, H. A.;
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J.-H.; Yamashita, T.; Yang, B.; Yang, Y.-B.; Yokogawa, S.; Zook, A. C.;
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Science, 310, 265-269 (2005).
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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