EPOXI: Comet 103P/Hartley 2 Observations from a Worldwide Campaign

{Garc'i}a-Hernández, D ~A; {Rodr'i}guez, D ~P; {Trigo-Rodr'i}guez, J ~M; Meech, Kj J.; A’Hearn, M. F.; Adams, Ja A.; Bacci, P.; Bai, J.; Barrera, L.; Battelino, M.; de Val Borro, M.; Bauer, Jm M.; Becklin, E.; Russo, N. Dello; Bhatt, B.; Biver, N.; Ovelar, M. de Juan; Bockelée-Morvan, D.; Bodewits, D.; Böhnhardt, H.; Boissier, J.; Bonev, B. P.; Val-Borro, M. de; Borghini, W.; Brucato, J. R.; Bryssinck, E.; Buie, M. W.; Canovas, H.; Castellano, D.; Charnley, S. B.; Chen, W. P.; Chiang, P.; Choi, Y*-J-J.; Christian, D. J.; Vervack, R. J.; Chuang, Y*-L-L.; Cochran, A. L.; Colom, P.; Combi, M. R.; Coulson, I. M.; Crovisier, J.; Dello Russo, N.; Dennerl, K.; DeWahl, K.; Disanti, M. A.; Facchini, M.; Farnham, T. L.; Fernández, Y.; Florén, H. G.; R ~J, Vervack Jr; Frisk, U.; Fujiyoshi, T.; Furusho, R.; Fuse, T.; Galli, G.; García-Hernández, D. A.; Gersch, A.; Getu, Z.; Gibb, E. L.; Gillon, Michaël; Guido, E.; Guillermo, Retamales A.; Hadamcik, Edith; Hainaut, O.; Hammel, H. B.; Harker, D. E.; Harmon, J. K.; Harris, W. M.; A'Hearn, M. F.; Hartogh, P.; Hashimoto, M.; Häusler, B.; Herter, T.; Hjalmarson, A.; Holland, S. T.; Honda, M.; Hosseini, S.; Howell, E. S.; Howes, N.; Hsieh, H. H.; Hsiao, H*-Y-Y.; Hutsemékers, Damien; Immler, S. M.; Jackson, W. M.; Jeffers, S. V.; Jehin, Emmanuel; Jones, T. J.; AH́earn,; Kaluna, H. M.; Karlsson, T.; Kawakita, H.; Keane, J. V.; Keller, L. D.; Juan Ovelar, M. de; Kelley, M. S.; Kinoshita, D.; Kiselev, N. N.; Kleyna, J.; Knight, M. M.; Kobayashi, H.; Kobulnicky, H. A.; Kolokolova, L.; Kreiny, M.; Kuan, Y*-J-J.; Boehnhardt, H.; Küppers, M.; Lacruz, J. M.; Landsman, W. B.; Lara, L. M.; Lecacheux, A.; Levasseur-Regourd, Anny Chantal; Li, B.; Licandro, J.; Ligustri, R.; Lin, Z*-Y-Y.; Lippi, M.; Lis, D. C.; Lisse, C. M.; Lovell, A. J.; Lowry, S. C.; Lu, H.; Lundin, S.; Magee-Sauer, K.; Magain, Pierre; Manfroid, Jean; Haeusler, B.; Mazzotta Epifani, E.; Mckay, A.; Melita, M. D.; Mikuz, H.; Milam, S. N.; Milani, G.; Min, M.; Moreno, R.; Mueller, B. E. A.; Mumma, M. J.; Nicolini, M.; Nolan, M. C.; Team, Odin; Nordh, H. L.; Nowajewski, P. B.; Paganini, L.; Perrella, C.; Ootsubo, T.; Pittichová, J.; Prosperi, E.; Radeva, Y. L.; Reach, W. T.; Remijan, A. J.; Rengel, M.; Riesen, T. E.; Rodenhuis, M.; Rodríguez, D. P.; Russell, R. W.; Sahu, D. K.; Samarasinha, N. H.; Sánchez Caso, A.; Sandqvist, A.; Sarid, G.; Sato, M.; Schleicher, D. G.; Schwieterman, E. W.; Sen, A. K.; Shenoy, D.; Shi, J*-C-C.; Shinnaka, Y.; Skvarc, J.; Snodgrass, C.; Sitko, M. L.; Sonnett, S.; Sosseini, S.; Sostero, G.; Sugita, S.; Swinyard, B. M.; Szutowicz, S.; Takato, N.; Tanga, P.; Taylor, P. A.; Tozzi, G*-P-P.; Trabatti, R.; Trigo-Rodríguez, J. M.; Tubiana, C.; de Val-Borro, M.; Vacca, W.; Vandenbussche, B.; Vaubaillion, J.; Velichko, F. P.; De Juan Ovelar, M.; Velichko, S. F.; Vidal-Nunez, M. J.; Villanueva, G. L.; Kueppers, M.; Vinante, C.; Vincent, J*-B-B.; Wang, M.; Wasserman, L. H.; Jr, R. J. Vervack; Watanabe, J.; Weaver, H. A.; K., A.; Weissman, P. R.; Wolk, S.; Wooden, D. H.; Hjalmarson, Åke; Woodward, C. E.; Yamaguchi, M.; Yamashita, T.; Yanamandra-Fischer, P. A.; Howell, Robert R.; Yang, B.; Epifani, E. Mazzotta; Yao, J*-S-S.; Yeomans, D. K.; Zenn, T.; Zhao, H.; Caso, A. Sánchez; Ziffer, Julie E.; Others,

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Dennis Bodewits
{Garc'i}a-Hernández et al., 2011

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American Astronomical Society, Astrophysical Journal Letters, 1(734), p. L1, 2011

DOI: 10.1088/2041-8205/734/1/l1

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@article{{Garc'i}a-Hernández2011,
  abstract = {Earth- and space-based observations provide synergistic information for space mission encounters by providing data over longer timescales, at different wavelengths and using techniques that are impossible with an in situ flyby. We report here such observations in support of the EPOXI spacecraft flyby of comet 103P/Hartley 2. The nucleus is small and dark, and exhibited a very rapidly changing rotation period. Prior to the onset of activity, the period was 16.4hr. Starting in 2010 August the period changed from 16.6hr to near 19hr in December. With respect to dust composition, most volatiles and carbon and nitrogen isotope ratios, the comet is similar to other Jupiter-family comets. What is unusual is the dominance of CO2-driven activity near perihelion, which likely persists out to aphelion. Near perihelion the comet nucleus was surrounded by a large halo of water-ice grains that contributed significantly to the total water production. © 2011. The American Astronomical Society. All rights reserved.},
  author = {{Garc'i}a-Hernández, D ~A and {Rodr'i}guez, D ~P and {Trigo-Rodr'i}guez, J ~M and Meech, Kj J. and A’Hearn, M. F. and Adams, Ja A. and Bacci, P. and Bai, J. and Barrera, L. and Battelino, M. and de Val Borro, M. and Bauer, Jm M. and Becklin, E. and Russo, N. Dello and Bhatt, B. and Biver, N. and Ovelar, M. de Juan and Bockelée-Morvan, D. and Bodewits, D. and Böhnhardt, H. and Boissier, J. and Bonev, B. P. and Val-Borro, M. de and Borghini, W. and Brucato, J. R. and Bryssinck, E. and Buie, M. W. and Canovas, H. and Castellano, D. and Charnley, S. B. and Chen, W. P. and Chiang, P. and Choi, Y*-J-J. and Christian, D. J. and Vervack, R. J. and Chuang, Y*-L-L. and Cochran, A. L. and Colom, P. and Combi, M. R. and Coulson, I. M. and Crovisier, J. and Dello Russo, N. and Dennerl, K. and DeWahl, K. and Disanti, M. A. and Facchini, M. and Farnham, T. L. and Fernández, Y. and Florén, H. G. and R ~J, Vervack Jr and Frisk, U. and Fujiyoshi, T. and Furusho, R. and Fuse, T. and Galli, G. and García-Hernández, D. A. and Gersch, A. and Getu, Z. and Gibb, E. L. and Gillon, Michaël and Guido, E. and Guillermo, Retamales A. and Hadamcik, Edith and Hainaut, O. and Hammel, H. B. and Harker, D. E. and Harmon, J. K. and Harris, W. M. and A'Hearn, M. F. and Hartogh, P. and Hashimoto, M. and Häusler, B. and Herter, T. and Hjalmarson, A. and Holland, S. T. and Honda, M. and Hosseini, S. and Howell, E. S. and Howes, N. and Hsieh, H. H. and Hsiao, H*-Y-Y. and Hutsemékers, Damien and Immler, S. M. and Jackson, W. M. and Jeffers, S. V. and Jehin, Emmanuel and Jones, T. J. and AH́earn,  and Kaluna, H. M. and Karlsson, T. and Kawakita, H. and Keane, J. V. and Keller, L. D. and Juan Ovelar, M. de and Kelley, M. S. and Kinoshita, D. and Kiselev, N. N. and Kleyna, J. and Knight, M. M. and Kobayashi, H. and Kobulnicky, H. A. and Kolokolova, L. and Kreiny, M. and Kuan, Y*-J-J. and Boehnhardt, H. and Küppers, M. and Lacruz, J. M. and Landsman, W. B. and Lara, L. M. and Lecacheux, A. and Levasseur-Regourd, Anny Chantal and Li, B. and Licandro, J. and Ligustri, R. and Lin, Z*-Y-Y. and Lippi, M. and Lis, D. C. and Lisse, C. M. and Lovell, A. J. and Lowry, S. C. and Lu, H. and Lundin, S. and Magee-Sauer, K. and Magain, Pierre and Manfroid, Jean and Haeusler, B. and Mazzotta Epifani, E. and Mckay, A. and Melita, M. D. and Mikuz, H. and Milam, S. N. and Milani, G. and Min, M. and Moreno, R. and Mueller, B. E. A. and Mumma, M. J. and Nicolini, M. and Nolan, M. C. and Team, Odin and Nordh, H. L. and Nowajewski, P. B. and Paganini, L. and Perrella, C. and Ootsubo, T. and Pittichová, J. and Prosperi, E. and Radeva, Y. L. and Reach, W. T. and Remijan, A. J. and Rengel, M. and Riesen, T. E. and Rodenhuis, M. and Rodríguez, D. P. and Russell, R. W. and Sahu, D. K. and Samarasinha, N. H. and Sánchez Caso, A. and Sandqvist, A. and Sarid, G. and Sato, M. and Schleicher, D. G. and Schwieterman, E. W. and Sen, A. K. and Shenoy, D. and Shi, J*-C-C. and Shinnaka, Y. and Skvarc, J. and Snodgrass, C. and Sitko, M. L. and Sonnett, S. and Sosseini, S. and Sostero, G. and Sugita, S. and Swinyard, B. M. and Szutowicz, S. and Takato, N. and Tanga, P. and Taylor, P. A. and Tozzi, G*-P-P. and Trabatti, R. and Trigo-Rodríguez, J. M. and Tubiana, C. and de Val-Borro, M. and Vacca, W. and Vandenbussche, B. and Vaubaillion, J. and Velichko, F. P. and De Juan Ovelar, M. and Velichko, S. F. and Vidal-Nunez, M. J. and Villanueva, G. L. and Kueppers, M. and Vinante, C. and Vincent, J*-B-B. and Wang, M. and Wasserman, L. H. and Jr, R. J. Vervack and Watanabe, J. and Weaver, H. A. and K., A. and Weissman, P. R. and Wolk, S. and Wooden, D. H. and Hjalmarson, Åke and Woodward, C. E. and Yamaguchi, M. and Yamashita, T. and Yanamandra-Fischer, P. A. and Howell, Robert R. and Yang, B. and Epifani, E. Mazzotta and Yao, J*-S-S. and Yeomans, D. K. and Zenn, T. and Zhao, H. and Caso, A. Sánchez and Ziffer, Julie E. and Others, },
  doi = {10.1088/2041-8205/734/1/l1},
  journal = {Astrophysical Journal Letters},
  month = {may},
  pages = {L1},
  title = {EPOXI: Comet 103P/Hartley 2 Observations from a Worldwide Campaign},
  url = {https://doi.org/10.1088/2041-8205/734/1/l1},
  volume = {734},
  year = {2011}
}

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EPOXI: Comet 103P/Hartley 2 Observations from a Worldwide Campaign

Journal article published in 2011 by D ~A {Garc'i}a-Hernández, D ~P {Rodr'i}guez, J ~M {Trigo-Rodr'i}guez, Kj J. Meech, M. F. A’Hearn, Ja A. Adams, P. Bacci, J. Bai, L. Barrera, M. Battelino, M. de Val Borro, Jm M. Bauer, E. Becklin, N. Dello Russo, B. Bhatt and other authors. D ~A {Garc'i}a-Hernández, D ~P {Rodr'i}guez, J ~M {Trigo-Rodr'i}guez, Kj J. Meech, M. F. A’Hearn, Ja A. Adams, P. Bacci, J. Bai, L. Barrera, M. Battelino, M. de Val Borro, Jm M. Bauer, E. Becklin, N. Dello Russo, B. Bhatt, N. Biver, M. de Juan Ovelar, D. Bockelée-Morvan, D. Bodewits

, H. Böhnhardt, J. Boissier, B. P. Bonev, M. de Val-Borro, W. Borghini, J. R. Brucato, E. Bryssinck, M. W. Buie, H. Canovas, D. Castellano, S. B. Charnley, W. P. Chen, P. Chiang, Y*-J-J. Choi, D. J. Christian

, R. J. Vervack, Y*-L-L. Chuang, A. L. Cochran, P. Colom, M. R. Combi, I. M. Coulson, J. Crovisier, N. Dello Russo, K. Dennerl, K. DeWahl, M. A. Disanti, M. Facchini, T. L. Farnham, Y. Fernández, H. G. Florén, Vervack Jr R ~J, U. Frisk, T. Fujiyoshi, R. Furusho, T. Fuse, G. Galli, D. A. García-Hernández

, A. Gersch, Z. Getu, E. L. Gibb, Michaël Gillon, E. Guido, Retamales A. Guillermo, Edith Hadamcik, O. Hainaut, H. B. Hammel, D. E. Harker

, J. K. Harmon, W. M. Harris, M. F. A'Hearn, P. Hartogh, M. Hashimoto, B. Häusler, T. Herter, A. Hjalmarson, S. T. Holland, M. Honda, S. Hosseini, E. S. Howell, N. Howes, H. H. Hsieh, H*-Y-Y. Hsiao, Damien Hutsemékers, S. M. Immler, W. M. Jackson, S. V. Jeffers, Emmanuel Jehin, T. J. Jones, AH́earn, H. M. Kaluna, T. Karlsson, H. Kawakita, J. V. Keane, L. D. Keller, M. de Juan Ovelar, M. S. Kelley, D. Kinoshita, N. N. Kiselev, J. Kleyna, M. M. Knight, H. Kobayashi, H. A. Kobulnicky, L. Kolokolova, M. Kreiny, Y*-J-J. Kuan, H. Boehnhardt, M. Küppers, J. M. Lacruz, W. B. Landsman, L. M. Lara, A. Lecacheux, Anny Chantal Levasseur-Regourd, B. Li, J. Licandro, R. Ligustri, Z*-Y-Y. Lin, M. Lippi, D. C. Lis, C. M. Lisse

, A. J. Lovell, S. C. Lowry, H. Lu, S. Lundin, K. Magee-Sauer, Pierre Magain, Jean Manfroid, B. Haeusler, E. Mazzotta Epifani, A. Mckay, M. D. Melita, H. Mikuz, S. N. Milam

, G. Milani, M. Min, R. Moreno, B. E. A. Mueller, M. J. Mumma, M. Nicolini, M. C. Nolan, Odin Team, H. L. Nordh, P. B. Nowajewski, L. Paganini, C. Perrella, T. Ootsubo, J. Pittichová, E. Prosperi, Y. L. Radeva, W. T. Reach, A. J. Remijan, M. Rengel, T. E. Riesen, M. Rodenhuis, D. P. Rodríguez, R. W. Russell, D. K. Sahu, N. H. Samarasinha, A. Sánchez Caso, A. Sandqvist, G. Sarid, M. Sato, D. G. Schleicher, E. W. Schwieterman, A. K. Sen, D. Shenoy, J*-C-C. Shi, Y. Shinnaka, J. Skvarc, C. Snodgrass

, M. L. Sitko, S. Sonnett, S. Sosseini, G. Sostero, S. Sugita, B. M. Swinyard, S. Szutowicz, N. Takato, P. Tanga

, P. A. Taylor, G*-P-P. Tozzi, R. Trabatti, J. M. Trigo-Rodríguez, C. Tubiana, M. de Val-Borro

, W. Vacca, B. Vandenbussche, J. Vaubaillion, F. P. Velichko, M. De Juan Ovelar, S. F. Velichko, M. J. Vidal-Nunez, G. L. Villanueva, M. Kueppers, C. Vinante, J*-B-B. Vincent, M. Wang, L. H. Wasserman, R. J. Vervack Jr, J. Watanabe, H. A. Weaver, A. K., P. R. Weissman, S. Wolk, D. H. Wooden, Åke Hjalmarson, C. E. Woodward, M. Yamaguchi, T. Yamashita, P. A. Yanamandra-Fischer, Robert R. Howell, B. Yang, E. Mazzotta Epifani, J*-S-S. Yao, D. K. Yeomans, T. Zenn, H. Zhao, A. Sánchez Caso, Julie E. Ziffer, Others

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Abstract

Earth- and space-based observations provide synergistic information for space mission encounters by providing data over longer timescales, at different wavelengths and using techniques that are impossible with an in situ flyby. We report here such observations in support of the EPOXI spacecraft flyby of comet 103P/Hartley 2. The nucleus is small and dark, and exhibited a very rapidly changing rotation period. Prior to the onset of activity, the period was 16.4hr. Starting in 2010 August the period changed from 16.6hr to near 19hr in December. With respect to dust composition, most volatiles and carbon and nitrogen isotope ratios, the comet is similar to other Jupiter-family comets. What is unusual is the dominance of CO2-driven activity near perihelion, which likely persists out to aphelion. Near perihelion the comet nucleus was surrounded by a large halo of water-ice grains that contributed significantly to the total water production. © 2011. The American Astronomical Society. All rights reserved.

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EPOXI: Comet 103P/Hartley 2 Observations from a Worldwide Campaign

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