Search Results - "A'Hearn, M."

Report of the IAU Working Group on Cartographic Coordinates and Rotational Elements: 2009 by Archinal, B. A., A’Hearn, M. F., Bowell, E., Conrad, A., Consolmagno, G. J., Courtin, R., Fukushima, T., Hestroffer, D., Hilton, J. L., Krasinsky, G. A., Neumann, G., Oberst, J., Seidelmann, P. K., Stooke, P., Tholen, D. J., Thomas, P. C., Williams, I. P.

“…Every three years the IAU Working Group on Cartographic Coordinates and Rotational Elements revises tables giving the directions of the poles of rotation and…”
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Images of Asteroid 21 Lutetia: A Remnant Planetesimal from the Early Solar System by Sierks, H., Lamy, P., Barbieri, C., Koschny, D., Rickman, H., Rodrigo, R., A'Hearn, M. F., Angrilli, F., Barucci, M. A., Bertaux, J.-L., Bertini, I., Besse, S., Carry, B., Cremonese, G., Da Deppo, V., Davidsson, B., Debei, S., De Cecco, M., De Leon, J., Ferri, F., Fornasier, S., Fulle, M., Hviid, S. F., Gaskell, R. W., Groussin, O., Gutierrez, P., Ip, W., Jorda, L., Kaasalainen, M., Keller, H. U., Knollenberg, J., Kramm, R., Kührt, E., Küppers, M., Lara, L., Lazzarin, M., Leyrat, C., Moreno, J. J. Lopez, Magrin, S., Marchi, S., Marzari, F., Massironi, M., Michalik, H., Moissl, R., Naletto, G., Preusker, F., Sabau, L., Sabolo, W., Scholten, F., Snodgrass, C., Thomas, N., Tubiana, C., Vernazza, P., Vincent, J.-B., Wenzel, K.-P., Andert, T., Pätzold, M., Weiss, B. P.

“…Images obtained by the Optical, Spectroscopie, and Infrared Remote Imaging System (OSIRIS) cameras onboard the Rosetta spacecraft reveal that asteroid 21…”
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Spitzer Spectral Observations of the Deep Impact Ejecta by Lisse, C.M, VanCleve, J, Adams, A.C, A'Hearn, M.F, Fernández, Y.R, Farnham, T.L, Armus, L, Grillmair, C.J, Ingalls, J, Belton, M.J.S, Groussin, O, McFadden, L.A, Meech, K.J, Schultz, P.H, Clark, B.C, Feaga, L.M, Sunshine, J.M

“…Spitzer Space Telescope imaging spectrometer observations of comet 9P/Tempel 1 during the Deep Impact encounter returned detailed, highly structured, 5- to…”
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Thermal properties, sizes, and size distribution of Jupiter-family cometary nuclei by Fernández, Y.R., Kelley, M.S., Lamy, P.L., Toth, I., Groussin, O., Lisse, C.M., A’Hearn, M.F., Bauer, J.M., Campins, H., Fitzsimmons, A., Licandro, J., Lowry, S.C., Meech, K.J., Pittichová, J., Reach, W.T., Snodgrass, C., Weaver, H.A.

“…•We show results from a Spitzer mid-IR survey of Jupiter-family (JF) comets.•We present 89 new radii and 57 new beaming parameters for the nuclei.•Mean beaming…”
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Surface changes on comet 67P/Churyumov-Gerasimenko suggest a more active past by El-Maarry, M. Ramy, Groussin, O., Thomas, N., Pajola, M., Auger, A.-T., Davidsson, B., Hu, X., Hviid, S. F., Knollenberg, J., Güttler, C., Tubiana, C., Fornasier, S., Feller, C., Hasselmann, P., Vincent, J.-B., Sierks, H., Barbieri, C., Lamy, P., Rodrigo, R., Koschny, D., Keller, H. U., Rickman, H., A’Hearn, M. F., Barucci, M. A., Bertaux, J.-L., Bertini, I., Besse, S., Bodewits, D., Cremonese, G., Da Deppo, V., Debei, S., De Cecco, M., Deller, J., Deshapriya, J. D. P., Fulle, M., Gutierrez, P. J., Hofmann, M., Ip, W.-H., Jorda, L., Kovacs, G., Kramm, J.-R., Kührt, E., Küppers, M., Lara, L. M., Lazzarin, M., Lin, Z.-Yi, Moreno, J. J. Lopez, Marchi, S., Marzari, F., Mottola, S., Naletto, G., Oklay, N., Pommerol, A., Preusker, F., Scholten, F., Shi, X.

“…The Rosetta spacecraft spent ~2 years orbiting comet 67P/Churyumov-Gerasimenko, most of it at distances that allowed surface characterization and monitoring at…”
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THE EVOLVING ACTIVITY OF THE DYNAMICALLY YOUNG COMET C/2009 P1 (Garradd) by BODEWITS, D, Farnham, T L, A'Hearn, M F, Feaga, L M, McKay, A, Schleicher, D G, Sunshine, J M

“…We used the Ultraviolet-Optical Telescope on board Swift to observe the dynamically young comet C/2009 PI (Garradd) from a heliocentric distance of 3.5 AU…”
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Fractures on comet 67P/Churyumov-Gerasimenko observed by Rosetta/OSIRIS by El-Maarry, M. R., Thomas, N., Gracia-Berná, A., Marschall, R., Auger, A.-T., Groussin, O., Mottola, S., Pajola, M., Massironi, M., Marchi, S., Höfner, S., Preusker, F., Scholten, F., Jorda, L., Kührt, E., Keller, H. U., Sierks, H., A'Hearn, M. F., Barbieri, C., Barucci, M. A., Bertaux, J.-L., Bertini, I., Cremonese, G., Da Deppo, V., Davidsson, B., Debei, S., De Cecco, M., Deller, J., Güttler, C., Fornasier, S., Fulle, M., Gutierrez, P. J., Hofmann, M., Hviid, S. F., Ip, W.-H., Knollenberg, J., Koschny, D., Kovacs, G., Kramm, J.-R., Küppers, M., Lamy, P. L., Lara, L. M., Lazzarin, M., Lopez Moreno, J. J., Marzari, F., Michalik, H., Naletto, G., Oklay, N., Pommerol, A., Rickman, H., Rodrigo, R., Tubiana, C., Vincent, J.-B.

“…The Optical, Spectroscopic, and Infrared Remote Imaging System (OSIRIS) experiment onboard the Rosetta spacecraft currently orbiting comet…”
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Report of the IAU/IAG Working Group on cartographic coordinates and rotational elements: 2006 by Seidelmann, P. Kenneth, Archinal, B. A., A’hearn, M. F., Conrad, A., Consolmagno, G. J., Hestroffer, D., Hilton, J. L., Krasinsky, G. A., Neumann, G., Oberst, J., Stooke, P., Tedesco, E. F., Tholen, D. J., Thomas, P. C., Williams, I. P.

“…Every three years the IAU/IAG Working Group on Cartographic Coordinates and Rotational Elements revises tables giving the directions of the poles of rotation…”
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Exposed Water Ice Deposits on the Surface of Comet 9P/Tempel 1 by Sunshine, J. M., M. F. A'Hearn, Groussin, O., J. -Y. Li, Belton, M. J. S., Delamere, W. A., Kissel, J., Klaasen, K. P., McFadden, L. A., Meech, K. J., Melosh, H. J., Schultz, P. H., Thomas, P. C., Veverka, J., Yeomans, D. K., Busko, I. C., Desnoyer, M., Farnham, T. L., Feaga, L. M., Hampton, D. L., Lindler, D. J., Lisse, C. M., Wellnitz, D. D.

“…We report the direct detection of solid water ice deposits exposed on the surface of comet 9P/Tempel 1, as observed by the Deep Impact mission. Three…”
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Spitzer Space Telescope Observations of the Nucleus of Comet 103P/Hartley 2 by LISSE, C. M, FERNANDEZ, Y. R, REACH, W. T, BAUER, J. M, A'HEARN, M. F, FARNHAM, T. L, GROUSSIN, O, BELTON, M. J, MEECH, K. J, SNODGRASS, C. D

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E-Type Asteroid (2867) Steins as Imaged by OSIRIS on Board Rosetta by Keller, H. U., Barbieri, C., Koschny, D., Lamy, P., Rickman, H., Rodrigo, R., Sierks, H., A'Hearn, M. F., Angrilli, F., Barucci, M. A., Bertaux, J.-L, Cremonese, G., Da Deppo, V., Davidsson, B., De Cecco, M., Debei, S., Fornasier, S., Fulle, M., Groussin, O., Gutierrez, P. J., Hviid, S. F., Ip, W.-H., Jorda, L., Knollenberg, J., Kramm, J. R., Kührt, E., Küppers, M., Lara, L.-M., Lazzarin, M., Moreno, J. Lopez, Marzari, F., Michalik, H., Naletto, G., Sabau, L., Wenzel, K.-P., Bertini, I., Besse, S., Ferri, F., Kaasalainen, M., Lowry, S., Marchi, S., Mottola, S., Sabolo, W., Schröder, S. E., Spjuth, S., Vernazza, P.

“…The European Space Agency's Rosetta mission encountered the main-belt asteroid (2867) Steins while on its way to rendezvous with comet…”
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Surface geomorphology of Jupiter Family Comets: A geologic process perspective by Cheng, A.F., Lisse, C.M., A’Hearn, M.

“…► Strikingly diverse surface morphologies of comets may result from geologic activity. ► Gas outflows at Hartley 2 cause eolian erosion, lifting and…”
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Sunskirting comets discovered with the LASCO coronagraphs over the decade 1996–2008 by Lamy, P., Faury, G., Llebaria, A., Knight, M.M., A’Hearn, M.F., Battams, K.

“…•Photometry of 238 sunskirting comets detected by the LASCO C2 and C3 coronagraphs.•A large diversity of light curves is observed.•A color effect likewise the…”
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Subaru Telescope Observations of Deep Impact by Sugita, S, Ootsubo, T, Kadono, T, Honda, M, Sako, S, Miyata, T, Sakon, I, Yamashita, T, Kawakita, H, Fujiwara, H, Fujiyoshi, T, Takato, N, Fuse, T, Watanabe, J, Furusho, R, Hasegawa, S, Kasuga, T, Sekiguchi, T, Kinoshita, D, Meech, K. J, Wooden, D. H, Ip, W. H, A'Hearn, M. F

“…The impact cratering process on a comet is controversial but holds the key for interpreting observations of the Deep Impact collision with comet 9P/Tempel 1…”
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Rosetta Alice/VIRTIS observations of the water vapour UV electroglow emissions around comet 67P/Churyumov–Gerasimenko by Chaufray, J.-Y., Bockelée-Morvan, D., Bertaux, J.-L., Erard, S., Feldman, P. D., Capaccioni, F., Schindhelm, E., Leyrat, C., Parker, J., Filacchione, G., A’Hearn, M. F., Feaga, L. M., Noonan, J., Keeney, B., Steffl, A. J., Stern, S. A., Weaver, H. A., Broiles, T., Burch, J., Clark, G., Samara, M.

“…Abstract Several UV emission lines of the coma of 67P/Churyumov–Gerasimenko have been observed by Alice/Rosetta before the 67P/CG perihelion. The H and O…”
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Alice: The rosetta Ultraviolet Imaging Spectrograph by Stern, SA, Slater, D C, Scherrer, J, Stone, J, Versteeg, M, A'hearn, M F, Bertaux, J L, Feldman, P D, Festou, M C, Parker, Joel Wm, Siegmund, OHW

“…Issue Title: Rosetta: Mission to Comet 67P/Churyumov-Gerasimenko We describe the design, performance and scientific objectives of the NASA-funded ALICE…”
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Properties of the nuclei and comae of 10 ecliptic comets from Hubble Space Telescope multi-orbit observations by Lamy, P. L., Toth, I., Weaver, H. A., A'Hearn, M. F., Jorda, L.

“…We report on our on-going effort to detect and characterize cometary nuclei with the Hubble Space Telescope (HST). During cycle 9 (2000 July to 2001 June), we…”
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First extreme and far ultraviolet spectrum of a Comet Nucleus: Results from 67P/Churyumov-Gerasimenko by Stern, S.A., Feaga, L.M., Schindhelm, E., Steffl, A., Parker, J.Wm, Feldman, P.D., Weaver, H.A., A’Hearn, M.F., Cook, J., Bertaux, J.-L.

“…•We observed the surface of 67P/Churyumov-Gerasimenko in the extreme and far ultraviolet (FUV) from 700 to 2050Å in mid-August 2014.•The resulting coadded…”
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The distribution of water ice in the interior of Comet Tempel 1 by Sunshine, Jessica M., Groussin, Olivier, Schultz, Peter H., A'Hearn, Michael F., Feaga, Lori M., Farnham, Tony L., Klaasen, Kenneth P.

“…The Deep Impact flyby spacecraft includes a 1.05 to 4.8 μm infrared (IR) spectrometer. Although ice was not observed on the surface in the impact region,…”
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A mechanism for short-lived cometary outbursts at sunrise as observed by Deep Impact on 9P/Tempel 1 by Prialnik, D., A'Hearn, M. F., Meech, K. J.

“…We explore a possible mechanism that may explain the outbursts observed by the Deep Impact mission on comet 9P/Tempel 1 that appear to occur near sunrise on a…”
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