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  1. Buch: The star of Bethlehem

    Kidger, Mark

    an astronomer's view

    1999  

    Verfasserangabe Mark Kidger
    Sprache Englisch
    Umfang XI, 306 S, Ill
    Verlag Princeton Univ. Press
    Erscheinungsort Princeton, NJ u.a.
    Dokumenttyp Buch
    Anmerkung Bibliogr. S. 295 - 300
    ISBN 0691058237 ; 9780691058238
    Datenquelle Ehemaliges Sondersammelgebiet Küsten- und Hochseefischerei

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  2. Buch ; Online: Herschel measurements of the D/H and 16O/18O ratios in water in the Oort-cloud comet C/2009 P1 (Garradd)

    Bockelée-Morvan, D. / Biver, N. / Swinyard, B. / de Val-Borro, M. / Crovisier, J. / Hartogh, P. / Lis, D. C. / Moreno, R. / Szutowicz, S. / Lellouch, E. / Emprechtinger, M. / Blake, G. A. / Courtin, R. / Jarchow, C. / Kidger, M. / Küppers, M. / Rengel, M. / Davis, G. R. / Fulton, T. /
    Naylor, D. / Sidher, S. / Walker, H.

    2012  

    Abstract: The D/H ratio in cometary water is believed to be an important indicator of the conditions under which icy planetesimals formed and can provide clues to the contribution of comets to the delivery of water and other volatiles to Earth. Available ... ...

    Abstract The D/H ratio in cometary water is believed to be an important indicator of the conditions under which icy planetesimals formed and can provide clues to the contribution of comets to the delivery of water and other volatiles to Earth. Available measurements suggest that there is isotopic diversity in the comet population. The Herschel Space Observatory revealed an ocean-like ratio in the Jupiter-family comet 103P/Hartley 2, whereas most values measured in Oort-cloud comets are twice as high as the ocean D/H ratio. We present here a new measurement of the D/H ratio in the water of an Oort-cloud comet. HDO, H_2O, and H_2^18O lines were observed with high signal-to-noise ratio in comet C/2009 P1 (Garradd) using the Herschel HIFI instrument. Spectral maps of two water lines were obtained to constrain the water excitation. The D/H ratio derived from the measured H_2^16O and HDO production rates is 2.06+/-0.22 X 10**-4. This result shows that the D/H in the water of Oort-cloud comets is not as high as previously thought, at least for a fraction of the population, hence the paradigm of a single, archetypal D/H ratio for all Oort-cloud comets is no longer tenable. Nevertheless, the value measured in C/2009 P1 (Garradd) is significantly higher than the Earth's ocean value of 1.558 X 10**-4. The measured H_2^16O/H_2^18O ratio of 523+/-32 is, however, consistent with the terrestrial value.

    Comment: 6 pages with 4 figures and 1 table. Accepted for publication as a Letter in Astronomy & Astrophysics
    Schlagwörter Astrophysics - Earth and Planetary Astrophysics
    Thema/Rubrik (Code) 551
    Erscheinungsdatum 2012-07-31
    Erscheinungsland us
    Dokumenttyp Buch ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  3. Artikel ; Online: A massive binary black-hole system in OJ 287 and a test of general relativity.

    Valtonen, M J / Lehto, H J / Nilsson, K / Heidt, J / Takalo, L O / Sillanpää, A / Villforth, C / Kidger, M / Poyner, G / Pursimo, T / Zola, S / Wu, J-H / Zhou, X / Sadakane, K / Drozdz, M / Koziel, D / Marchev, D / Ogloza, W / Porowski, C /
    Siwak, M / Stachowski, G / Winiarski, M / Hentunen, V-P / Nissinen, M / Liakos, A / Dogru, S

    Nature

    2008  Band 452, Heft 7189, Seite(n) 851–853

    Abstract: Tests of Einstein's general theory of relativity have mostly been carried out in weak gravitational fields where the space-time curvature effects are first-order deviations from Newton's theory. Binary pulsars provide a means of probing the strong ... ...

    Abstract Tests of Einstein's general theory of relativity have mostly been carried out in weak gravitational fields where the space-time curvature effects are first-order deviations from Newton's theory. Binary pulsars provide a means of probing the strong gravitational field around a neutron star, but strong-field effects may be best tested in systems containing black holes. Here we report such a test in a close binary system of two candidate black holes in the quasar OJ 287. This quasar shows quasi-periodic optical outbursts at 12-year intervals, with two outburst peaks per interval. The latest outburst occurred in September 2007, within a day of the time predicted by the binary black-hole model and general relativity. The observations confirm the binary nature of the system and also provide evidence for the loss of orbital energy in agreement (within 10 per cent) with the emission of gravitational waves from the system. In the absence of gravitational wave emission the outburst would have happened 20 days later.
    Sprache Englisch
    Erscheinungsdatum 2008-04-17
    Erscheinungsland England
    Dokumenttyp Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 120714-3
    ISSN 1476-4687 ; 0028-0836
    ISSN (online) 1476-4687
    ISSN 0028-0836
    DOI 10.1038/nature06896
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  4. Artikel: The Comet Interceptor Mission.

    Jones, Geraint H / Snodgrass, Colin / Tubiana, Cecilia / Küppers, Michael / Kawakita, Hideyo / Lara, Luisa M / Agarwal, Jessica / André, Nicolas / Attree, Nicholas / Auster, Uli / Bagnulo, Stefano / Bannister, Michele / Beth, Arnaud / Bowles, Neil / Coates, Andrew / Colangeli, Luigi / Corral van Damme, Carlos / Da Deppo, Vania / De Keyser, Johan /
    Della Corte, Vincenzo / Edberg, Niklas / El-Maarry, Mohamed Ramy / Faggi, Sara / Fulle, Marco / Funase, Ryu / Galand, Marina / Goetz, Charlotte / Groussin, Olivier / Guilbert-Lepoutre, Aurélie / Henri, Pierre / Kasahara, Satoshi / Kereszturi, Akos / Kidger, Mark / Knight, Matthew / Kokotanekova, Rosita / Kolmasova, Ivana / Kossacki, Konrad / Kührt, Ekkehard / Kwon, Yuna / La Forgia, Fiorangela / Levasseur-Regourd, Anny-Chantal / Lippi, Manuela / Longobardo, Andrea / Marschall, Raphael / Morawski, Marek / Muñoz, Olga / Näsilä, Antti / Nilsson, Hans / Opitom, Cyrielle / Pajusalu, Mihkel / Pommerol, Antoine / Prech, Lubomir / Rando, Nicola / Ratti, Francesco / Rothkaehl, Hanna / Rotundi, Alessandra / Rubin, Martin / Sakatani, Naoya / Sánchez, Joan Pau / Simon Wedlund, Cyril / Stankov, Anamarija / Thomas, Nicolas / Toth, Imre / Villanueva, Geronimo / Vincent, Jean-Baptiste / Volwerk, Martin / Wurz, Peter / Wielders, Arno / Yoshioka, Kazuo / Aleksiejuk, Konrad / Alvarez, Fernando / Amoros, Carine / Aslam, Shahid / Atamaniuk, Barbara / Baran, Jędrzej / Barciński, Tomasz / Beck, Thomas / Behnke, Thomas / Berglund, Martin / Bertini, Ivano / Bieda, Marcin / Binczyk, Piotr / Busch, Martin-Diego / Cacovean, Andrei / Capria, Maria Teresa / Carr, Chris / Castro Marín, José María / Ceriotti, Matteo / Chioetto, Paolo / Chuchra-Konrad, Agata / Cocola, Lorenzo / Colin, Fabrice / Crews, Chiaki / Cripps, Victoria / Cupido, Emanuele / Dassatti, Alberto / Davidsson, Björn J R / De Roche, Thierry / Deca, Jan / Del Togno, Simone / Dhooghe, Frederik / Donaldson Hanna, Kerri / Eriksson, Anders / Fedorov, Andrey / Fernández-Valenzuela, Estela / Ferretti, Stefano / Floriot, Johan / Frassetto, Fabio / Fredriksson, Jesper / Garnier, Philippe / Gaweł, Dorota / Génot, Vincent / Gerber, Thomas / Glassmeier, Karl-Heinz / Granvik, Mikael / Grison, Benjamin / Gunell, Herbert / Hachemi, Tedjani / Hagen, Christian / Hajra, Rajkumar / Harada, Yuki / Hasiba, Johann / Haslebacher, Nico / Herranz De La Revilla, Miguel Luis / Hestroffer, Daniel / Hewagama, Tilak / Holt, Carrie / Hviid, Stubbe / Iakubivskyi, Iaroslav / Inno, Laura / Irwin, Patrick / Ivanovski, Stavro / Jansky, Jiri / Jernej, Irmgard / Jeszenszky, Harald / Jimenéz, Jaime / Jorda, Laurent / Kama, Mihkel / Kameda, Shingo / Kelley, Michael S P / Klepacki, Kamil / Kohout, Tomáš / Kojima, Hirotsugu / Kowalski, Tomasz / Kuwabara, Masaki / Ladno, Michal / Laky, Gunter / Lammer, Helmut / Lan, Radek / Lavraud, Benoit / Lazzarin, Monica / Le Duff, Olivier / Lee, Qiu-Mei / Lesniak, Cezary / Lewis, Zoe / Lin, Zhong-Yi / Lister, Tim / Lowry, Stephen / Magnes, Werner / Markkanen, Johannes / Martinez Navajas, Ignacio / Martins, Zita / Matsuoka, Ayako / Matyjasiak, Barbara / Mazelle, Christian / Mazzotta Epifani, Elena / Meier, Mirko / Michaelis, Harald / Micheli, Marco / Migliorini, Alessandra / Millet, Aude-Lyse / Moreno, Fernando / Mottola, Stefano / Moutounaick, Bruno / Muinonen, Karri / Müller, Daniel R / Murakami, Go / Murata, Naofumi / Myszka, Kamil / Nakajima, Shintaro / Nemeth, Zoltan / Nikolajev, Artiom / Nordera, Simone / Ohlsson, Dan / Olesk, Aire / Ottacher, Harald / Ozaki, Naoya / Oziol, Christophe / Patel, Manish / Savio Paul, Aditya / Penttilä, Antti / Pernechele, Claudio / Peterson, Joakim / Petraglio, Enrico / Piccirillo, Alice Maria / Plaschke, Ferdinand / Polak, Szymon / Postberg, Frank / Proosa, Herman / Protopapa, Silvia / Puccio, Walter / Ranvier, Sylvain / Raymond, Sean / Richter, Ingo / Rieder, Martin / Rigamonti, Roberto / Ruiz Rodriguez, Irene / Santolik, Ondrej / Sasaki, Takahiro / Schrödter, Rolf / Shirley, Katherine / Slavinskis, Andris / Sodor, Balint / Soucek, Jan / Stephenson, Peter / Stöckli, Linus / Szewczyk, Paweł / Troznai, Gabor / Uhlir, Ludek / Usami, Naoto / Valavanoglou, Aris / Vaverka, Jakub / Wang, Wei / Wang, Xiao-Dong / Wattieaux, Gaëtan / Wieser, Martin / Wolf, Sebastian / Yano, Hajime / Yoshikawa, Ichiro / Zakharov, Vladimir / Zawistowski, Tomasz / Zuppella, Paola / Rinaldi, Giovanna / Ji, Hantao

    Space science reviews

    2024  Band 220, Heft 1, Seite(n) 9

    Abstract: Here we describe the novel, multi-point Comet Interceptor mission. It is dedicated to the exploration of a little-processed long-period comet, possibly entering the inner Solar System for the first time, or to encounter an interstellar object originating ...

    Abstract Here we describe the novel, multi-point Comet Interceptor mission. It is dedicated to the exploration of a little-processed long-period comet, possibly entering the inner Solar System for the first time, or to encounter an interstellar object originating at another star. The objectives of the mission are to address the following questions: What are the surface composition, shape, morphology, and structure of the target object? What is the composition of the gas and dust in the coma, its connection to the nucleus, and the nature of its interaction with the solar wind? The mission was proposed to the European Space Agency in 2018, and formally adopted by the agency in June 2022, for launch in 2029 together with the Ariel mission. Comet Interceptor will take advantage of the opportunity presented by ESA's F-Class call for fast, flexible, low-cost missions to which it was proposed. The call required a launch to a halo orbit around the Sun-Earth L2 point. The mission can take advantage of this placement to wait for the discovery of a suitable comet reachable with its minimum
    Sprache Englisch
    Erscheinungsdatum 2024-01-24
    Erscheinungsland Netherlands
    Dokumenttyp Journal Article ; Review
    ZDB-ID 2017804-9
    ISSN 1572-9672 ; 0038-6308
    ISSN (online) 1572-9672
    ISSN 0038-6308
    DOI 10.1007/s11214-023-01035-0
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  5. Artikel: The design of double Gauss systems using digital computers.

    Kidger, M J / Wynne, C G

    Applied optics

    1967  Band 6, Heft 3, Seite(n) 553–563

    Abstract: A general study of the design of lenses of double Gauss type and derivatives of these has been carried out, with the lenses optimized at an aperture of f/2 and a field angle of +/-20 degrees . The results indicate that the number of optimized designs is ... ...

    Abstract A general study of the design of lenses of double Gauss type and derivatives of these has been carried out, with the lenses optimized at an aperture of f/2 and a field angle of +/-20 degrees . The results indicate that the number of optimized designs is small for all of the constructions that were investigated. Numerical examplesfor several designs are given.
    Sprache Englisch
    Erscheinungsdatum 1967-03-01
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ISSN 1559-128X
    ISSN 1559-128X
    DOI 10.1364/AO.6.000553
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  6. Buch ; Online: First results of Herschel/PACS observations of Neptune

    Lellouch, E. / Hartogh, P. / Feuchtgruber, H. / Vandenbussche, B. / de Graauw, T. / Moreno, R. / Jarchow, C. / Cavalié, T. / Orton, G. / Banaszkiewicz, M. / Blecka, M. I. / Bockelée-Morvan, D. / Crovisier, J. / Encrenaz, T. / Fulton, T. / Küppers, M. / Lara, L. M. / Lis, D. C. / Medvedev, A. S. /
    Rengel, M. / Sagawa, H. / Swinyard, B. / Szutowicz, S. / Bensch, F. / Bergin, E. / Billebaud, F. / Biver, N. / Blake, G. A. / Blommaert, J. A. D. L. / Cernicharo, J. / Courtin, R. / Davis, G. R. / Decin, L. / Encrenaz, P. / Gonzalez, A. / Jehin, E. / Kidger, M. / Naylor, D. / Portyankina, G. / Schieder, R. / Sidher, S. / Thomas, N. / de Val-Borro, M. / Verdugo, E. / Waelkens, C. / Walker, H. / Aarts, H. / Comito, C. / Kawamura, J. H. / Maestrini, A. / Peacocke, T. / Teipen, R. / Tils, T. / Wildeman, K.

    2010  

    Abstract: We report on the initial analysis of a Herschel/PACS full range spectrum of Neptune, covering the 51-220 micrometer range with a mean resolving power of ~ 3000, and complemented by a dedicated observation of CH4 at 120 micrometers. Numerous spectral ... ...

    Abstract We report on the initial analysis of a Herschel/PACS full range spectrum of Neptune, covering the 51-220 micrometer range with a mean resolving power of ~ 3000, and complemented by a dedicated observation of CH4 at 120 micrometers. Numerous spectral features due to HD (R(0) and R(1)), H2O, CH4, and CO are present, but so far no new species have been found. Our results indicate that (i) Neptune's mean thermal profile is warmer by ~ 3 K than inferred from the Voyager radio-occultation; (ii) the D/H mixing ratio is (4.5+/-1) X 10**-5, confirming the enrichment of Neptune in deuterium over the protosolar value (~ 2.1 X 10**-5); (iii) the CH4 mixing ratio in the mid stratosphere is (1.5+/-0.2) X 10**-3, and CH4 appears to decrease in the lower stratosphere at a rate consistent with local saturation, in agreement with the scenario of CH4 stratospheric injection from Neptune's warm south polar region; (iv) the H2O stratospheric column is (2.1+/-0.5) X 10**14 cm-2 but its vertical distribution is still to be determined, so the H2O external flux remains uncertain by over an order of magnitude; and (v) the CO stratospheric abundance is about twice the tropospheric value, confirming the dual origin of CO suspected from ground-based millimeter/submillimeter observations.

    Comment: Accepted for publication in Astronomy & Astrophysics (special issue on Herschel first results)
    Schlagwörter Astrophysics - Earth and Planetary Astrophysics
    Thema/Rubrik (Code) 551
    Erscheinungsdatum 2010-06-01
    Erscheinungsland us
    Dokumenttyp Buch ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  7. Artikel ; Online: 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 / Bockelée-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 Léon, J / Dello Russo, N / Delsanti, A / DiSanti, M / Drummond, J / Dundon, L / Etzel, P B / Farnham, T L / Feldman, P / Fernández, Y R / Filipovic, M D / Fisher, 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 / Hutsemékers, D / Iono, D / Ip, W-H / Jackson, W / Jehin, E / Jiang, Z J / Jones, G H / Jones, P A / Kadono, T / Kamath, U W / Käufl, 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 / Schulz, R / Seitzer, P / Sekiguchi, T / Selman, F / Serra-Ricart, M / Sharp, R / Snell, R L / Snodgrass, C / Stallard, T / Stecklein, G / Sterken, C / Stüwe, 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 / Zucconi, J-M

    Science (New York, N.Y.)

    2005  Band 310, Heft 5746, Seite(n) 265–269

    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 ... ...

    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.
    Mesh-Begriff(e) Cosmic Dust ; Jupiter ; Meteoroids ; Organic Chemicals ; Photometry
    Chemische Substanzen Cosmic Dust ; Organic Chemicals
    Sprache Englisch
    Erscheinungsdatum 2005-10-14
    Erscheinungsland United States
    Dokumenttyp Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
    ZDB-ID 128410-1
    ISSN 1095-9203 ; 0036-8075
    ISSN (online) 1095-9203
    ISSN 0036-8075
    DOI 10.1126/science.1118978
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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    Zs.A 27: Hefte anzeigen Standort:
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    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
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    Zs.MG 77: Hefte anzeigen

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  8. Artikel: 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 / Barrena, R / Barrera, L / Bauer, J. M / Belton, M. J. S / Bensch, F / Bhattacharya, B / Biver, N / Blake, G / Bockelée-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 / de Léon, J / deBuizer, J / Dekany, R / Dello Russo, N / Delsanti, A / DiSanti, M / Drummond, J / Dundon, L / Etzel, P. B / Farnham, T. L / Feldman, P / Fernández, Y. R / Filipovic, M. D / Fisher, 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 / Hutsemékers, D / Iono, D / Ip, W.-H / Jackson, W / Jehin, E / Jiang, Z. J / Jones, G. H / Jones, P. A / Kadono, T / Käufl, H. U / Kamath, U. W / 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 / Peck, A / Penprase, B. E / 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 / Schulz, R / Seitzer, P / Sekiguchi, T / Selman, F / Serra-Ricart, M / Sharp, R / Snell, R. L / Snodgrass, C / Stallard, T / Stecklein, G / Sterken, C / Stůwe, 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, J.-H / Wu, Z.-Y / Yamashita, T / Yang, B / Yang, Y.-B / Yokogawa, S / Zauderer, A / Zhao, X / Zhou, X / Zook, A. C / Zucconi, J.-M

    Science. 2005 Oct. 14, v. 310, no. 5746

    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 ... ...

    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.
    Schlagwörter dust ; mass ; physics
    Sprache Englisch
    Erscheinungsverlauf 2005-1014
    Umfang p. 265-269.
    Dokumenttyp Artikel
    ZDB-ID 128410-1
    ISSN 1095-9203 ; 0036-8075
    ISSN (online) 1095-9203
    ISSN 0036-8075
    DOI 10.1126/science.1118978
    Datenquelle NAL Katalog (AGRICOLA)

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