Zobrazeno 1 - 10
of 306
pro vyhledávání: '"Michael F. A'Hearn"'
Autor:
Jessica M. Sunshine, Benton C. Clark, Donald E. Brownlee, Tomoki Nakamura, Michael F. A'Hearn
Publikováno v:
Elements. 14:87-93
Autor:
Nicolas Biver, Joel Wm. Parker, Paul D. Feldman, Brian A. Keeney, Jean-Loup Bertaux, Ronald J. Vervack, Andrew J. Steffl, Seungwon Lee, John Noonan, Rebecca N. Schindhelm, Richard Medina, Harold A. Weaver, S. Alan Stern, Jon Pineau, Lori M. Feaga, Dominique Bockelée-Morvan, Mark Hofstadter, Michael F. A'Hearn, Matthew M. Knight
Publikováno v:
The Astronomical Journal
The Astronomical Journal, American Astronomical Society, 2021, 162 (1), pp.5. ⟨10.3847/1538-3881/abf82f⟩
The Astronomical Journal, American Astronomical Society, 2021, 162 (1), pp.5. ⟨10.3847/1538-3881/abf82f⟩
The Alice ultraviolet spectrograph on board the \textit{Rosetta} orbiter provided the first near-nucleus ultraviolet observations of a cometary coma from arrival at comet 67P/Churyumov-Gerasimenko in 2014 August through 2016 September. The characteri
Autor:
Alice Lucchetti, M. De Cecco, R. Rodrigo, Michael Küppers, Laurent Jorda, Ivano Bertini, Nilda Oklay, W-H. Ip, Detlef Koschny, Marc Hofmann, J. L. Bertaux, Frank Scholten, Nicolas Thomas, J.-R. Kramm, V. Da Deppo, Clement Feller, P. J. Gutierrez, Dennis Bodewits, Sonia Fornasier, Carsten Güttler, I. Hall, Maurizio Pajola, Nafiseh Masoumzadeh, Francesco Marzari, Marco Fulle, A. Gicquel, M. A. Barucci, Jörg Knollenberg, Holger Sierks, Cesare Barbieri, Monica Lazzarin, Jakob Deller, Zhong-Yi Lin, David Kappel, Olivier Groussin, J. J. Lopez Moreno, Jean-Baptiste Vincent, Horst Uwe Keller, Michael F. A'Hearn, Luisa Lara, Giampiero Naletto, Pedro Hasselmann, Björn Davidsson, Cecilia Tubiana, Philippe Lamy, Antoine Pommerol, Stubbe F. Hviid, Hans Rickman, Frank Preusker, Xian Shi, Stefano Mottola, Gábor L. Kovács, Gabriele Cremonese, Ekkehard Kührt, J. D. P. Deshapriya, Stefano Debei
Publikováno v:
Oklay, N.; Mottola, S.; Vincent, J.-B.; Pajola, M.; Fornasier, S.; Hviid, S. F.; Kappel, D.; Kührt, E.; Keller, H. U.; Barucci, M. A.; Feller, C.; Preusker, F.; Scholten, F.; Hall, I.; Sierks, H.; Barbieri, C.; Lamy, P. L.; Rodrigo, R.; Koschny, D.; Rickman, H.; ... (2017). Long-term survival of surface water ice on comet 67P. Monthly notices of the Royal Astronomical Society, 469(Suppl_2), S582-S597. Oxford University Press 10.1093/mnras/stx2298
Monthly notices of the Royal Astronomical Society
469 (2017): S582–S597. doi:10.1093/mnras/stx2298
info:cnr-pdr/source/autori:Oklay, N.; Mottola, S.; Vincent, J. B.; Pajola, M.; Fornasier, S.; Hviid, S. F.; Kappel, D.; Kührt, E.; Keller, H. U.; Barucci, M. A.; Feller, C.; Preusker, F.; Scholten, F.; Hall, I.; Sierks, H.; Barbieri, C.; Lamy, P. L.; Rodrigo, R.; Koschny, D.; Rickman, H.; A'Hearn, M. F.; Bertaux, J. L.; Bertini, I.; Bodewits, D.; Cremonese, G.; Da Deppo, V.; Davidsson, B. J.R.; Debei, S.; De Cecco, M.; Deller, J.; Deshapriya, J. D.P.; Fulle, M.; Gicquel, A.; Groussin, O.; Gutiérrez, P. J.; Güttler, C.; Hasselmann, P. H.; Hofmann, M.; Ip, W. H.; Jorda, L.; Knollenberg, J.; Kovacs, G.; Kramm, J. R.; Küppers, M.; Lara, L. M.; Lazzarin, M.; Lin, Z. Y.; Lopez Moreno, J. J.; Lucchetti, A.; Marzari, F.; Masoumzadeh, N.; Naletto, G.; Pommerol, A.; Shi, X.; Thomas, N.; Tubiana, C./titolo:Long-term survival of surface water ice on comet 67P/doi:10.1093%2Fmnras%2Fstx2298/rivista:Monthly notices of the Royal Astronomical Society (Print)/anno:2017/pagina_da:S582/pagina_a:S597/intervallo_pagine:S582–S597/volume:469
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, 2017, 469 (Suppl_2), pp.S582-S597. ⟨10.1093/mnras/stx2298⟩
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2017, 469 (Suppl_2), pp.S582-S597. ⟨10.1093/mnras/stx2298⟩
Monthly notices of the Royal Astronomical Society
469 (2017): S582–S597. doi:10.1093/mnras/stx2298
info:cnr-pdr/source/autori:Oklay, N.; Mottola, S.; Vincent, J. B.; Pajola, M.; Fornasier, S.; Hviid, S. F.; Kappel, D.; Kührt, E.; Keller, H. U.; Barucci, M. A.; Feller, C.; Preusker, F.; Scholten, F.; Hall, I.; Sierks, H.; Barbieri, C.; Lamy, P. L.; Rodrigo, R.; Koschny, D.; Rickman, H.; A'Hearn, M. F.; Bertaux, J. L.; Bertini, I.; Bodewits, D.; Cremonese, G.; Da Deppo, V.; Davidsson, B. J.R.; Debei, S.; De Cecco, M.; Deller, J.; Deshapriya, J. D.P.; Fulle, M.; Gicquel, A.; Groussin, O.; Gutiérrez, P. J.; Güttler, C.; Hasselmann, P. H.; Hofmann, M.; Ip, W. H.; Jorda, L.; Knollenberg, J.; Kovacs, G.; Kramm, J. R.; Küppers, M.; Lara, L. M.; Lazzarin, M.; Lin, Z. Y.; Lopez Moreno, J. J.; Lucchetti, A.; Marzari, F.; Masoumzadeh, N.; Naletto, G.; Pommerol, A.; Shi, X.; Thomas, N.; Tubiana, C./titolo:Long-term survival of surface water ice on comet 67P/doi:10.1093%2Fmnras%2Fstx2298/rivista:Monthly notices of the Royal Astronomical Society (Print)/anno:2017/pagina_da:S582/pagina_a:S597/intervallo_pagine:S582–S597/volume:469
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, 2017, 469 (Suppl_2), pp.S582-S597. ⟨10.1093/mnras/stx2298⟩
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2017, 469 (Suppl_2), pp.S582-S597. ⟨10.1093/mnras/stx2298⟩
Numerous water-ice-rich deposits surviving more than several months on comet 67P/Churyumov-Gerasimenko were observed during the Rosetta mission. We announce the first-time detection of water-ice features surviving up to 2 yr since their first observa
Autor:
Andrew J. Steffl, Joel Wm. Parker, S. Alan Stern, Paul D. Feldman, Brian A. Keeney, Harold A. Weaver, Eric Schindhelm, Jon Pineau, Lori M. Feaga, Richard Medina, M. H. Versteeg, Jean-Loup Bertaux, Michael F. A'Hearn
Publikováno v:
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2017, 469 (Suppl_2), pp.S158-S177. ⟨10.1093/mnras/stx1426⟩
Monthly Notices of the Royal Astronomical Society, 2017, 469 (Suppl_2), pp.S158-S177. ⟨10.1093/mnras/stx1426⟩
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2017, 469 (Suppl_2), pp.S158-S177. ⟨10.1093/mnras/stx1426⟩
Monthly Notices of the Royal Astronomical Society, 2017, 469 (Suppl_2), pp.S158-S177. ⟨10.1093/mnras/stx1426⟩
We have detected H$_2$O and O$_2$ absorption against the far-UV continuum of stars located on lines of sight near the nucleus of Comet 67P/Churyumov-Gerasimenko using the Alice imaging spectrograph on Rosetta. These stellar appulses occurred at impac
Autor:
J. M. Sunshine, Lori M. Feaga, Michael F. A'Hearn, Tony L. Farnham, Michael S. P. Kelley, S. Wissler, Dennis D. Wellnitz, Dennis Bodewits
Publikováno v:
Icarus. 284:106-113
The Deep Impact spacecraft observed comet C/2012 S1 (ISON) between 17 January and 10 March 2013 when the comet was ∼5 AU from the Sun. Continuous, high-cadence, images spanning as much as 6 days at a time, and high-cadence IR spectral scans spannin
Autor:
Francesco Marzari, Wing-Huen Ip, Laurent Jorda, J. Rainer Kramm, Hans Rickman, Gábor L. Kovács, Marc Hofmann, I. L. Lai, Philippe Lamy, Detlef Koschny, Jong-Shinn Wu, Mariolino De Cecco, Nilda Oklay, Ivano Bertini, Michael Küppers, Xian Shi, Nicolas Thomas, Stubbe F. Hviid, Jean-Loup Bertaux, Holger Sierks, C. Güttler, Olivier Groussin, Vania Da Deppo, Marco Fulle, Steven Boudreault, Pedro J. Gutiérrez, Giampiero Naletto, M. A. Barucci, Horst Uwe Keller, Michael F. A'Hearn, Jose J. Lopez Moreno, Jui Chi Lee, Ying Liao, Cesare Barbieri, Luisa Lara, Monica Lazzarin, Cheng Chin Su, Jean-Baptiste Vincent, Jakob Deller, Gabriele Cremonese, Ekkehard Kührt, Zhong-Yi Lin, Björn Davidsson, Cecilia Tubiana, Stefano Debei, Jessica Agarwal, Sonia Fornasier, Jörg Knollenberg, Rafael Rodrigo
Publikováno v:
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2016, 462 (Suppl_1), pp.S533-S546. ⟨10.1093/mnras/stx332⟩
Lai, Ian-Lin; Ip, Wing-Huen; Su, Cheng-Chin; Wu, Jong-Shinn; Lee, Jui-Chi; Lin, Zhong-Yi; Liao, Ying; Thomas, Nicolas; Sierks, Holger; Barbieri, Cesare; Lamy, Philippe; Rodrigo, Rafael; Koschny, Detlef; Rickman, Hans; Keller, Horst Uwe; Agarwal, Jessica; A’Hearn, Michael F.; Barucci, Maria Antonella; Bertaux, Jean-Loup; Bertini, Ivano; ... (2017). Gas outflow and dust transport of comet 67P/Churyumov–Gerasimenko. Monthly notices of the Royal Astronomical Society, 462(Suppl_1), S533-S546. Oxford University Press 10.1093/mnras/stx332
Monthly Notices of the Royal Astronomical Society, 2016, 462 (Suppl_1), pp.S533-S546. ⟨10.1093/mnras/stx332⟩
Monthly notices of the Royal Astronomical Society
462 (2016): S533–S546. doi:10.1093/mnras/stx332
info:cnr-pdr/source/autori:Lai, Ian Lin; Ip, Wing Huen; Su, Cheng Chin; Wu, Jong Shinn; Lee, Jui Chi; Lin, Zhong Yi; Liao, Ying; Thomas, Nicolas; Sierks, Holger; Barbieri, Cesare; Lamy, Philippe; Rodrigo, Rafael; Koschny, Detlef; Rickman, Hans; Keller, Horst Uwe; Agarwal, Jessica; A'Hearn, Michael F.; Barucci, Maria Antonella; Bertaux, Jean Loup; Bertini, Ivano; Boudreault, Steven; Cremonese, Gabriele; Da Deppo, Vania; Davidsson, Björn; Debei, Stefano; De Cecco, Mariolino; Deller, Jakob; Fornasier, Sonia; Fulle, Marco; Groussin, Olivier; Gutiérrez, Pedro J.; Güttler, Carsten; Hofmann, Marc; Hviid, Stubbe F.; Jorda, Laurent; Knollenberg, Jörg; Kovacs, Gabor; Kramm, J. Rainer; Kührt, Ekkehard; Küppers, Michael; Lara, Luisa M.; Lazzarin, Monica; Moreno, Josè J.Lopez; Marzari, Francesco; Naletto, Giampiero; Oklay, Nilda; Shi, Xian; Tubiana, Cecilia; Vincent, Jean Baptiste/titolo:Gas outflow and dust transport of comet 67P%2FChuryumov-Gerasimenko/doi:10.1093%2Fmnras%2Fstx332/rivista:Monthly notices of the Royal Astronomical Society (Print)/anno:2016/pagina_da:S533/pagina_a:S546/intervallo_pagine:S533–S546/volume:462
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2016, 462 (Suppl_1), pp.S533-S546. ⟨10.1093/mnras/stx332⟩
Lai, Ian-Lin; Ip, Wing-Huen; Su, Cheng-Chin; Wu, Jong-Shinn; Lee, Jui-Chi; Lin, Zhong-Yi; Liao, Ying; Thomas, Nicolas; Sierks, Holger; Barbieri, Cesare; Lamy, Philippe; Rodrigo, Rafael; Koschny, Detlef; Rickman, Hans; Keller, Horst Uwe; Agarwal, Jessica; A’Hearn, Michael F.; Barucci, Maria Antonella; Bertaux, Jean-Loup; Bertini, Ivano; ... (2017). Gas outflow and dust transport of comet 67P/Churyumov–Gerasimenko. Monthly notices of the Royal Astronomical Society, 462(Suppl_1), S533-S546. Oxford University Press 10.1093/mnras/stx332
Monthly Notices of the Royal Astronomical Society, 2016, 462 (Suppl_1), pp.S533-S546. ⟨10.1093/mnras/stx332⟩
Monthly notices of the Royal Astronomical Society
462 (2016): S533–S546. doi:10.1093/mnras/stx332
info:cnr-pdr/source/autori:Lai, Ian Lin; Ip, Wing Huen; Su, Cheng Chin; Wu, Jong Shinn; Lee, Jui Chi; Lin, Zhong Yi; Liao, Ying; Thomas, Nicolas; Sierks, Holger; Barbieri, Cesare; Lamy, Philippe; Rodrigo, Rafael; Koschny, Detlef; Rickman, Hans; Keller, Horst Uwe; Agarwal, Jessica; A'Hearn, Michael F.; Barucci, Maria Antonella; Bertaux, Jean Loup; Bertini, Ivano; Boudreault, Steven; Cremonese, Gabriele; Da Deppo, Vania; Davidsson, Björn; Debei, Stefano; De Cecco, Mariolino; Deller, Jakob; Fornasier, Sonia; Fulle, Marco; Groussin, Olivier; Gutiérrez, Pedro J.; Güttler, Carsten; Hofmann, Marc; Hviid, Stubbe F.; Jorda, Laurent; Knollenberg, Jörg; Kovacs, Gabor; Kramm, J. Rainer; Kührt, Ekkehard; Küppers, Michael; Lara, Luisa M.; Lazzarin, Monica; Moreno, Josè J.Lopez; Marzari, Francesco; Naletto, Giampiero; Oklay, Nilda; Shi, Xian; Tubiana, Cecilia; Vincent, Jean Baptiste/titolo:Gas outflow and dust transport of comet 67P%2FChuryumov-Gerasimenko/doi:10.1093%2Fmnras%2Fstx332/rivista:Monthly notices of the Royal Astronomical Society (Print)/anno:2016/pagina_da:S533/pagina_a:S546/intervallo_pagine:S533–S546/volume:462
International audience; Because of the diurnal thermal cycle and the irregular shape of the nucleus, gas outflow of comet 67P/Churyumov–Gerasimenko could be highly anisotropic as indicated by the colliminated dust jet structures on the sunlit side.
Autor:
Michael F. A'Hearn, M. H. Versteeg, Harold A. Weaver, Andrew J. Steffl, S. Alan Stern, Jean-Loup Bertaux, Lori M. Feaga, Paul D. Feldman, Brian A. Keeney, John Noonan, Ronald J. Vervack, Richard Medina, Joel Wm. Parker, Matthew M. Knight, Rebecca N. Schindhelm, Jon Pineau
Publikováno v:
The Astronomical Journal
The Astronomical Journal, American Astronomical Society, 2019, 158 (6), art. 252 (9p.)
The Astronomical Journal, American Astronomical Society, 2019, 158 (6), art. 252 (9p.)
The Alice far-UV imaging spectrograph (700-2050 A) acquired over 70,000 spectral images during Rosetta's 2-year escort mission, including over 20,000 in the months surrounding perihelion when the comet activity level was highest. We have developed au
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2b396d83e11895435a85de35f405d62c
https://hal-insu.archives-ouvertes.fr/insu-02362729/document
https://hal-insu.archives-ouvertes.fr/insu-02362729/document
Autor:
Matthew M. Knight, Ronald J. Vervack, Joel Wm. Parker, Andrew J. Steffl, Jean-Loup Bertaux, Cyril Simon Wedlund, T. W. Broiles, Niklas J. T. Edberg, Paul D. Feldman, Michael F. A'Hearn, Brian A. Keeney, Eric Schindhelm, Harold A. Weaver, S. Alan Stern, John Noonan, Lori M. Feaga
Publikováno v:
The Astronomical Journal
The Astronomical Journal, American Astronomical Society, 2018, 156 (1), pp.art. 16. ⟨10.3847/1538-3881/aac432⟩
The Astronomical Journal, American Astronomical Society, 2018, 156 (1), pp.art. 16. ⟨10.3847/1538-3881/aac432⟩
The Alice ultraviolet spectrograph on the European Space Agency Rosetta spacecraft observed comet 67P/Churyumov-Gerasimenko in its orbit around the Sun for just over two years. Alice observations taken in 2015 October, two months after perihelion, sh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a2977d5b800c681ebde8bed64286b70a
http://arxiv.org/abs/1806.06948
http://arxiv.org/abs/1806.06948
Since its launch in 1990, the Hubble Space Telescope (HST) has served as a platform with unique capabilities for remote observations of comets in the far-ultraviolet region of the spectrum. Successive generations of imagers and spectrographs have see
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d436153342b2389e0fdc7c1c90ea4e75
Autor:
Matthew M. Knight, John Noonan, S. Alan Stern, Paul D. Feldman, Joel Wm. Parker, Harold A. Weaver, Brian A. Keeney, Ronald J. Vervack, Lori M. Feaga, Eric Schindhelm, Andrew J. Steffl, Jean-Loup Bertaux, Michael F. A'Hearn
Publikováno v:
The Astronomical Journal
The Astronomical Journal, American Astronomical Society, 2018, 155 (1), pp.art. 9. ⟨10.3847/1538-3881/aa9bf2⟩
The Astronomical Journal, American Astronomical Society, 2018, 155 (1), pp.art. 9. ⟨10.3847/1538-3881/aa9bf2⟩
The Alice far-ultraviolet imaging spectrograph onboard Rosetta observed emissions from atomic and molecular species from within the coma of comet 67P/Churyumov-Gerasimenko during the entire escort phase of the mission from 2014 August to 2016 Septemb
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::114eed09034763d9e4d0dd677eec5d26
http://arxiv.org/abs/1711.07380
http://arxiv.org/abs/1711.07380