Comparative Mid-infrared Spectroscopy of Dark, Primitive Asteroids: Does Shared Taxonomic Class Indicate Shared Silicate Composition?

Autor: Oriel A. Humes, Audrey C. Martin, Cristina A. Thomas, Joshua P. Emery

Publikováno v: The Planetary Science Journal, Vol 5, Iss 5, p 108 (2024)

Primitive asteroids with low albedos and red slopes in the visible and near-infrared (VNIR) are found in both the main belt and the Jupiter Trojan clouds. In order to determine whether the VNIR spectral similarities of primitive main-belt asteroids a

Externí odkaz: https://doaj.org/article/879a3fc6dd934a679c2b479110aaaa61

ÆSOPUS 2.0: Low-temperature Opacities with Solid Grains

Autor: Paola Marigo, Peter Woitke, Emanuele Tognelli, Léo Girardi, Bernhard Aringer, Alessandro Bressan

Publikováno v: The Astrophysical Journal, Vol 960, Iss 1, p 18 (2023)

In this study we compute the equation of state and Rosseland mean opacity from temperatures of T ≃ 30,000 K down to T ≃ 400 K, pushing the capabilities of the Æ SOPUS code into the regime where solid grains can form. The GGchem code is used to s

Externí odkaz: https://doaj.org/article/c648cb3297dd40a7a532c22615992159

Presolar Stardust in Asteroid Ryugu

Autor: Jens Barosch, Larry R. Nittler, Jianhua Wang, Conel M. O’D. Alexander, Bradley T. De Gregorio, Cécile Engrand, Yoko Kebukawa, Kazuhide Nagashima, Rhonda M. Stroud, Hikaru Yabuta, Yoshinari Abe, Jérôme Aléon, Sachiko Amari, Yuri Amelin, Ken-ichi Bajo, Laure Bejach, Martin Bizzarro, Lydie Bonal, Audrey Bouvier, Richard W. Carlson, Marc Chaussidon, Byeon-Gak Choi, George D. Cody, Emmanuel Dartois, Nicolas Dauphas, Andrew M. Davis, Alexandre Dazzi, Ariane Deniset-Besseau, Tommaso Di Rocco, Jean Duprat, Wataru Fujiya, Ryota Fukai, Ikshu Gautam, Makiko K. Haba, Minako Hashiguchi, Yuki Hibiya, Hiroshi Hidaka, Hisashi Homma, Peter Hoppe, Gary R. Huss, Kiyohiro Ichida, Tsuyoshi Iizuka, Trevor R. Ireland, Akira Ishikawa, Motoo Ito, Shoichi Itoh, Kanami Kamide, Noriyuki Kawasaki, A. L. David Kilcoyne, Noriko T. Kita, Kouki Kitajima, Thorsten Kleine, Shintaro Komatani, Mutsumi Komatsu, Alexander N. Krot, Ming-Chang Liu, Zita Martins, Yuki Masuda, Jérémie Mathurin, Kevin D. McKeegan, Gilles Montagnac, Mayu Morita, Smail Mostefaoui, Kazuko Motomura, Frédéric Moynier, Izumi Nakai, Ann N. Nguyen, Takuji Ohigashi, Taiga Okumura, Morihiko Onose, Andreas Pack, Changkun Park, Laurette Piani, Liping Qin, Eric Quirico, Laurent Remusat, Sara S. Russell, Naoya Sakamoto, Scott A. Sandford, Maria Schönbächler, Miho Shigenaka, Hiroki Suga, Lauren Tafla, Yoshio Takahashi, Yasuo Takeichi, Yusuke Tamenori, Haolan Tang, Kentaro Terada, Yasuko Terada, Tomohiro Usui, Maximilien Verdier-Paoletti, Sohei Wada, Meenakshi Wadhwa, Daisuke Wakabayashi, Richard J. Walker, Katsuyuki Yamashita, Shohei Yamashita, Qing-Zhu Yin, Tetsuya Yokoyama, Shigekazu Yoneda, Edward D. Young, Hiroharu Yui, Ai-Cheng Zhang, Masanao Abe, Akiko Miyazaki, Aiko Nakato, Satoru Nakazawa, Masahiro Nishimura, Tatsuaki Okada, Takanao Saiki, Satoshi Tanaka, Fuyuto Terui, Yuichi Tsuda, Sei-ichiro Watanabe, Toru Yada, Kasumi Yogata, Makoto Yoshikawa, Tomoki Nakamura, Hiroshi Naraoka, Takaaki Noguchi, Ryuji Okazaki, Kanako Sakamoto, Shogo Tachibana, Hisayoshi Yurimoto

Publikováno v: Astrophysical Journal, Letters
The Astrophysical Journal Letters
The Astrophysical journal letters
The Astrophysical journal letters, 2022, 935, ⟨10.3847/2041-8213/ac83bd⟩
Barosch, J, Nittler, L R, Wang, J, Alexander, C M OD, De Gregorio, B T, Engrand, C, Kebukawa, Y, Nagashima, K, Stroud, R M, Yabuta, H, Abe, Y, Aléon, J, Amari, S, Amelin, Y, Bajo, K, Bejach, L, Bizzarro, M, Bonal, L, Bouvier, A, Carlson, R W, Chaussidon, M, Choi, B-G, Cody, G D, Dartois, E, Dauphas, N, Davis, A M, Dazzi, A, Deniset-Besseau, A, Di Rocco, T, Duprat, J, Fujiya, W, Fukai, R, Gautam, I, Haba, M K, Hashiguchi, M, Hibiya, Y, Hidaka, H, Homma, H, Hoppe, P, Huss, G R, Ichida, K, Iizuka, T, Ireland, T R, Ishikawa, A, Ito, M, Itoh, S, Kamide, K, Kawasaki, N, Kilcoyne, A L D, Kita, N T, Kitajima, K, Kleine, T, Komatani, S, Komatsu, M, Krot, A N, Liu, M-C, Martins, Z, Masuda, Y, Mathurin, J, McKeegan, K D, Montagnac, G, Morita, M, Mostefaoui, S, Motomura, K, Moynier, F, Nakai, I, Nguyen, A N, Ohigashi, T, Okumura, T, Onose, M, Pack, A, Park, C, Piani, L, Qin, L, Quirico, E, Remusat, L, Russell, S S, Sakamoto, N, Sandford, S A, Schönbächler, M, Shigenaka, M, Suga, H, Tafla, L, Takahashi, Y, Takeichi, Y, Tamenori, Y, Tang, H, Terada, K, Terada, Y, Usui, T, Verdier-Paoletti, M, Wada, S, Wadhwa, M, Wakabayashi, D, Walker, R J, Yamashita, K, Yamashita, S, Yin, Q-Z, Yokoyama, T, Yoneda, S, Young, E D, Yui, H, Zhang, A-C, Abe, M, Miyazaki, A, Nakato, A, Nakazawa, S, Nishimura, M, Okada, T, Saiki, T, Tanaka, S, Terui, F, Tsuda, Y, Watanabe, S, Yada, T, Yogata, K, Yoshikawa, M, Nakamura, T, Naraoka, H, Noguchi, T, Okazaki, R, Sakamoto, K, Tachibana, S & Yurimoto, H 2022, ' Presolar Stardust in Asteroid Ryugu ', Astrophysical Journal Letters, vol. 935, no. 1, L3 . https://doi.org/10.3847/2041-8213/ac83bd
The Astrophysical Journal

We have conducted a NanoSIMS-based search for presolar material in samples recently returned from C-type asteroid Ryugu as part of JAXA's Hayabusa2 mission. We report the detection of all major presolar grain types with O- and C-anomalous isotopic co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3076c4a357b620eafbef15418358a097
https://hdl.handle.net/21.11116/0000-000B-1692-7

Trends in Silicates in the β Pictoris Disk

Autor: Lu, Cicero X., Chen, Christine H., Sargent, B. A., Watson, Dan M., Lisse, Carey M., Green, Joel D., Sitko, Michael L., Mittal, Tushar, Lebouteiller, Vianney, Sloan, G. C., Rebollido, Isabel, Hines, Dean C., Girard, Julien H., Werner, Michael W., Stapelfeldt, Karl R., Wu, Winston, Worthen, Kadin, Lu, Cicero, Chen, Christine, Watson, Dan, Lisse, Carey, Green, Joel, Sitko, Michael, Hines, Dean, Girard, Julien, Werner, Michael, Stapelfeldt, Karl

Publikováno v: The Astrophysical Journal
The Astrophysical Journal, 2022, 933 (1), pp.54. ⟨10.3847/1538-4357/ac70d1⟩

While beta Pic is known to host silicates in ring-like structures, whether the properties of these silicate dust vary with stellocentric distance remains an open question. We re-analyze the beta Pictoris debris disk spectrum from the Spitzer Infrared

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8b597a592d035c699181d91cf2d2329b
https://doi.org/10.3847/1538-4357/ac70d1

Silicon and Hydrogen Chemistry under Laboratory Conditions Mimicking the Atmosphere of Evolved Stars-Phase Condensation

Autor: Accolla, Mario, Santoro, Gonzalo, Merino-Mateo, Pablo, Martínez-Orellana, Lidia, Tajuelo-Castilla, G., Vázquez, Luis, Sobrado, Jesús Manuel, Jiménez-Redondo, Miguel, Herrero, Víctor J., Tanarro, Isabel, Joblin, Christine, Martín-Gago, José A., Cernicharo, José

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
instname
Digital.CSIC: Repositorio Institucional del CSIC
Consejo Superior de Investigaciones Científicas (CSIC)

7 pags., 6 figs.
Silicon is present in interstellar dust grains, meteorites and asteroids, and to date 13 silicon-bearing molecules have been detected in the gas phase toward late-type stars or molecular clouds, including silane and silane deriv

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::4a0f18592b515f7c535d708fb605a179
http://hdl.handle.net/10261/241859