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Spectral type and g...
Spectral type and geometric albedo of (98943) 2001 CC21, the Hayabusa2# mission target
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- Geem, Jooyeon (författare)
- Department of Physics and Astronomy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea; SNU Astronomy Research Center, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
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- Ishiguro, Masateru (författare)
- Department of Physics and Astronomy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea; SNU Astronomy Research Center, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
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- Granvik, Mikael (författare)
- Luleå tekniska universitet,Rymdteknik,Department of Physics, University of Helsinki, P.O. Box 64, FI-00014, Finland
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- Naito, Hiroyuki (författare)
- Nayoro Observatory, 157-1 Nisshin, Nayoro, Hokkaido, 096-0066, Japan
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- Akitaya, Hiroshi (författare)
- Planetary Exploration Research Center, Chiba Institute of Technology, 2-17-1 Tsudanuma, Narashino, Chiba, 275-0016, Japan; Hiroshima Astrophysical Science Center, Hiroshima University, Kagamiyama 1-3-1, Higashi-Hiroshima, Hiroshima, 739-8526, Japan
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- Sekiguchi, Tomohiko (författare)
- Asahikawa Campus, Hokkaido University of Education, 9 Hokumon, Asahikawa, Hokkaido 070-8621, Japan
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- Hasegawa, Sunao (författare)
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara, Kanagawa, 252-5210, Japan
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- Kuroda, Daisuke (författare)
- Bisei Spaceguard Center, Japan Spaceguard Association, 1716-3 Okura, Bisei-cho, Ibara, Okayama, 714-1411, Japan
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- Oono, Tatsuharu (författare)
- Department of Cosmosciences, Graduate School of Science, Hokkaido University, Kita-ku, Sapporo, Hokkaido, 060-0810, Japan
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- Bach, Yoonsoo P (författare)
- Department of Physics and Astronomy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea; SNU Astronomy Research Center, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
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- Jin, Sunho (författare)
- Department of Physics and Astronomy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea; SNU Astronomy Research Center, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
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- Imazawa, Ryo (författare)
- Department of Physics, Graduate School of Advanced Science and Engineering, Hiroshima University, Kagamiyama, 1-3-1 Higashi-Hiroshima, Hiroshima, 739-8526, Japan
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- Kawabata, Koji S (författare)
- Hiroshima Astrophysical Science Center, Hiroshima University, Kagamiyama 1-3-1, Higashi-Hiroshima, Hiroshima, 739-8526, Japan; Department of Physics, Graduate School of Advanced Science and Engineering, Hiroshima University, Kagamiyama, 1-3-1 Higashi-Hiroshima, Hiroshima, 739-8526, Japan
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- Takagi, Seiko (författare)
- Department of Earth and Planetary Sciences, Faculty of Science, Hokkaido University, Kita-ku, Sapporo, Hokkaido, 060-0810, Japan
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- Yoshikawa, Makoto (författare)
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara, Kanagawa, 252-5210, Japan
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- Djupvik, Anlaug A (författare)
- Nordic Optical Telescope, Rambla José Ana Fernandeź Pereź 7, ES-38711, Brena Baja, Spain; Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, DK-8000, Aarhus C, Denmark
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- Gadeberg, Julie Thiim (författare)
- Nordic Optical Telescope, Rambla José Ana Fernandeź Pereź 7, ES-38711, Brena Baja, Spain
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- Pursimo, Tapio (författare)
- Nordic Optical Telescope, Rambla José Ana Fernandeź Pereź 7, ES-38711, Brena Baja, Spain; Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, DK-8000, Aarhus C, Denmark
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- Pedros, Oliver Durfeldt (författare)
- Nordic Optical Telescope, Rambla José Ana Fernandeź Pereź 7, ES-38711, Brena Baja, Spain; DTU Space, National Space Institute, Technical University of Denmark, Elektrovej 328, DK-2800, Kgs. Lyngby, Denmark
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- Thomsen, Jeppe Sinkbaek (författare)
- Nordic Optical Telescope, Rambla José Ana Fernandeź Pereź 7, ES-38711, Brena Baja, Spain; Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, DK-8000, Aarhus C, Denmark; Dipartimento di Fisica e Astronomia, Universita di Bologna, Via Zamboni, 33, 40126, Bologna, Italia
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- Gray, Zuri (författare)
- Nordic Optical Telescope, Rambla José Ana Fernandeź Pereź 7, ES-38711, Brena Baja, Spain; Armagh Observatory and Planetarium, College Hill, Armagh, BT61 9DG, UK; Mullard Space Science Laboratory, Department of Space & Climate Physics, University College London, Holmbury St. Mary, Dorking, Surrey, RH5 6NT, UK
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(creator_code:org_t)
- Oxford University Press, 2023
- 2023
- Engelska.
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Ingår i: Monthly Notices of the Royal Astronomical Society: Letters. - : Oxford University Press. - 1745-3925 .- 1745-3933. ; 525:1, s. L17-L21
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We conducted optical polarimetry and near-infrared spectroscopy of Japan Aerospace Exploration Agency (JAXA)'s Hayabusa2# mission target, (98943) 2001 CC21, in early 2023. Our new observations indicate that this asteroid has a polarimetric inversion angle of ∼20°, absorption bands around 0.9 and 1.9 μm, and a geometric albedo of 0.23 ± 0.04. All these features are consistent with those of S types but inconsistent with L types. Based on this evidence, we conclude that JAXA's Hayabusa2# spacecraft will explore an S-type asteroid (more specifically, an L or LL chondrite-like object) with albedo and size (0.44-0.53 km when we assume the absolute magnitude of 18.8) similar to (25143) Itokawa.
Ämnesord
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Nyckelord
- minor planets
- asteroids: individual: (98943) 2001 CC21
- techniques: polarimetric
- techniques: spectroscopic
- Onboard Space Systems
- Rymdtekniska system
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Geem, Jooyeon
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Ishiguro, Masate ...
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Granvik, Mikael
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Naito, Hiroyuki
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Akitaya, Hiroshi
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Sekiguchi, Tomoh ...
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Hasegawa, Sunao
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Kuroda, Daisuke
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Oono, Tatsuharu
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Bach, Yoonsoo P
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Jin, Sunho
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Imazawa, Ryo
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Kawabata, Koji S
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Takagi, Seiko
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Yoshikawa, Makot ...
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Djupvik, Anlaug ...
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Gadeberg, Julie ...
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Pursimo, Tapio
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Pedros, Oliver D ...
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Thomsen, Jeppe S ...
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Gray, Zuri
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