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(3200) Phaethon pol...
(3200) Phaethon polarimetry in the negative branch: new evidence for the anhydrous nature of the DESTINY+ target asteroid
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- Geem, Jooyeon (author)
- 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 (author)
- 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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- Takahashi, Jun (author)
- Center for Astronomy, University of Hyogo , 407-2 Nishigaichi, Sayo, Hyogo 679-5313, Japan
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- Akitaya, Hiroshi (author)
- Planetary Exploration Research Center, Chiba Institute of Technology , 2-17-1 Tsudanuma, Narashino, Chiba 275-0016, Japan
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- Kawabata, Koji S (author)
- Hiroshima Astrophysical Science Center, Hiroshima University , Kagamiyama 1-3-1, Higashi-Hiroshima, Hiroshima 739-8526, Japan
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- Nakaoka, Tatsuya (author)
- Hiroshima Astrophysical Science Center, Hiroshima University , Kagamiyama 1-3-1, Higashi-Hiroshima, Hiroshima 739-8526, Japan
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- Imazawa, Ryo (author)
- 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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- Mori, Fumiki (author)
- 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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- Jin, Sunho (author)
- 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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- Bach, Yoonsoo P (author)
- 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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- Jo, Hangbin (author)
- 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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- Kuroda, Daisuke (author)
- Okayama Observatory, Kyoto University , 3037-5 Honjo, Kamogata, Asakuchi, Okayama 719-0232, Japan
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- Hasegawa, Sunao (author)
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA) , Sagamihara, Kanagawa 252-5210, Japan
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- Yoshida, Fumi (author)
- Planetary Exploration Research Center, Chiba Institute of Technology , 2-17-1 Tsudanuma, Narashino, Chiba 275-0016, Japan; School of Medicine, University of Occupational and Environmental Health , 1-1 Iseigaoka, Yahata, Kitakyusyu 807-8555, Japan
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- Ishibashi, Ko (author)
- Planetary Exploration Research Center, Chiba Institute of Technology , 2-17-1 Tsudanuma, Narashino, Chiba 275-0016, Japan
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- Sekiguchi, Tomohiko (author)
- Asahikawa Campus, Hokkaido University of Education , Hokumon, Asahikawa, Hokkaido 070-8621, Japan
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- Beniyama, Jin (author)
- Institute of Astronomy, Graduate School of Science, The University of Tokyo , 2-21-1 Osawa, Mitaka, Tokyo 181-0015, Japan; Department of Astronomy, Graduate School of Science, The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
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- Arai, Tomoko (author)
- Planetary Exploration Research Center, Chiba Institute of Technology , 2-17-1 Tsudanuma, Narashino, Chiba 275-0016, Japan
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- Ikeda, Yuji (author)
- Koyama Astronomical Observatory, Kyoto Sangyo University , Motoyama, Kamigamo, Kita-Ku, Kyoto, Kyoto 603-8555, Japan; Photocoding , 460-102 Iwakura-Nakamachi, Sakyo-ku, Kyoto 606-0025, Japan
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- Shinnaka, Yoshiharu (author)
- Koyama Astronomical Observatory, Kyoto Sangyo University , Motoyama, Kamigamo, Kita-Ku, Kyoto, Kyoto 603-8555, Japan
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- Granvik, Mikael (author)
- Luleå tekniska universitet,Rymdteknik,Department of Physics, University of Helsinki , PO. Box 64, FI-00014 Helsinki, Finland
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- Siltala, Lauri (author)
- Department of Physics, University of Helsinki , PO. Box 64, FI-00014 Helsinki, Finland
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- Djupvik, Anlaug A (author)
- Nordic Optical Telescope , Rambla José Ana Fernández Pérez 7, ES-38711 Breña Baja, Spain; Department of Physics and Astronomy, Aarhus University , Ny Munkegade 120, DK-8000 Aarhus C, Denmark
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- Kasikov, Anni (author)
- Nordic Optical Telescope, Rambla José Ana Fernández Pérez 7, ES-38711 Breña Baja, Spain; Department of Physics and Astronomy, Aarhus University , Ny Munkegade 120, DK-8000 Aarhus C, Denmark; Tartu Observatory, University of Tartu , Observatooriumi 1, Tõravere 61602, Estonia
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- Pinter, Viktoria (author)
- Nordic Optical Telescope, Rambla José Ana Fernández Pérez 7, ES-38711 Breña Baja, Spain; Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, DK-8000 Aarhus C, Denmark; Physics Department, University of Craiova , Alexandru Ioan Cuza 13, 200585 Craiova, Romania
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- Knudstrup, Emil (author)
- Nordic Optical Telescope, Rambla José Ana Fernández Pérez 7, ES-38711 Breña Baja, Spain; Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, DK-8000 Aarhus C, Denmark
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(creator_code:org_t)
- 2022-07-11
- 2022
- English.
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In: Monthly Notices of the Royal Astronomical Society: Letters. - : Oxford University Press. - 1745-3925 .- 1745-3933. ; 516:1, s. L53-L57
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- We report on the first polarimetric study of (3200) Phaethon, the target of JAXA’s DESTINY+ mission, in the negative branch to ensure its anhydrous nature and to derive an accurate geometric albedo. We conducted observations at low phase angles (Sun-target-observer angle, α = 8.8–32.4°) from 2021 October to 2022 January and found that Phaethon has a minimum polarization degree Pmin = −1.3 ± 0.1 per cent, a polarimetric slope h = 0.22 ± 0.02 per cent deg−1, and an inversion angle α0 = 19.9 ± 0.3°. The derived geometric albedo is pV = 0.11 (in the range of 0.08–0.13). These polarimetric properties are consistent with anhydrous chondrites, contradict hydrous chondrites, and typical cometary nuclei.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- techniques: polarimetric
- minor planets
- asteroids: individual: (3200) Phaethon
- Onboard space systems
- Rymdtekniska system
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Geem, Jooyeon
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Ishiguro, Masate ...
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Takahashi, Jun
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Akitaya, Hiroshi
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Kawabata, Koji S
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Nakaoka, Tatsuya
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Imazawa, Ryo
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Mori, Fumiki
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Jin, Sunho
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Bach, Yoonsoo P
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Jo, Hangbin
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Kuroda, Daisuke
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Hasegawa, Sunao
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Yoshida, Fumi
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Ishibashi, Ko
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Sekiguchi, Tomoh ...
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Beniyama, Jin
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Arai, Tomoko
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Ikeda, Yuji
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Shinnaka, Yoshih ...
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Granvik, Mikael
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Siltala, Lauri
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Djupvik, Anlaug ...
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Kasikov, Anni
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Pinter, Viktoria
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Knudstrup, Emil
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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Monthly Notices ...
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Luleå University of Technology