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Sökning: WFRF:(Hasegawa Tomoko) > (3200) Phaethon pol...

(3200) Phaethon polarimetry in the negative branch: new evidence for the anhydrous nature of the DESTINY+ target asteroid

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
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
Takahashi, Jun (författare)
Center for Astronomy, University of Hyogo , 407-2 Nishigaichi, Sayo, Hyogo 679-5313, 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
Kawabata, Koji S (författare)
Hiroshima Astrophysical Science Center, Hiroshima University , Kagamiyama 1-3-1, Higashi-Hiroshima, Hiroshima 739-8526, Japan
Nakaoka, Tatsuya (författare)
Hiroshima Astrophysical Science Center, Hiroshima University , Kagamiyama 1-3-1, Higashi-Hiroshima, Hiroshima 739-8526, Japan
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
Mori, Fumiki (författare)
Department of Physics, Graduate School of Advanced Science and Engineering, Hiroshima University , Kagamiyama, 1-3-1, Higashi-Hiroshima, Hiroshima 739-8526, Japan
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
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
Jo, Hangbin (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
Kuroda, Daisuke (författare)
Okayama Observatory, Kyoto University , 3037-5 Honjo, Kamogata, Asakuchi, Okayama 719-0232, Japan
Hasegawa, Sunao (författare)
Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA) , Sagamihara, Kanagawa 252-5210, Japan
Yoshida, Fumi (författare)
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
Ishibashi, Ko (författare)
Planetary Exploration Research Center, Chiba Institute of Technology , 2-17-1 Tsudanuma, Narashino, Chiba 275-0016, Japan
Sekiguchi, Tomohiko (författare)
Asahikawa Campus, Hokkaido University of Education , Hokumon, Asahikawa, Hokkaido 070-8621, Japan
Beniyama, Jin (författare)
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
Arai, Tomoko (författare)
Planetary Exploration Research Center, Chiba Institute of Technology , 2-17-1 Tsudanuma, Narashino, Chiba 275-0016, Japan
Ikeda, Yuji (författare)
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
Shinnaka, Yoshiharu (författare)
Koyama Astronomical Observatory, Kyoto Sangyo University , Motoyama, Kamigamo, Kita-Ku, Kyoto, Kyoto 603-8555, Japan
Granvik, Mikael (författare)
Luleå tekniska universitet,Rymdteknik,Department of Physics, University of Helsinki , PO. Box 64, FI-00014 Helsinki, Finland
Siltala, Lauri (författare)
Department of Physics, University of Helsinki , PO. Box 64, FI-00014 Helsinki, Finland
Djupvik, Anlaug A (författare)
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
Kasikov, Anni (författare)
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
Pinter, Viktoria (författare)
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
Knudstrup, Emil (författare)
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
Engelska.
Ingår i: Monthly Notices of the Royal Astronomical Society: Letters. - : Oxford University Press. - 1745-3925 .- 1745-3933. ; 516:1, s. L53-L57
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • 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.

Ämnesord

NATURVETENSKAP  -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)

Nyckelord

techniques: polarimetric
minor planets
asteroids: individual: (3200) Phaethon
Onboard space systems
Rymdtekniska system

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