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  • Geem, JooyeonDepartment 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 (author)

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

  • Article/chapterEnglish2022

Publisher, publication year, extent ...

  • 2022-07-11
  • Oxford University Press,2022
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:ltu-92520
  • https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-92520URI
  • https://doi.org/10.1093/mnrasl/slac072DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Validerad;2022;Nivå 1;2022-12-02 (sofila);Funder: National Research Foundation of Korea (grant no.  2018R1D1A1A09084105); the Optical & Near- Infrared Astronomy Inter-University Cooperation Program, MEXT, of Japan; Hypervelocity Impact Facility, ISAS; Japan Aerospace Exploration Agency. JAXA; Japan Society for the Promotion of Science (JSPS) KAKENHI (grant no. 20K14541)
  • 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 and genre

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  • Ishiguro, MasateruDepartment 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 (author)
  • Takahashi, JunCenter for Astronomy, University of Hyogo , 407-2 Nishigaichi, Sayo, Hyogo 679-5313, Japan (author)
  • Akitaya, HiroshiPlanetary Exploration Research Center, Chiba Institute of Technology , 2-17-1 Tsudanuma, Narashino, Chiba 275-0016, Japan (author)
  • Kawabata, Koji SHiroshima Astrophysical Science Center, Hiroshima University , Kagamiyama 1-3-1, Higashi-Hiroshima, Hiroshima 739-8526, Japan (author)
  • Nakaoka, TatsuyaHiroshima Astrophysical Science Center, Hiroshima University , Kagamiyama 1-3-1, Higashi-Hiroshima, Hiroshima 739-8526, Japan (author)
  • Imazawa, RyoDepartment of Physics, Graduate School of Advanced Science and Engineering, Hiroshima University , Kagamiyama, 1-3-1, Higashi-Hiroshima, Hiroshima 739-8526, Japan (author)
  • Mori, FumikiDepartment of Physics, Graduate School of Advanced Science and Engineering, Hiroshima University , Kagamiyama, 1-3-1, Higashi-Hiroshima, Hiroshima 739-8526, Japan (author)
  • Jin, SunhoDepartment 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 (author)
  • Bach, Yoonsoo PDepartment 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 (author)
  • Jo, HangbinDepartment 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 (author)
  • Kuroda, DaisukeOkayama Observatory, Kyoto University , 3037-5 Honjo, Kamogata, Asakuchi, Okayama 719-0232, Japan (author)
  • Hasegawa, SunaoInstitute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA) , Sagamihara, Kanagawa 252-5210, Japan (author)
  • Yoshida, FumiPlanetary 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 (author)
  • Ishibashi, KoPlanetary Exploration Research Center, Chiba Institute of Technology , 2-17-1 Tsudanuma, Narashino, Chiba 275-0016, Japan (author)
  • Sekiguchi, TomohikoAsahikawa Campus, Hokkaido University of Education , Hokumon, Asahikawa, Hokkaido 070-8621, Japan (author)
  • Beniyama, JinInstitute 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 (author)
  • Arai, TomokoPlanetary Exploration Research Center, Chiba Institute of Technology , 2-17-1 Tsudanuma, Narashino, Chiba 275-0016, Japan (author)
  • Ikeda, YujiKoyama 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 (author)
  • Shinnaka, YoshiharuKoyama Astronomical Observatory, Kyoto Sangyo University , Motoyama, Kamigamo, Kita-Ku, Kyoto, Kyoto 603-8555, Japan (author)
  • Granvik, MikaelLuleå tekniska universitet,Rymdteknik,Department of Physics, University of Helsinki , PO. Box 64, FI-00014 Helsinki, Finland(Swepub:ltu)mikgra (author)
  • Siltala, LauriDepartment of Physics, University of Helsinki , PO. Box 64, FI-00014 Helsinki, Finland (author)
  • Djupvik, Anlaug ANordic 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 (author)
  • Kasikov, AnniNordic 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 (author)
  • Pinter, ViktoriaNordic 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 (author)
  • Knudstrup, EmilNordic 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 (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 KoreaCenter for Astronomy, University of Hyogo , 407-2 Nishigaichi, Sayo, Hyogo 679-5313, Japan (creator_code:org_t)

Related titles

  • In:Monthly Notices of the Royal Astronomical Society: Letters: Oxford University Press516:1, s. L53-L571745-39251745-3933

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