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Polarimetric proper...
Polarimetric properties of the near-Sun asteroid (155140) 2005 UD in comparison with other asteroids and meteoritic samples
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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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- 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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- 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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- Naito, Hiroyuki (författare)
- Nayoro Observatory, 157-1 Nisshin, Nayoro, Hokkaido 096-0066, Japan
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- Kuroda, Daisuke (författare)
- Okayama Observatory, Kyoto University, 3037-5 Honjo, Kamogata, Asakuchi, Okayama 719-0232, Japan
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- Im, Myungshin (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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- Lee, Myung Gyoon (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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- Seo, Jinguk (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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- Kwon, Yuna G. (författare)
- Institut für Geophysik und Extraterrestrische Physik, Technische Universität Braunschweig, Mendelssohnstr. 3, 38106 Braunschweig, Germany
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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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- Takagi, Seiko (författare)
- Department of Cosmosciences, Graduate School of Science, Hokkaido University, Kita-ku, Sapporo, Hokkaido 060-0810, Japan
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- Sato, Mitsuteru (författare)
- Department of Cosmosciences, Graduate School of Science, Hokkaido University, Kita-ku, Sapporo, Hokkaido 060-0810, Japan
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- Kuramoto, Kiyoshi (författare)
- Department of Cosmosciences, Graduate School of Science, Hokkaido University, Kita-ku, Sapporo, Hokkaido 060-0810, Japan
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- Ito, Takashi (författare)
- National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan; Planetary Exploration Research Center, Chiba Institute of Technology, Tsudanuma, Narashino, Chiba 275-0016, 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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- Yoshida, Fumi (författare)
- University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahata, Kitakyusyu 807-8555, Japan; Planetary Exploration Research Center, Chiba Institute of Technology, Tsudanuma, Narashino, Chiba 275-0016, Japan
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- Arai, Tomoko (författare)
- Planetary Exploration Research Center, Chiba Institute of Technology, Tsudanuma, Narashino, Chiba 275-0016, Japan
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- Akitaya, Hiroshi (författare)
- Planetary Exploration Research Center, Chiba Institute of Technology, Tsudanuma, Narashino, Chiba 275-0016, Japan
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- Sekiguchi, Tomohiko (författare)
- Asahikawa Campus, Hokkaido University of Education, Hokumon, Asahikawa, Hokkaido 070-8621, Japan
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- Okazaki, Ryo (författare)
- Asahikawa Campus, Hokkaido University of Education, Hokumon, Asahikawa, Hokkaido 070-8621, Japan
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- Imai, Masataka (författare)
- Faculty of Science, Kyoto Sangyo University, Banyukan B401, Motoyama, Kamigamo, Kita-Ku, Kyoto-shi, Kyoto 603-8555, Japan
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- Ohtsuka, Katsuhito (författare)
- Tokyo Meteor Network, Daisawa 1-27-5, Setagaya, Tokyo 155-0032, Japan
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- Watanabe, Makoto (författare)
- Department of Applied Physics, Okayama University of Science, 1-1 Ridaicho, Kita-ku, Okayama, Okayama 700-0005, Japan
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- Takahashi, Jun (författare)
- Centerfor Astronomy, University of Hyogo, 407-2 Nishigaichi, Sayo, Hyogo 679-5313, Japan
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- Devogèle, Maxime (författare)
- Arecibo Observatory, University of Central Florida, HC-3 Box 53995, Arecibo, PR 00612, USA
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- Fedorets, Grigori (författare)
- Department of Physics, University of Helsinki, PO Box 64, FI-00014 University of Helsinki, Finland; Astrophysics Research Centre, School of Mathematics and Physics, Queen’s University Belfast, Belfast BT7 1NN, UK
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- Siltala, Lauri (författare)
- Department of Physics, University of Helsinki, PO Box 64, FI-00014 University of Helsinki, Finland; Nordic Optical Telescope, Apartado 474, E-38700 S/C de La Palma, Santa Cruz de Tenerife, Spain
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- Granvik, Mikael (författare)
- Luleå tekniska universitet,Rymdteknik,Department of Physics, University of Helsinki, PO Box 64, FI-00014 University of Helsinki, Finland
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(creator_code:org_t)
- 2021-11-09
- 2022
- Engelska.
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Ingår i: Monthly notices of the Royal Astronomical Society. - : Oxford University Press. - 0035-8711 .- 1365-2966. ; 509:3, s. 4128-4142
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Abstract
Ämnesord
Stäng
- The investigation of asteroids near the Sun is important for understanding the final evolutionary stage of primitive Solar system objects. A near-Sun asteroid (NSA), (155140) 2005 UD, has orbital elements similar to those of (3200) Phaethon (the target asteroid for the JAXA’s DESTINY+ mission). We conducted photometric and polarimetric observations of 2005 UD and found that this asteroid exhibits a polarization phase curve similar to that of Phaethon over a wide range of observed solar phase angles (α = 20–105°) but different from those of (101955) Bennu and (162173) Ryugu (asteroids composed of hydrated carbonaceous materials). At a low phase angle (α ≲ 30°), the polarimetric properties of these NSAs (2005 UD and Phaethon) are consistent with anhydrous carbonaceous chondrites, while the properties of Bennu are consistent with hydrous carbonaceous chondrites. We derived the geometric albedo, pV ∼ 0.1 (in the range of 0.088–0.109); mean V-band absolute magnitude, HV = 17.54 ± 0.02; synodic rotational period, Trot=5.2388±0.0022h (the two-peaked solution is assumed); and effective mean diameter, Deff=1.32±0.06km. At large phase angles (α ≳ 80°), the polarization phase curve are likely explained by the dominance of large grains and the paucity of small micron-sized grains. We conclude that the polarimetric similarity of these NSAs can be attributed to the intense solar heating of carbonaceous materials around their perihelia, where large anhydrous particles with small porosity could be produced by sintering.
Ämnesord
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Nyckelord
- techniques: photometric
- techniques: polarimetric
- minor planets
- asteroids: individual: (3200) Phaethon
- 2005 UD
- Onboard Space Systems
- Rymdtekniska system
Publikations- och innehållstyp
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Ishiguro, Masate ...
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Bach, Yoonsoo P.
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Geem, Jooyeon
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Naito, Hiroyuki
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Kuroda, Daisuke
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Im, Myungshin
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visa fler...
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Lee, Myung Gyoon
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Seo, Jinguk
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Jin, Sunho
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Kwon, Yuna G.
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Oono, Tatsuharu
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Takagi, Seiko
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Sato, Mitsuteru
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Kuramoto, Kiyosh ...
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Ito, Takashi
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Hasegawa, Sunao
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Yoshida, Fumi
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Arai, Tomoko
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Akitaya, Hiroshi
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Sekiguchi, Tomoh ...
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Okazaki, Ryo
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Imai, Masataka
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Ohtsuka, Katsuhi ...
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Watanabe, Makoto
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Takahashi, Jun
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Devogèle, Maxime
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Fedorets, Grigor ...
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Siltala, Lauri
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Granvik, Mikael
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