Search: (WFRF:(Suzuki Ryuji)) srt2:(2016) pers:(Usuda Tomonori) >
A substellar compan...
A substellar companion to Pleiades HII 3441
- Article/chapterEnglish2016
Publisher, publication year, extent ...
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2016-09-19
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Oxford University Press (OUP),2016
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printrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:su-139447
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https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-139447URI
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https://doi.org/10.1093/pasj/psw083DOI
Supplementary language notes
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Language:English
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Summary in:English
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Classification
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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We find a new substellar companion to the Pleiades member star, Pleiades HII 3441, using the Subaru telescope with adaptive optics. The discovery is made as part of the high-contrast imaging survey to search for planetary-mass and substellar companions in the Pleiades and young moving groups. The companion has a projected separation of 0.'' 49 +/- 0.'' 02 (66 +/- 2 au) and a mass of 68 +/- 5 M-J based on three observations in the J-, H-, and K-s-bands. The spectral type is estimated to be M7 (similar to 2700 K), and thus no methane absorption is detected in the H band. Our Pleiades observations result in the detection of two substellar companions including one previously reported among 20 observed Pleiades stars, and indicate that the fraction of substellar companions in the Pleiades is about 10.0(-8.8)(+26.1)%. This is consistent with multiplicity studies of both the Pleiades stars and other open clusters.
Subject headings and genre
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Matsuo, Taro
(author)
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Yamamoto, Kodai
(author)
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Samland, Matthias
(author)
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Sudo, Jun
(author)
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Shibai, Hiroshi
(author)
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Itoh, Yoichi
(author)
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Fukagawa, Misato
(author)
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Sumi, Takahiro
(author)
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Kudo, Tomoyuki
(author)
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Hashimoto, Jun
(author)
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Kuzuhara, Masayuki
(author)
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Kusakabe, Nobuhiko
(author)
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Abe, Lyu
(author)
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Akiyama, Eiji
(author)
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Brandner, Wolfgang
(author)
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Brandt, Timothy D.
(author)
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Carson, Joseph C.
(author)
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Feldt, Markus
(author)
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Goto, Miwa
(author)
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Grady, Carol A.
(author)
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Guyon, Olivier
(author)
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Hayano, Yutaka
(author)
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Hayashi, Masahiko
(author)
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Hayashi, Saeko S.
(author)
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Henning, Thomas
(author)
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Hodapp, Klaus W.
(author)
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Ishii, Miki
(author)
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Iye, Masanori
(author)
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Janson, MarkusStockholms universitet,Institutionen för astronomi(Swepub:su)mjanso
(author)
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Kandori, Ryo
(author)
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Knapp, Gillian R.
(author)
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Kwon, Jungmi
(author)
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McElwain, Michael W.
(author)
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Mede, Kyle
(author)
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Miyama, Shoken
(author)
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Morino, Jun-Ichi
(author)
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Moro-Martin, Amaya
(author)
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Nishimura, Tetsuo
(author)
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Oh, Daehyeon
(author)
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Pyo, Tae-Soo
(author)
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Serabyn, Eugene
(author)
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Schlieder, Joshua E.
(author)
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Suenaga, Takuya
(author)
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Suto, Hiroshi
(author)
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Suzuki, Ryuji
(author)
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Takahashi, Yasuhiro H.
(author)
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Takami, Michihiro
(author)
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Takato, Naruhisa
(author)
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Terada, Hiroshi
(author)
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Thalmann, Christian
(author)
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Turner, Edwin L.
(author)
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Watanabe, Makoto
(author)
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Wisniewski, John P.
(author)
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Yamada, Toru
(author)
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Takami, Hideki
(author)
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Usuda, Tomonori
(author)
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Tamura, Motohide
(author)
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Stockholms universitetInstitutionen för astronomi
(creator_code:org_t)
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In:Publications of the Astronomical Society of Japan: Oxford University Press (OUP)68:60004-62642053-051X
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Konishi, Mihoko
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Matsuo, Taro
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Yamamoto, Kodai
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Samland, Matthia ...
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Sudo, Jun
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Shibai, Hiroshi
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Itoh, Yoichi
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Fukagawa, Misato
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Sumi, Takahiro
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Kudo, Tomoyuki
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Hashimoto, Jun
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Kuzuhara, Masayu ...
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Kusakabe, Nobuhi ...
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Abe, Lyu
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Akiyama, Eiji
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Brandner, Wolfga ...
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Brandt, Timothy ...
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Carson, Joseph C ...
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Feldt, Markus
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Goto, Miwa
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Grady, Carol A.
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Guyon, Olivier
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Hayano, Yutaka
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Hayashi, Masahik ...
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Hayashi, Saeko S ...
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Henning, Thomas
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Hodapp, Klaus W.
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Ishii, Miki
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Iye, Masanori
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Janson, Markus
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Kandori, Ryo
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Knapp, Gillian R ...
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Kwon, Jungmi
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McElwain, Michae ...
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Mede, Kyle
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Miyama, Shoken
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Morino, Jun-Ichi
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Moro-Martin, Ama ...
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Nishimura, Tetsu ...
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Oh, Daehyeon
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Pyo, Tae-Soo
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Serabyn, Eugene
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Schlieder, Joshu ...
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Suenaga, Takuya
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Suto, Hiroshi
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Suzuki, Ryuji
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Takahashi, Yasuh ...
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Takami, Michihir ...
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Takato, Naruhisa
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Terada, Hiroshi
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Thalmann, Christ ...
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Turner, Edwin L.
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Watanabe, Makoto
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Wisniewski, John ...
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Yamada, Toru
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Takami, Hideki
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Usuda, Tomonori
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Tamura, Motohide
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