A substellar companion to Pleiades HII 3441

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MARC

Konishi, Mihoko (author)

A substellar companion to Pleiades HII 3441

Article/chapterEnglish2016

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2016-09-19
Oxford University Press (OUP),2016
printrdacarrier

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LIBRIS-ID:oai:DiVA.org:su-139447
https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-139447URI
https://doi.org/10.1093/pasj/psw083DOI

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Language:English
Summary in:English

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SwePubSwePub

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

Notes

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

NATURVETENSKAP Fysik Astronomi, astrofysik och kosmologi hsv//swe
NATURAL SCIENCES Physical Sciences Astronomy, Astrophysics and Cosmology hsv//eng
brown dwarfs
stars: imaging
stars: individual (Pleiades HII 3441)
stars: low-mass

Added entries (persons, corporate bodies, meetings, titles ...)

Matsuo, Taro (author)
Yamamoto, Kodai (author)
Samland, Matthias (author)
Sudo, Jun (author)
Shibai, Hiroshi (author)
Itoh, Yoichi (author)
Fukagawa, Misato (author)
Sumi, Takahiro (author)
Kudo, Tomoyuki (author)
Hashimoto, Jun (author)
Kuzuhara, Masayuki (author)
Kusakabe, Nobuhiko (author)
Abe, Lyu (author)
Akiyama, Eiji (author)
Brandner, Wolfgang (author)
Brandt, Timothy D. (author)
Carson, Joseph C. (author)
Feldt, Markus (author)
Goto, Miwa (author)
Grady, Carol A. (author)
Guyon, Olivier (author)
Hayano, Yutaka (author)
Hayashi, Masahiko (author)
Hayashi, Saeko S. (author)
Henning, Thomas (author)
Hodapp, Klaus W. (author)
Ishii, Miki (author)
Iye, Masanori (author)
Janson, MarkusStockholms universitet,Institutionen för astronomi(Swepub:su)mjanso (author)
Kandori, Ryo (author)
Knapp, Gillian R. (author)
Kwon, Jungmi (author)
McElwain, Michael W. (author)
Mede, Kyle (author)
Miyama, Shoken (author)
Morino, Jun-Ichi (author)
Moro-Martin, Amaya (author)
Nishimura, Tetsuo (author)
Oh, Daehyeon (author)
Pyo, Tae-Soo (author)
Serabyn, Eugene (author)
Schlieder, Joshua E. (author)
Suenaga, Takuya (author)
Suto, Hiroshi (author)
Suzuki, Ryuji (author)
Takahashi, Yasuhiro H. (author)
Takami, Michihiro (author)
Takato, Naruhisa (author)
Terada, Hiroshi (author)
Thalmann, Christian (author)
Turner, Edwin L. (author)
Watanabe, Makoto (author)
Wisniewski, John P. (author)
Yamada, Toru (author)
Takami, Hideki (author)
Usuda, Tomonori (author)
Tamura, Motohide (author)
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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By the author/editor: Konishi, Mihoko; Matsuo, Taro; Yamamoto, Kodai; Samland, Matthia ...; Sudo, Jun; Shibai, Hiroshi; show more...; Itoh, Yoichi; Fukagawa, Misato; Sumi, Takahiro; Kudo, Tomoyuki; Hashimoto, Jun; Kuzuhara, Masayu ...; Kusakabe, Nobuhi ...; Abe, Lyu; Akiyama, Eiji; Brandner, Wolfga ...; Brandt, Timothy ...; Carson, Joseph C ...; Feldt, Markus; Goto, Miwa; Grady, Carol A.; Guyon, Olivier; Hayano, Yutaka; Hayashi, Masahik ...; Hayashi, Saeko S ...; Henning, Thomas; Hodapp, Klaus W.; Ishii, Miki; Iye, Masanori; Janson, Markus; Kandori, Ryo; Knapp, Gillian R ...; Kwon, Jungmi; McElwain, Michae ...; Mede, Kyle; Miyama, Shoken; Morino, Jun-Ichi; Moro-Martin, Ama ...; Nishimura, Tetsu ...; Oh, Daehyeon; Pyo, Tae-Soo; Serabyn, Eugene; Schlieder, Joshu ...; Suenaga, Takuya; Suto, Hiroshi; Suzuki, Ryuji; Takahashi, Yasuh ...; Takami, Michihir ...; Takato, Naruhisa; Terada, Hiroshi; Thalmann, Christ ...; Turner, Edwin L.; Watanabe, Makoto; Wisniewski, John ...; Yamada, Toru; Takami, Hideki; Usuda, Tomonori; Tamura, Motohide; show less...

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NATURAL SCIENCES: NATURAL SCIENCES; and Physical Science ...; and Astronomy Astrop ...

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