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Near-infrared imaging polarimetry of LkCa 15: A possible warped inner disk.
Oh, Daehyeon; Hashimoto, Jun; Tamura, Motohide; Wisniewski, John; Akiyama, Eiji; Currie, Thayne; Mayama, Satoshi; Takami, Michihiro; Thalmann, Christian; Kudo, Tomoyuki; Kusakabe, Nobuhiko; Abe, Lyu; Brandner, Wolfgang; Brandt, Timothy D; Carson, Joseph C; Egner, Sebastian; Feldt, Markus; Goto, Miwa; Grady, Carol A; Guyon, Olivier; Hayano, Yutaka; Hayashi, Masahiko; Hayashi, Saeko S; Henning, Thomas; Hodapp, Klaus W; Ishii, Miki; Iye, Masanori; Janson, Markus; Kandori, Ryo; Knapp, Gillian R; Kuzuhara, Masayuki; Kwon, Jungmi; Matsuo, Taro; McElwain, Michael W; Miyama, Shoken; Morino, Jun-Ichi; Moro-Martin, Amaya; Nishimura, Tetsuo; Pyo, Tae-Soo; Serabyn, Eugene; Suenaga, Takuya; Suto, Hiroshi; Suzuki, Ryuji; Takahashi, Yasuhiro H; Takato, Naruhisa; Terada, Hiroshi; Turner, Edwin L; Watanabe, Makoto; Yamada, Toru; Takami, Hideki.
Afiliación
  • Oh D; Department of Astronomical Science, The Graduate University for Advanced Studies (SOKENDAI), 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan.
  • Hashimoto J; National Astronomical Observatory of Japan, 2-21-1, Osawa, Mitaka, Tokyo 181-8588, Japan.
  • Tamura M; Astrobiology Center of NINS, 2-21-1, Osawa, Mitaka, Tokyo, 181-8588, Japan.
  • Wisniewski J; National Astronomical Observatory of Japan, 2-21-1, Osawa, Mitaka, Tokyo 181-8588, Japan.
  • Akiyama E; Astrobiology Center of NINS, 2-21-1, Osawa, Mitaka, Tokyo, 181-8588, Japan.
  • Currie T; Department of Astronomy, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
  • Mayama S; H. L. Dodge Department of Physics & Astronomy, University of Oklahoma, 440 W Brooks St., Norman, OK 73019, USA.
  • Takami M; National Astronomical Observatory of Japan, 2-21-1, Osawa, Mitaka, Tokyo 181-8588, Japan.
  • Thalmann C; Subaru Telescope, National Astronomical Observatory of Japan, 650 North A'ohoku Place, Hilo, HI 96720, USA.
  • Kudo T; The Center for the Promotion of Integrated Sciences, The Graduate University for Advanced Studies (SOKENDAI), Shonan International Village, Hayama-cho, Miura-gun, Kanagawa 240-0193, Japan.
  • Kusakabe N; Institute of Astronomy and Astrophysics, Academia Sinica, P.O. Box 23-141, Taipei 10617, Taiwan.
  • Abe L; Swiss Federal Institute of Technology (ETH Zurich), Institute for Astronomy, Wolfgang-Pauli-Strasse 27, CH-8093 Zurich, Switzerland.
  • Brandner W; Subaru Telescope, National Astronomical Observatory of Japan, 650 North A'ohoku Place, Hilo, HI 96720, USA.
  • Brandt TD; Astrobiology Center of NINS, 2-21-1, Osawa, Mitaka, Tokyo, 181-8588, Japan.
  • Carson JC; Laboratoire Lagrange (UMR 7293), Universite de Nice-Sophia Antipolis, CNRS, Observatoire de la Côte d'Azur, 28 Avenue Valrose, 06108 Nice Cedex 2, France.
  • Egner S; Max Planck Institute for Astronomy, Köonigstuhl 17, 69117 Heidelberg, Germany.
  • Feldt M; Astrophysics Department, Institute for Advanced Study, Princeton, NJ 08540, USA.
  • Goto M; Department of Physics and Astronomy, College of Charleston, 58 Coming St., Charleston, SC 29424, USA.
  • Grady CA; Subaru Telescope, National Astronomical Observatory of Japan, 650 North A'ohoku Place, Hilo, HI 96720, USA.
  • Guyon O; Astrophysics Department, Institute for Advanced Study, Princeton, NJ 08540, USA.
  • Hayano Y; Universitats-Sternwarte Munchen, Ludwig-Maximilians-Universitat, Scheinerstr. 1, D-81679 Munchen, Germany.
  • Hayashi M; Exoplanets and Stellar Astrophysics Laboratory, Code 667, Goddard Space Flight Center, Greenbelt, MD 20771, USA.
  • Hayashi SS; Eureka Scientific, 2452 Delmer, Suite 100, Oakland, CA 96002, USA.
  • Henning T; Goddard Center for Astrobiology, Goddard Space Flight Center, Greenbelt, MD 20771, USA.
  • Hodapp KW; Subaru Telescope, National Astronomical Observatory of Japan, 650 North A'ohoku Place, Hilo, HI 96720, USA.
  • Ishii M; Department of Astronomical Science, The Graduate University for Advanced Studies (SOKENDAI), 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan.
  • Iye M; National Astronomical Observatory of Japan, 2-21-1, Osawa, Mitaka, Tokyo 181-8588, Japan.
  • Janson M; Astrobiology Center of NINS, 2-21-1, Osawa, Mitaka, Tokyo, 181-8588, Japan.
  • Kandori R; Department of Astronomy, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
  • Knapp GR; H. L. Dodge Department of Physics & Astronomy, University of Oklahoma, 440 W Brooks St., Norman, OK 73019, USA.
  • Kuzuhara M; Subaru Telescope, National Astronomical Observatory of Japan, 650 North A'ohoku Place, Hilo, HI 96720, USA.
  • Kwon J; The Center for the Promotion of Integrated Sciences, The Graduate University for Advanced Studies (SOKENDAI), Shonan International Village, Hayama-cho, Miura-gun, Kanagawa 240-0193, Japan.
  • Matsuo T; Institute of Astronomy and Astrophysics, Academia Sinica, P.O. Box 23-141, Taipei 10617, Taiwan.
  • McElwain MW; Swiss Federal Institute of Technology (ETH Zurich), Institute for Astronomy, Wolfgang-Pauli-Strasse 27, CH-8093 Zurich, Switzerland.
  • Miyama S; Laboratoire Lagrange (UMR 7293), Universite de Nice-Sophia Antipolis, CNRS, Observatoire de la Côte d'Azur, 28 Avenue Valrose, 06108 Nice Cedex 2, France.
  • Morino JI; Max Planck Institute for Astronomy, Köonigstuhl 17, 69117 Heidelberg, Germany.
  • Moro-Martin A; Astrophysics Department, Institute for Advanced Study, Princeton, NJ 08540, USA.
  • Nishimura T; Department of Physics and Astronomy, College of Charleston, 58 Coming St., Charleston, SC 29424, USA.
  • Pyo TS; Universitats-Sternwarte Munchen, Ludwig-Maximilians-Universitat, Scheinerstr. 1, D-81679 Munchen, Germany.
  • Serabyn E; Exoplanets and Stellar Astrophysics Laboratory, Code 667, Goddard Space Flight Center, Greenbelt, MD 20771, USA.
  • Suenaga T; Eureka Scientific, 2452 Delmer, Suite 100, Oakland, CA 96002, USA.
  • Suto H; Goddard Center for Astrobiology, Goddard Space Flight Center, Greenbelt, MD 20771, USA.
  • Suzuki R; Institute for Astronomy, University of Hawaii, 640 N. A'ohoku Place, Hilo, HI 96720, USA.
  • Takahashi YH; Department of Astrophysical Science, Princeton University, Peyton Hall, Ivy Lane, Princeton, NJ 08544, USA.
  • Takato N; Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8551, Japan.
  • Terada H; Department of Astronomy, Kyoto University, Kitashirakawa-Oiwake-cho, Sakyo-ku, Kyoto, Kyoto 606-8502, Japan.
  • Turner EL; Hiroshima University, 1-3-2 Kagamiyama, Higashihiroshima, Hiroshima 739-8511, Japan.
  • Watanabe M; Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA.
  • Yamada T; Center for Astrophysical Sciences, Johns Hopkins University, Baltimore, MD 21218, USA.
  • Takami H; Kavli Institute for Physics and Mathematics of the Universe, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8568, Japan.
Publ Astron Soc Jpn Nihon Tenmon Gakkai ; 68(2)2016 Apr.
Article en En | MEDLINE | ID: mdl-32848256
ABSTRACT
We present high-contrast H-band polarized intensity images of the transitional disk around the young solar-like star LkCa 15. By utilizing Subaru/HiCIAO for polarimetric differential imaging, the angular resolution and the inner working angle reach 0.07 and r = 0″.1, respectively. We obtained a clearly resolved gap (width ≲ 27 au) at ~48 au from the central star. This gap is consistent with images reported in previous studies. We also confirmed the existence of a bright inner disk with a misaligned position angle of 13° ±4° with respect to that of the outer disk, i.e., the inner disk is possibly warped. The large gap and the warped inner disk both point to the existence of a multiple planetary system with a mass of ≲ 1 M Jup.
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Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Idioma: En Revista: Publ Astron Soc Jpn Nihon Tenmon Gakkai Año: 2016 Tipo del documento: Article País de afiliación: Japón
Texto completo
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Idioma: En Revista: Publ Astron Soc Jpn Nihon Tenmon Gakkai Año: 2016 Tipo del documento: Article País de afiliación: Japón