NEAR-INFRARED IMAGING POLARIMETRY of INNER REGION of GG TAU A DISK

Yi Yang, Jun Hashimoto, Saeko S. Hayashi, Motohide Tamura, Satoshi Mayama, Roman Rafikov, Eiji Akiyama, Joseph C. Carson, Markus Janson, Jungmi Kwon, Jerome De Leon, Daehyeon Oh, Michihiro Takami, Ya Wen Tang, Tomoyuki Kudo, Nobuhiko Kusakabe, Lyu Abe, Wolfgang Brandner, Timothy D. Brandt, Sebastian EgnerMarkus Feldt, Miwa Goto, Carol A. Grady, Olivier Guyon, Yutaka Hayano, Masahiko Hayashi, Thomas Henning, Klaus W. Hodapp, Miki Ishii, Masanori Iye, Ryo Kandori, Gillian R. Knapp, Masayuki Kuzuhara, Taro Matsuo, Michael W. McElwain, Shoken Miyama, Jun Ichi Morino, Amaya Moro-Martin, Tetsuo Nishimura, Tae Soo Pyo, Eugene Serabyn, Takuya Suenaga, Hiroshi Suto, Ryuji Suzuki, Yasuhiro H. Takahashi, Naruhisa Takato, Hiroshi Terada, Christian Thalmann, Edwin L. Turner, Makoto Watanabe, John Wisniewski, Toru Yamada, Hideki Takami, Tomonori Usuda

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

By performing non-masked polarization imaging with Subaru/HiCIAO, polarized scattered light from the inner region of the disk around the GG Tau A system was successfully detected in the H band, with a spatial resolution of approximately 0.″07, revealing the complicated inner disk structures around this young binary. This paper reports the observation of an arc-like structure to the north of GG Tau Ab, and part of a circumstellar structure that is noticeable around GG Tau Aa, extending to a distance of approximately 28 au from the primary star. The speckle noise around GG Tau Ab constrains its disk radius to au. Based on the size of the circumbinary ring and the circumstellar disk around GG Tau Aa, the semimajor axis of the binary's orbit is likely to be 62 au. A comparison of the present observations with previous Atacama Large Millimeter Array and near-infrared H2 emission observations suggests that the north arc could be part of a large streamer flowing from the circumbinary ring to sustain the circumstellar disks. According to the previous studies, the circumstellar disk around GG Tau Aa has enough mass and can sustain itself for a duration sufficient for planet formation; thus, our study indicates that planets can form within close (separation ≲ 100 au) young binary systems.

Original languageEnglish (US)
Article number7
JournalAstronomical Journal
Volume153
Issue number1
DOIs
StatePublished - Jan 1 2017
Externally publishedYes

Fingerprint

polarimetry
near infrared
planet
speckle
spatial resolution
polarization
planets
arcs
rings
polarized light
young
orbits
stars
radii
comparison

Keywords

  • binaries: close
  • planets and satellites: formation
  • protoplanetary disks
  • stars: pre-main sequence

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Yang, Y., Hashimoto, J., Hayashi, S. S., Tamura, M., Mayama, S., Rafikov, R., ... Usuda, T. (2017). NEAR-INFRARED IMAGING POLARIMETRY of INNER REGION of GG TAU A DISK. Astronomical Journal, 153(1), [7]. https://doi.org/10.3847/1538-3881/153/1/7

NEAR-INFRARED IMAGING POLARIMETRY of INNER REGION of GG TAU A DISK. / Yang, Yi; Hashimoto, Jun; Hayashi, Saeko S.; Tamura, Motohide; Mayama, Satoshi; Rafikov, Roman; Akiyama, Eiji; Carson, Joseph C.; Janson, Markus; Kwon, Jungmi; De Leon, Jerome; Oh, Daehyeon; Takami, Michihiro; Tang, Ya Wen; Kudo, Tomoyuki; Kusakabe, Nobuhiko; Abe, Lyu; Brandner, Wolfgang; Brandt, Timothy D.; Egner, Sebastian; Feldt, Markus; Goto, Miwa; Grady, Carol A.; Guyon, Olivier; Hayano, Yutaka; Hayashi, Masahiko; Henning, Thomas; Hodapp, Klaus W.; Ishii, Miki; Iye, Masanori; Kandori, Ryo; Knapp, Gillian R.; Kuzuhara, Masayuki; 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; Thalmann, Christian; Turner, Edwin L.; Watanabe, Makoto; Wisniewski, John; Yamada, Toru; Takami, Hideki; Usuda, Tomonori.

In: Astronomical Journal, Vol. 153, No. 1, 7, 01.01.2017.

Research output: Contribution to journalArticle

Yang, Y, Hashimoto, J, Hayashi, SS, Tamura, M, Mayama, S, Rafikov, R, Akiyama, E, Carson, JC, Janson, M, Kwon, J, De Leon, J, Oh, D, Takami, M, Tang, YW, Kudo, T, Kusakabe, N, Abe, L, Brandner, W, Brandt, TD, Egner, S, Feldt, M, Goto, M, Grady, CA, Guyon, O, Hayano, Y, Hayashi, M, Henning, T, Hodapp, KW, Ishii, M, Iye, M, Kandori, R, Knapp, GR, Kuzuhara, M, Matsuo, T, McElwain, MW, Miyama, S, Morino, JI, Moro-Martin, A, Nishimura, T, Pyo, TS, Serabyn, E, Suenaga, T, Suto, H, Suzuki, R, Takahashi, YH, Takato, N, Terada, H, Thalmann, C, Turner, EL, Watanabe, M, Wisniewski, J, Yamada, T, Takami, H & Usuda, T 2017, 'NEAR-INFRARED IMAGING POLARIMETRY of INNER REGION of GG TAU A DISK', Astronomical Journal, vol. 153, no. 1, 7. https://doi.org/10.3847/1538-3881/153/1/7
Yang Y, Hashimoto J, Hayashi SS, Tamura M, Mayama S, Rafikov R et al. NEAR-INFRARED IMAGING POLARIMETRY of INNER REGION of GG TAU A DISK. Astronomical Journal. 2017 Jan 1;153(1). 7. https://doi.org/10.3847/1538-3881/153/1/7
Yang, Yi ; Hashimoto, Jun ; Hayashi, Saeko S. ; Tamura, Motohide ; Mayama, Satoshi ; Rafikov, Roman ; Akiyama, Eiji ; Carson, Joseph C. ; Janson, Markus ; Kwon, Jungmi ; De Leon, Jerome ; Oh, Daehyeon ; Takami, Michihiro ; Tang, Ya Wen ; Kudo, Tomoyuki ; Kusakabe, Nobuhiko ; Abe, Lyu ; Brandner, Wolfgang ; Brandt, Timothy D. ; Egner, Sebastian ; Feldt, Markus ; Goto, Miwa ; Grady, Carol A. ; Guyon, Olivier ; Hayano, Yutaka ; Hayashi, Masahiko ; Henning, Thomas ; Hodapp, Klaus W. ; Ishii, Miki ; Iye, Masanori ; Kandori, Ryo ; Knapp, Gillian R. ; Kuzuhara, Masayuki ; 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 ; Thalmann, Christian ; Turner, Edwin L. ; Watanabe, Makoto ; Wisniewski, John ; Yamada, Toru ; Takami, Hideki ; Usuda, Tomonori. / NEAR-INFRARED IMAGING POLARIMETRY of INNER REGION of GG TAU A DISK. In: Astronomical Journal. 2017 ; Vol. 153, No. 1.
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abstract = "By performing non-masked polarization imaging with Subaru/HiCIAO, polarized scattered light from the inner region of the disk around the GG Tau A system was successfully detected in the H band, with a spatial resolution of approximately 0.″07, revealing the complicated inner disk structures around this young binary. This paper reports the observation of an arc-like structure to the north of GG Tau Ab, and part of a circumstellar structure that is noticeable around GG Tau Aa, extending to a distance of approximately 28 au from the primary star. The speckle noise around GG Tau Ab constrains its disk radius to au. Based on the size of the circumbinary ring and the circumstellar disk around GG Tau Aa, the semimajor axis of the binary's orbit is likely to be 62 au. A comparison of the present observations with previous Atacama Large Millimeter Array and near-infrared H2 emission observations suggests that the north arc could be part of a large streamer flowing from the circumbinary ring to sustain the circumstellar disks. According to the previous studies, the circumstellar disk around GG Tau Aa has enough mass and can sustain itself for a duration sufficient for planet formation; thus, our study indicates that planets can form within close (separation ≲ 100 au) young binary systems.",
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AU - Hashimoto, Jun

AU - Hayashi, Saeko S.

AU - Tamura, Motohide

AU - Mayama, Satoshi

AU - Rafikov, Roman

AU - Akiyama, Eiji

AU - Carson, Joseph C.

AU - Janson, Markus

AU - Kwon, Jungmi

AU - De Leon, Jerome

AU - Oh, Daehyeon

AU - Takami, Michihiro

AU - Tang, Ya Wen

AU - Kudo, Tomoyuki

AU - Kusakabe, Nobuhiko

AU - Abe, Lyu

AU - Brandner, Wolfgang

AU - Brandt, Timothy D.

AU - Egner, Sebastian

AU - Feldt, Markus

AU - Goto, Miwa

AU - Grady, Carol A.

AU - Guyon, Olivier

AU - Hayano, Yutaka

AU - Hayashi, Masahiko

AU - Henning, Thomas

AU - Hodapp, Klaus W.

AU - Ishii, Miki

AU - Iye, Masanori

AU - Kandori, Ryo

AU - Knapp, Gillian R.

AU - Kuzuhara, Masayuki

AU - Matsuo, Taro

AU - McElwain, Michael W.

AU - Miyama, Shoken

AU - Morino, Jun Ichi

AU - Moro-Martin, Amaya

AU - Nishimura, Tetsuo

AU - Pyo, Tae Soo

AU - Serabyn, Eugene

AU - Suenaga, Takuya

AU - Suto, Hiroshi

AU - Suzuki, Ryuji

AU - Takahashi, Yasuhiro H.

AU - Takato, Naruhisa

AU - Terada, Hiroshi

AU - Thalmann, Christian

AU - Turner, Edwin L.

AU - Watanabe, Makoto

AU - Wisniewski, John

AU - Yamada, Toru

AU - Takami, Hideki

AU - Usuda, Tomonori

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AB - By performing non-masked polarization imaging with Subaru/HiCIAO, polarized scattered light from the inner region of the disk around the GG Tau A system was successfully detected in the H band, with a spatial resolution of approximately 0.″07, revealing the complicated inner disk structures around this young binary. This paper reports the observation of an arc-like structure to the north of GG Tau Ab, and part of a circumstellar structure that is noticeable around GG Tau Aa, extending to a distance of approximately 28 au from the primary star. The speckle noise around GG Tau Ab constrains its disk radius to au. Based on the size of the circumbinary ring and the circumstellar disk around GG Tau Aa, the semimajor axis of the binary's orbit is likely to be 62 au. A comparison of the present observations with previous Atacama Large Millimeter Array and near-infrared H2 emission observations suggests that the north arc could be part of a large streamer flowing from the circumbinary ring to sustain the circumstellar disks. According to the previous studies, the circumstellar disk around GG Tau Aa has enough mass and can sustain itself for a duration sufficient for planet formation; thus, our study indicates that planets can form within close (separation ≲ 100 au) young binary systems.

KW - binaries: close

KW - planets and satellites: formation

KW - protoplanetary disks

KW - stars: pre-main sequence

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