Seeds adaptive optics imaging of the asymmetric transition disk oph irs 48 in scattered light

Katherine B. Follette; Carol A. Grady; Jeremy R. Swearingen; Michael L. Sitko; Elizabeth H. Champney; Nienke Van Der Marel; Michihiro Takami; Marc J. Kuchner; Laird M. Close; Takayuki Muto; Satoshi Mayama; Michael W. McElwain; Misato Fukagawa; Koen Maaskant; Michiel Min; Ray W. Russell; Tomoyuki Kudo; Nobuhiko Kusakabe; Jun Hashimoto; Lyu Abe; Eiji Akiyama; Wolfgang Brandner; Timothy D. Brandt; Joseph Carson; Thayne Currie; Sebastian E. Egner; Markus Feldt; Miwa Goto; Olivier Guyon; Yutaka Hayano; Masahiko Hayashi; Saeko Hayashi; Thomas Henning; Klaus Hodapp; Miki Ishii; Masanori Iye; Markus Janson; Ryo Kandori; Gillian R. Knapp; Masayuki Kuzuhara; Jungmi Kwon; Taro Matsuo; Shoken Miyama; Jun Ichi Morino; Amaya Moro-Martin; Tetsuo Nishimura; Tae Soo Pyo; Eugene Serabyn; Takuya Suenaga; Hiroshi Suto; Ryuji Suzuki; Yasuhiro Takahashi; Naruhisa Takato; Hiroshi Terada; Christian Thalmann; Daigo Tomono; Edwin L. Turner; Makoto Watanabe; John P. Wisniewski; Toru Yamada; Hideki Takami; Tomonori Usuda; Motohide Tamura

doi:10.1088/0004-637X/798/2/132

Seeds adaptive optics imaging of the asymmetric transition disk oph irs 48 in scattered light

Katherine B. Follette, Carol A. Grady, Jeremy R. Swearingen, Michael L. Sitko, Elizabeth H. Champney, Nienke Van Der Marel, Michihiro Takami, Marc J. Kuchner, Laird M. Close, Takayuki Muto, Satoshi Mayama, Michael W. McElwain, Misato Fukagawa, Koen Maaskant, Michiel Min, Ray W. Russell, Tomoyuki Kudo, Nobuhiko Kusakabe, Jun Hashimoto, Lyu AbeEiji Akiyama, Wolfgang Brandner, Timothy D. Brandt, Joseph Carson, Thayne Currie, Sebastian E. Egner, Markus Feldt, Miwa Goto, Olivier Guyon, Yutaka Hayano, Masahiko Hayashi, Saeko Hayashi, Thomas Henning, Klaus Hodapp, Miki Ishii, Masanori Iye, Markus Janson, Ryo Kandori, Gillian R. Knapp, Masayuki Kuzuhara, Jungmi Kwon, Taro Matsuo, Shoken Miyama, Jun Ichi Morino, Amaya Moro-Martin, Tetsuo Nishimura, Tae Soo Pyo, Eugene Serabyn, Takuya Suenaga, Hiroshi Suto, Ryuji Suzuki, Yasuhiro Takahashi, Naruhisa Takato, Hiroshi Terada, Christian Thalmann, Daigo Tomono, Edwin L. Turner, Makoto Watanabe, John P. Wisniewski, Toru Yamada, Hideki Takami, Tomonori Usuda, Motohide Tamura

Astrophysical Sciences

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Abstract

We present the first resolved near-infrared imagery of the transition disk Oph IRS 48 (WLY 2-48), which was recently observed with ALMA to have a strongly asymmetric submillimeter flux distribution. H-band polarized intensity images show a 60 AU radius scattered light cavity with two pronounced arcs of emission, one from northeast to southeast and one smaller, fainter, and more distant arc in the northwest. K-band scattered light imagery reveals a similar morphology, but with a clear third arc along the southwestern rim of the disk cavity. This arc meets the northwestern arc at nearly a right angle, revealing the presence of a spiral arm or local surface brightness deficit in the disk, and explaining the east-west brightness asymmetry in the H-band data. We also present 0.8-5.4 μm IRTF SpeX spectra of this object, which allow us to constrain the spectral class to A0 ± 1 and measure a low mass accretion rate of 10^-8.5 M_⊙yr^-1, both consistent with previous estimates. We investigate a variety of reddening laws in order to fit the multiwavelength spectral energy distribution of Oph IRS 48 and find a best fit consistent with a younger, higher luminosity star than previous estimates.

Original language	English (US)
Article number	132
Journal	Astrophysical Journal
Volume	798
Issue number	2
DOIs	https://doi.org/10.1088/0004-637X/798/2/132
State	Published - Jan 10 2015

All Science Journal Classification (ASJC) codes

Astronomy and Astrophysics
Space and Planetary Science

Keywords

instrumentation: adaptive optics
instrumentation: polarimeters
planets and satellites: formation
protoplanetary disks

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10.1088/0004-637X/798/2/132

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Follette, K. B., Grady, C. A., Swearingen, J. R., Sitko, M. L., Champney, E. H., Van Der Marel, N., Takami, M., Kuchner, M. J., Close, L. M., Muto, T., Mayama, S., McElwain, M. W., Fukagawa, M., Maaskant, K., Min, M., Russell, R. W., Kudo, T., Kusakabe, N., Hashimoto, J., ... Tamura, M. (2015). Seeds adaptive optics imaging of the asymmetric transition disk oph irs 48 in scattered light. Astrophysical Journal, 798(2), Article 132. https://doi.org/10.1088/0004-637X/798/2/132

@article{691dfad0f9004206811398829cbc6e0c,

title = "Seeds adaptive optics imaging of the asymmetric transition disk oph irs 48 in scattered light",

abstract = "We present the first resolved near-infrared imagery of the transition disk Oph IRS 48 (WLY 2-48), which was recently observed with ALMA to have a strongly asymmetric submillimeter flux distribution. H-band polarized intensity images show a 60 AU radius scattered light cavity with two pronounced arcs of emission, one from northeast to southeast and one smaller, fainter, and more distant arc in the northwest. K-band scattered light imagery reveals a similar morphology, but with a clear third arc along the southwestern rim of the disk cavity. This arc meets the northwestern arc at nearly a right angle, revealing the presence of a spiral arm or local surface brightness deficit in the disk, and explaining the east-west brightness asymmetry in the H-band data. We also present 0.8-5.4 μm IRTF SpeX spectra of this object, which allow us to constrain the spectral class to A0 ± 1 and measure a low mass accretion rate of 10-8.5 M⊙yr-1, both consistent with previous estimates. We investigate a variety of reddening laws in order to fit the multiwavelength spectral energy distribution of Oph IRS 48 and find a best fit consistent with a younger, higher luminosity star than previous estimates.",

keywords = "instrumentation: adaptive optics, instrumentation: polarimeters, planets and satellites: formation, protoplanetary disks",

author = "Follette, {Katherine B.} and Grady, {Carol A.} and Swearingen, {Jeremy R.} and Sitko, {Michael L.} and Champney, {Elizabeth H.} and {Van Der Marel}, Nienke and Michihiro Takami and Kuchner, {Marc J.} and Close, {Laird M.} and Takayuki Muto and Satoshi Mayama and McElwain, {Michael W.} and Misato Fukagawa and Koen Maaskant and Michiel Min and Russell, {Ray W.} and Tomoyuki Kudo and Nobuhiko Kusakabe and Jun Hashimoto and Lyu Abe and Eiji Akiyama and Wolfgang Brandner and Brandt, {Timothy D.} and Joseph Carson and Thayne Currie and Egner, {Sebastian E.} and Markus Feldt and Miwa Goto and Olivier Guyon and Yutaka Hayano and Masahiko Hayashi and Saeko Hayashi and Thomas Henning and Klaus Hodapp and Miki Ishii and Masanori Iye and Markus Janson and Ryo Kandori and Knapp, {Gillian R.} and Masayuki Kuzuhara and Jungmi Kwon and Taro Matsuo and Shoken Miyama and Morino, {Jun Ichi} and Amaya Moro-Martin and Tetsuo Nishimura and Pyo, {Tae Soo} and Eugene Serabyn and Takuya Suenaga and Hiroshi Suto and Ryuji Suzuki and Yasuhiro Takahashi and Naruhisa Takato and Hiroshi Terada and Christian Thalmann and Daigo Tomono and Turner, {Edwin L.} and Makoto Watanabe and Wisniewski, {John P.} and Toru Yamada and Hideki Takami and Tomonori Usuda and Motohide Tamura",

year = "2015",

month = jan,

day = "10",

doi = "10.1088/0004-637X/798/2/132",

language = "English (US)",

volume = "798",

journal = "Astrophysical Journal",

issn = "0004-637X",

publisher = "IOP Publishing Ltd.",

number = "2",

}

Follette, KB, Grady, CA, Swearingen, JR, Sitko, ML, Champney, EH, Van Der Marel, N, Takami, M, Kuchner, MJ, Close, LM, Muto, T, Mayama, S, McElwain, MW, Fukagawa, M, Maaskant, K, Min, M, Russell, RW, Kudo, T, Kusakabe, N, Hashimoto, J, Abe, L, Akiyama, E, Brandner, W, Brandt, TD, Carson, J, Currie, T, Egner, SE, Feldt, M, Goto, M, Guyon, O, Hayano, Y, Hayashi, M, Hayashi, S, Henning, T, Hodapp, K, Ishii, M, Iye, M, Janson, M, Kandori, R, Knapp, GR, Kuzuhara, M, Kwon, J, Matsuo, T, Miyama, S, Morino, JI, Moro-Martin, A, Nishimura, T, Pyo, TS, Serabyn, E, Suenaga, T, Suto, H, Suzuki, R, Takahashi, Y, Takato, N, Terada, H, Thalmann, C, Tomono, D, Turner, EL, Watanabe, M, Wisniewski, JP, Yamada, T, Takami, H, Usuda, T & Tamura, M 2015, 'Seeds adaptive optics imaging of the asymmetric transition disk oph irs 48 in scattered light', Astrophysical Journal, vol. 798, no. 2, 132. https://doi.org/10.1088/0004-637X/798/2/132

TY - JOUR

T1 - Seeds adaptive optics imaging of the asymmetric transition disk oph irs 48 in scattered light

AU - Follette, Katherine B.

AU - Grady, Carol A.

AU - Swearingen, Jeremy R.

AU - Sitko, Michael L.

AU - Champney, Elizabeth H.

AU - Van Der Marel, Nienke

AU - Takami, Michihiro

AU - Kuchner, Marc J.

AU - Close, Laird M.

AU - Muto, Takayuki

AU - Mayama, Satoshi

AU - McElwain, Michael W.

AU - Fukagawa, Misato

AU - Maaskant, Koen

AU - Min, Michiel

AU - Russell, Ray W.

AU - Kudo, Tomoyuki

AU - Kusakabe, Nobuhiko

AU - Hashimoto, Jun

AU - Abe, Lyu

AU - Akiyama, Eiji

AU - Brandner, Wolfgang

AU - Brandt, Timothy D.

AU - Carson, Joseph

AU - Currie, Thayne

AU - Egner, Sebastian E.

AU - Feldt, Markus

AU - Goto, Miwa

AU - Guyon, Olivier

AU - Hayano, Yutaka

AU - Hayashi, Masahiko

AU - Hayashi, Saeko

AU - Henning, Thomas

AU - Hodapp, Klaus

AU - Ishii, Miki

AU - Iye, Masanori

AU - Janson, Markus

AU - Kandori, Ryo

AU - Knapp, Gillian R.

AU - Kuzuhara, Masayuki

AU - Kwon, Jungmi

AU - Matsuo, Taro

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

AU - Takato, Naruhisa

AU - Terada, Hiroshi

AU - Thalmann, Christian

AU - Tomono, Daigo

AU - Turner, Edwin L.

AU - Watanabe, Makoto

AU - Wisniewski, John P.

AU - Yamada, Toru

AU - Takami, Hideki

AU - Usuda, Tomonori

AU - Tamura, Motohide

PY - 2015/1/10

Y1 - 2015/1/10

N2 - We present the first resolved near-infrared imagery of the transition disk Oph IRS 48 (WLY 2-48), which was recently observed with ALMA to have a strongly asymmetric submillimeter flux distribution. H-band polarized intensity images show a 60 AU radius scattered light cavity with two pronounced arcs of emission, one from northeast to southeast and one smaller, fainter, and more distant arc in the northwest. K-band scattered light imagery reveals a similar morphology, but with a clear third arc along the southwestern rim of the disk cavity. This arc meets the northwestern arc at nearly a right angle, revealing the presence of a spiral arm or local surface brightness deficit in the disk, and explaining the east-west brightness asymmetry in the H-band data. We also present 0.8-5.4 μm IRTF SpeX spectra of this object, which allow us to constrain the spectral class to A0 ± 1 and measure a low mass accretion rate of 10-8.5 M⊙yr-1, both consistent with previous estimates. We investigate a variety of reddening laws in order to fit the multiwavelength spectral energy distribution of Oph IRS 48 and find a best fit consistent with a younger, higher luminosity star than previous estimates.

AB - We present the first resolved near-infrared imagery of the transition disk Oph IRS 48 (WLY 2-48), which was recently observed with ALMA to have a strongly asymmetric submillimeter flux distribution. H-band polarized intensity images show a 60 AU radius scattered light cavity with two pronounced arcs of emission, one from northeast to southeast and one smaller, fainter, and more distant arc in the northwest. K-band scattered light imagery reveals a similar morphology, but with a clear third arc along the southwestern rim of the disk cavity. This arc meets the northwestern arc at nearly a right angle, revealing the presence of a spiral arm or local surface brightness deficit in the disk, and explaining the east-west brightness asymmetry in the H-band data. We also present 0.8-5.4 μm IRTF SpeX spectra of this object, which allow us to constrain the spectral class to A0 ± 1 and measure a low mass accretion rate of 10-8.5 M⊙yr-1, both consistent with previous estimates. We investigate a variety of reddening laws in order to fit the multiwavelength spectral energy distribution of Oph IRS 48 and find a best fit consistent with a younger, higher luminosity star than previous estimates.

KW - instrumentation: adaptive optics

KW - instrumentation: polarimeters

KW - planets and satellites: formation

KW - protoplanetary disks

UR - http://www.scopus.com/inward/record.url?scp=84924256807&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84924256807&partnerID=8YFLogxK

U2 - 10.1088/0004-637X/798/2/132

DO - 10.1088/0004-637X/798/2/132

M3 - Article

AN - SCOPUS:84924256807

SN - 0004-637X

VL - 798

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 2

M1 - 132

ER -

Seeds adaptive optics imaging of the asymmetric transition disk oph irs 48 in scattered light

Abstract

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Keywords

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