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Multi-epoch Direct Imaging and Time-variable Scattered Light Morphology of the HD 163296 Protoplanetary Disk
- Article/chapterEnglish2019
Publisher, publication year, extent ...
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2019-04-12
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American Astronomical Society,2019
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printrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:su-168338
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https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-168338URI
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https://doi.org/10.3847/1538-4357/ab0f3bDOI
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 present H-band polarized scattered light imagery and JHK high-contrast spectroscopy of the protoplanetary disk around HD 163296 observed with the High-Contrast Coronographic Imager for Adaptive Optics (HiCIAO) and Subaru Coronagraphic Extreme Adaptive Optics (SCExAO)/Coronagraphic High Angular Resolution Imaging Spectrograph (CHARTS) instruments at Subaru Observatory. The polarimetric imagery resolve a broken ring structure surrounding HD 163296 that peaks at a distance along the major axis of 0 ''.65 (66 au) and extends out to 0 ''.98 (100 au) along the major axis. Our 2011 H-band data exhibit clear axisymmetry, with the NW and SE side of the disk exhibiting similar intensities. Our data are clearly different from 2016 epoch H-band observations of the Very Large Telescope (VLT)/Spectro-Polarimetric High-contrast Exoplanet REsearch (SPHERE), which found a strong 2.7 x asymmetry between the NW and SE side of the disk. Collectively, these results indicate the presence of time-variable, non-azimuthally symmetric illumination of the outer disk. While our SCExAO/CHARIS data are sensitive enough to recover the planet candidate identified from NIRC2 in the thermal infrared (IR), we fail to detect an object with JHK brightness nominally consistent with this object. This suggests that the candidate is either fainter in JHK bands than model predictions, possibly due to extinction from the disk or atmospheric dust/clouds, or that it is an artifact of the data set/data processing, such as a residual speckle or partially subtracted disk feature. Assuming standard hot-start evolutionary models and a system age of 5 Myr, we set new, direct mass limits for the inner (outer) Atacama Large Millimeter/submillimeter Array (ALMA)-predicted protoplanet candidate along the major (minor) disk axis of of 1.5 (2) M-J.
Subject headings and genre
Added entries (persons, corporate bodies, meetings, titles ...)
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Wisniewski, John P.
(author)
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Currie, Thayne
(author)
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Fukagawa, Misato
(author)
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Grady, Carol A.
(author)
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Sitko, Michael L.
(author)
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Pikhartova, Monika
(author)
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Hashimoto, Jun
(author)
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Abe, Lyu
(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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Chilcote, Jeffrey
(author)
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Dong, Ruobing
(author)
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Feldt, Markus
(author)
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Goto, Miwa
(author)
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Groff, Tyler
(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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Jovanovic, Nemanja
(author)
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Kandori, Ryo
(author)
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Kasdin, Jeremy
(author)
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Knapp, Gillian R.
(author)
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Kudo, Tomoyuki
(author)
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Kusakabe, Nobuhiko
(author)
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Kuzuhara, Masayuki
(author)
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Kwon, Jungmi
(author)
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Lozi, Julien
(author)
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Martinache, Frantz
(author)
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Matsuo, Taro
(author)
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Mayama, Satoshi
(author)
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McElwain, Michael W.
(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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Nakagawa, Takao
(author)
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Nishimura, Tetsuo
(author)
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Pyo, Tae-Soo
(author)
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Serabyn, Eugene
(author)
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Suto, Hiroshi
(author)
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Russel, Ray W.
(author)
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Suzuki, Ryuji
(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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Uyama, Taichi
(author)
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Wagner, Kevin R.
(author)
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Watanabe, Makoto
(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:Astrophysical Journal: American Astronomical Society875:10004-637X1538-4357
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Rich, Evan A.
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Wisniewski, John ...
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Currie, Thayne
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Fukagawa, Misato
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Grady, Carol A.
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Sitko, Michael L ...
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Pikhartova, Moni ...
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Hashimoto, Jun
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Abe, Lyu
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Brandner, Wolfga ...
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Brandt, Timothy ...
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Carson, Joseph C ...
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Chilcote, Jeffre ...
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Dong, Ruobing
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Feldt, Markus
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Goto, Miwa
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Groff, Tyler
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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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Jovanovic, Neman ...
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Kandori, Ryo
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Kasdin, Jeremy
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Knapp, Gillian R ...
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Kudo, Tomoyuki
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Kusakabe, Nobuhi ...
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Kuzuhara, Masayu ...
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Kwon, Jungmi
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Lozi, Julien
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Martinache, Fran ...
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Matsuo, Taro
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Mayama, Satoshi
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McElwain, Michae ...
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Miyama, Shoken
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Morino, Jun-Ichi
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Moro-Martin, Ama ...
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Nakagawa, Takao
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Nishimura, Tetsu ...
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Pyo, Tae-Soo
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Serabyn, Eugene
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Suto, Hiroshi
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Russel, Ray W.
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Suzuki, Ryuji
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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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Uyama, Taichi
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Wagner, Kevin R.
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Watanabe, Makoto
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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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Stockholm University