Multi-epoch Direct Imaging and Time-variable Scattered Light Morphology of the HD 163296 Protoplanetary Disk

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Fältnamn	Indikatorer	Metadata
000		05473naa a2201045 4500
001		oai:DiVA.org:su-168338
003		SwePub
008		190513s2019 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-1683382 URI
024	7	a https://doi.org/10.3847/1538-4357/ab0f3b2 DOI
040		a (SwePub)su
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Rich, Evan A.4 aut
245	1 0	a Multi-epoch Direct Imaging and Time-variable Scattered Light Morphology of the HD 163296 Protoplanetary Disk
264		c 2019-04-12
264	1	b American Astronomical Society,c 2019
338		a print2 rdacarrier
520		a 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.
650	7	a NATURVETENSKAPx Fysik0 (SwePub)1032 hsv//swe
650	7	a NATURAL SCIENCESx Physical Sciences0 (SwePub)1032 hsv//eng
653		a planets and satellites: detection
653		a protoplanetary disks
700	1	a Wisniewski, John P.4 aut
700	1	a Currie, Thayne4 aut
700	1	a Fukagawa, Misato4 aut
700	1	a Grady, Carol A.4 aut
700	1	a Sitko, Michael L.4 aut
700	1	a Pikhartova, Monika4 aut
700	1	a Hashimoto, Jun4 aut
700	1	a Abe, Lyu4 aut
700	1	a Brandner, Wolfgang4 aut
700	1	a Brandt, Timothy D.4 aut
700	1	a Carson, Joseph C.4 aut
700	1	a Chilcote, Jeffrey4 aut
700	1	a Dong, Ruobing4 aut
700	1	a Feldt, Markus4 aut
700	1	a Goto, Miwa4 aut
700	1	a Groff, Tyler4 aut
700	1	a Guyon, Olivier4 aut
700	1	a Hayano, Yutaka4 aut
700	1	a Hayashi, Masahiko4 aut
700	1	a Hayashi, Saeko S.4 aut
700	1	a Henning, Thomas4 aut
700	1	a Hodapp, Klaus W.4 aut
700	1	a Ishii, Miki4 aut
700	1	a Iye, Masanori4 aut
700	1	a Janson, Markusu Stockholms universitet,Institutionen för astronomi4 aut0 (Swepub:su)mjanso
700	1	a Jovanovic, Nemanja4 aut
700	1	a Kandori, Ryo4 aut
700	1	a Kasdin, Jeremy4 aut
700	1	a Knapp, Gillian R.4 aut
700	1	a Kudo, Tomoyuki4 aut
700	1	a Kusakabe, Nobuhiko4 aut
700	1	a Kuzuhara, Masayuki4 aut
700	1	a Kwon, Jungmi4 aut
700	1	a Lozi, Julien4 aut
700	1	a Martinache, Frantz4 aut
700	1	a Matsuo, Taro4 aut
700	1	a Mayama, Satoshi4 aut
700	1	a McElwain, Michael W.4 aut
700	1	a Miyama, Shoken4 aut
700	1	a Morino, Jun-Ichi4 aut
700	1	a Moro-Martin, Amaya4 aut
700	1	a Nakagawa, Takao4 aut
700	1	a Nishimura, Tetsuo4 aut
700	1	a Pyo, Tae-Soo4 aut
700	1	a Serabyn, Eugene4 aut
700	1	a Suto, Hiroshi4 aut
700	1	a Russel, Ray W.4 aut
700	1	a Suzuki, Ryuji4 aut
700	1	a Takami, Michihiro4 aut
700	1	a Takato, Naruhisa4 aut
700	1	a Terada, Hiroshi4 aut
700	1	a Thalmann, Christian4 aut
700	1	a Turner, Edwin L.4 aut
700	1	a Uyama, Taichi4 aut
700	1	a Wagner, Kevin R.4 aut
700	1	a Watanabe, Makoto4 aut
700	1	a Yamada, Toru4 aut
700	1	a Takami, Hideki4 aut
700	1	a Usuda, Tomonori4 aut
700	1	a Tamura, Motohide4 aut
710	2	a Stockholms universitetb Institutionen för astronomi4 org
773	0	t Astrophysical Journald : American Astronomical Societyg 875:1q 875:1x 0004-637Xx 1538-4357
856	4	u https://repository.arizona.edu/bitstream/10150/633903/1/Rich_2019_ApJ_875_38.pdf
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-168338
856	4 8	u https://doi.org/10.3847/1538-4357/ab0f3b

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Av författaren/redakt...: Rich, Evan A.; Wisniewski, John ...; Currie, Thayne; Fukagawa, Misato; Grady, Carol A.; Sitko, Michael L ...; visa fler...; Pikhartova, Moni ...; Hashimoto, Jun; Abe, Lyu; Brandner, Wolfga ...; Brandt, Timothy ...; Carson, Joseph C ...; Chilcote, Jeffre ...; Dong, Ruobing; Feldt, Markus; Goto, Miwa; Groff, Tyler; Guyon, Olivier; Hayano, Yutaka; Hayashi, Masahik ...; Hayashi, Saeko S ...; Henning, Thomas; Hodapp, Klaus W.; Ishii, Miki; Iye, Masanori; Janson, Markus; Jovanovic, Neman ...; Kandori, Ryo; Kasdin, Jeremy; Knapp, Gillian R ...; Kudo, Tomoyuki; Kusakabe, Nobuhi ...; Kuzuhara, Masayu ...; Kwon, Jungmi; Lozi, Julien; Martinache, Fran ...; Matsuo, Taro; Mayama, Satoshi; McElwain, Michae ...; Miyama, Shoken; Morino, Jun-Ichi; Moro-Martin, Ama ...; Nakagawa, Takao; Nishimura, Tetsu ...; Pyo, Tae-Soo; Serabyn, Eugene; Suto, Hiroshi; Russel, Ray W.; Suzuki, Ryuji; Takami, Michihir ...; Takato, Naruhisa; Terada, Hiroshi; Thalmann, Christ ...; Turner, Edwin L.; Uyama, Taichi; Wagner, Kevin R.; Watanabe, Makoto; Yamada, Toru; Takami, Hideki; Usuda, Tomonori; Tamura, Motohide; visa färre...

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