Subaru/HiCIAO HK s Imaging of LKHa 330: Multi-band Detection of the Gap and 
Spiral-like Structures

Uyama, Taichi; Hashimoto, Jun; Muto, Takayuki; Akiyama, Eiji; Dong, Ruobing; de Leon, Jerome; Sakon, Itsuki; Kudo, Tomoyuki; Kusakabe, Nobuhiko; Kuzuhara, Masayuki; Bonnefoy, Mickael; Abe, Lyu; Brandner, Wolfgang; Brandt, Timothy D.; Carson, Joseph C.; Currie, Thayne; Egner, Sebastian; Feldt, Markus; Fung, Jeffrey; 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.; Kwon, Jungmi; Matsuo, Taro; Mayama, Satoshi; Mcelwain, Michael W.; Miyama, Shoken; Morino, Jun-Ichi; Moro-Martin, Amaya; Nishimura, Tetsuo; Pyo, Tae-Soo; Serabyn, Eugene; Sitko, Michael L.; Suenaga, Takuya; Suto, Hiroshi; Suzuki, Ryuji; Takahashi, Yasuhiro H.; Takami, Michihiro; Takato, Naruhisa; Terada, Hiroshi; Thalmann, Christian; Turner, Edwin L.; Watanabe, Makoto; Wisniewski, John; Yamada, Toru; Yang, Yi; Takami, Hideki; Usuda, Tomonori; Tamura, Motohide

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Subaru/HiCIAO HK _s Imaging of LKHa 330: Multi-band Detection of the Gap and Spiral-like Structures

MPS-Authors

Uyama, Taichi
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Hashimoto, Jun
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Muto, Takayuki
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Akiyama, Eiji
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Dong, Ruobing
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

de Leon, Jerome
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Sakon, Itsuki
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Kudo, Tomoyuki
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Kusakabe, Nobuhiko
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Kuzuhara, Masayuki
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Bonnefoy, Mickael
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Abe, Lyu
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Brandner, Wolfgang
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Brandt, Timothy D.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Carson, Joseph C.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Currie, Thayne
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Egner, Sebastian
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Feldt, Markus
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Fung, Jeffrey
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Goto, Miwa
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Grady, Carol A.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Guyon, Olivier
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Hayano, Yutaka
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Hayashi, Masahiko
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Hayashi, Saeko S.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Henning, Thomas
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Hodapp, Klaus W.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Ishii, Miki
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Iye, Masanori
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Janson, Markus
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Kandori, Ryo
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Knapp, Gillian R.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Kwon, Jungmi
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Matsuo, Taro
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Mayama, Satoshi
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Mcelwain, Michael W.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Miyama, Shoken
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Morino, Jun-Ichi
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Moro-Martin, Amaya
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Nishimura, Tetsuo
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Pyo, Tae-Soo
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Serabyn, Eugene
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Sitko, Michael L.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Suenaga, Takuya
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Suto, Hiroshi
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Suzuki, Ryuji
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Takahashi, Yasuhiro H.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Takami, Michihiro
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Takato, Naruhisa
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Terada, Hiroshi
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Thalmann, Christian
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Turner, Edwin L.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Watanabe, Makoto
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Wisniewski, John
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Yamada, Toru
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Yang, Yi
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Takami, Hideki
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Usuda, Tomonori
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Tamura, Motohide
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

External Resource

https://ui.adsabs.harvard.edu/abs/2018AJ....156...63U
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Citation

Uyama, T., Hashimoto, J., Muto, T., Akiyama, E., Dong, R., de Leon, J., et al. (2018). Subaru/HiCIAO HK _s Imaging of LKHa 330: Multi-band Detection of the Gap and Spiral-like Structures. The Astronomical Journal, 156.

Cite as: https://hdl.handle.net/21.11116/0000-0005-CA8C-A

Abstract

We present H- and K _s-bands observations of the LkHα 330 disk with a multi-band detection of the large gap and spiral-like structures. The morphology of the outer disk (r ̃ 0.″3) at PA = 0°-45° and PA° = 180-290° is likely density wave-induced spirals, and comparison between our observational results and simulations suggests a planet formation. We have also investigated the azimuthal profiles at the ring and the outer-disk regions as well as radial profiles in the directions of the spiral-like structures and semimajor axis. Azimuthal analysis shows a large variety in wavelength and implies that the disk has non- axisymmetric dust distributions. The radial profiles in the major-axis direction (PA = 271°) suggest that the outer region (r ≥ 0.″25) may be influenced by shadows of the inner region of the disk. The spiral-like directions (PA = 10° and 230°) show different radial profiles, which suggests that the surfaces of the spiral-like structures are highly flared and/or have different dust properties. Finally, a color map of the disk shows a lack of an outer eastern region in the H-band disk, which may hint at the presence of an inner object that casts a directional shadow onto the disk.