Lawson, Kellen and Currie, Thayne and Wisniewski, John P. and Hashimoto, Jun and Guyon, Olivier and Kasdin, N. Jeremy and Groff, Tyler D. and Lozi, Julien and Brandt, Timothy D. and Chilcote, Jeffrey and Deo, Vincent and Uyama, Taichi and Vievard, Sébastien (2021) High-contrast integral field spectropolarimetry of planet-forming disks with SCExAO/CHARIS. In: Techniques and Instrumentation for Detection of Exoplanets X. Proceedings of SPIE. No.11823. Society of Photo-optical Instrumentation Engineers , Bellingham, WA, Art. No. 118230D. https://resolver.caltech.edu/CaltechAUTHORS:20210910-175930615
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Abstract
We describe a new high-contrast imaging capability well suited for studying planet-forming disks: near-infrared (NIR) high-contrast spectropolarimetric imaging with the Subaru Coronagraphic Extreme Adaptive Optics (SCExAO) system coupled with the CHARIS integral field spectrograph (IFS). The advent of extreme AO systems, like SCExAO, has enabled recovery of planet-mass companions at the expected locations of gas-giant formation in young disks alongside disk structures (such as gaps or spirals) that may indicate protoplanet formation. In combination with SCExAO, the CHARIS IFS in polarimetry mode allows characterization of these systems at wavelengths spanning the NIR J, H, and K bands (1.1–2.4 μm, R~20) and at angular separations as small as 0.04”.
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| Additional Information: | © 2021 Society of Photo-Optical Instrumentation Engineers (SPIE). This research is based on data collected at Subaru Telescope, which is operated by the National Astronomical Observatory of Japan. We are honored and grateful for the opportunity of observing the Universe from Maunakea, which has cultural, historical and natural significance in Hawaii. We wish to acknowledge the critical importance of the current and recent Subaru telescope operators, daycrew, computer support, and office staff employees. Their expertise, ingenuity, and dedication is indispensable to the continued successful operation of Subaru. The development of SCExAO was supported by the Japan Society for the Promotion of Science (Grant-in-Aid for Research #23340051, #26220704, #23103002, #19H00703 & #19H00695), the Astrobiology Center of the National Institutes of Natural Sciences, Japan, the Mt Cuba Foundation and the director's contingency fund at Subaru Telescope. We acknowledge funding support from the NASA XRP program via grants 80NSSC20K0252 and NNX17AF88G. T.C. was supported by a NASA Senior Postdoctoral Fellowship. This work has made use of data from the European Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, https://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. | ||||||||||||||||||||||||||||
| Group: | Infrared Processing and Analysis Center (IPAC) | ||||||||||||||||||||||||||||
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| Series Name: | Proceedings of SPIE | ||||||||||||||||||||||||||||
| Issue or Number: | 11823 | ||||||||||||||||||||||||||||
| DOI: | 10.1117/12.2594819 | ||||||||||||||||||||||||||||
| Record Number: | CaltechAUTHORS:20210910-175930615 | ||||||||||||||||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20210910-175930615 | ||||||||||||||||||||||||||||
| Official Citation: | Kellen Lawson, Thayne Currie, John P. Wisniewski, Jun Hashimoto, Olivier Guyon, N, Jeremy Kasdin, Tyler D. Groff, Julien Lozi, Timothy D. Brandt, Jeffrey Chilcote, Vincent Deo, Taichi Uyama, and Sebastien Vievard "High-contrast integral field spectropolarimetry of planet-forming disks with SCExAO/CHARIS", Proc. SPIE 11823, Techniques and Instrumentation for Detection of Exoplanets X, 118230D (1 September 2021); https://doi.org/10.1117/12.2594819 | ||||||||||||||||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||||||||||||||
| ID Code: | 110806 | ||||||||||||||||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||||||||||||||||
| Deposited By: | Tony Diaz | ||||||||||||||||||||||||||||
| Deposited On: | 10 Sep 2021 20:13 | ||||||||||||||||||||||||||||
| Last Modified: | 10 Sep 2021 20:13 |
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