High-contrast integral field spectropolarimetry of planet-forming disks with SCExAO/CHARIS
AffiliationCollege of Optical Sciences, University of Arizona
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CitationLawson, K., Currie, T., Wisniewski, J. P., Hashimoto, J., Guyon, O., Kasdin, N. J., Groff, T. D., Lozi, J., Brandt, T. D., Chilcote, J., Deo, V., Uyama, T., & Vievard, S. (2021). High-contrast integral field spectropolarimetry of planet-forming disks with SCExAO/CHARIS. Proceedings of SPIE - The International Society for Optical Engineering.
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AbstractWe 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". © COPYRIGHT SPIE. Downloading of the abstract is permitted for personal use only.
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