Visible-light high-contrast imaging polarimetry at Subaru

Miles Lucas; Barnaby Norris; Olivier Guyon; Michael Bottom; Vincent Deo; Sébastien Vievard; Julien Lozi; Kyohoon Ahn; Jaren N. Ashcraft; Thayne Currie; David Doelman; Tomoyuki Kudo; Lucinda Lilley; Lucie Leboulleux; Maxwell Millar-Blanchaer; Boris Safonov; Peter Tuthill; Taichi Uyama; Manxuan Zhang

doi:10.1117/12.3016188

19 July 2024 Visible-light high-contrast imaging polarimetry at Subaru

Miles Lucas, Barnaby Norris, Olivier Guyon, Michael Bottom, Vincent Deo, Sébastien Vievard, Julien Lozi, Kyohoon Ahn, Jaren N. Ashcraft, Thayne Currie, David Doelman, Tomoyuki Kudo, Lucinda Lilley, Lucie Leboulleux, Maxwell Millar-Blanchaer, Boris Safonov, Peter Tuthill, Taichi Uyama, Manxuan Zhang

Author Affiliations +

Proceedings Volume 13096, Ground-based and Airborne Instrumentation for Astronomy X; 130962Z (2024) https://doi.org/10.1117/12.3016188
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

We present the upgrades to the visible light (600 nm - 800 nm) high-contrast imaging polarimeter SCExAO/VAMPIRES on the 8.2 m Subaru telescope. The upgrades included new photon-counting CMOS detectors with 0.22 to 0.45 e- RMS read noise, a novel multiband imaging mode, and an achromatic liquid crystal for fast polarization modulation. We highlight VAMPIRES observational capabilities including H-alpha imaging, coronagraphy, multiband color analysis, spectral differential imaging, and simultaneous multi-instrument polarimetry with SCExAO. We conclude with the on-sky validation and first-light results, important considerations for observers, and future prospects with VAMPIRES.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Miles Lucas, Barnaby Norris, Olivier Guyon, Michael Bottom, Vincent Deo, Sébastien Vievard, Julien Lozi, Kyohoon Ahn, Jaren N. Ashcraft, Thayne Currie, David Doelman, Tomoyuki Kudo, Lucinda Lilley, Lucie Leboulleux, Maxwell Millar-Blanchaer, Boris Safonov, Peter Tuthill, Taichi Uyama, and Manxuan Zhang "Visible-light high-contrast imaging polarimetry at Subaru", Proc. SPIE 13096, Ground-based and Airborne Instrumentation for Astronomy X, 130962Z (19 July 2024); https://doi.org/10.1117/12.3016188

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