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Интеллектуальная Система Тематического Исследования НАукометрических данных |
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Visible-light High-contrast Imaging and Polarimetry with SCExAO/VAMPIRESстатья
- Авторы: Lucas Miles, Norris Barnaby, Guyon Olivier, Bottom Michael, Deo Vincent, Vievard Sébastien, Lozi Julien, Ahn Kyohoon, Ashcraft Jaren, Currie Thayne, Doelman David, Kudo Tomoyuki, Leboulleux Lucie, Lilley Lucinda, Millar-Blanchaer Maxwell, Safonov Boris, Tuthill Peter, Uyama Taichi, Walk Aidan, Zhang Manxuan
- Журнал: Publications of the Astronomical Society of the Pacific
- Том: 136
- Номер: 11
- Год издания: 2024
- Издательство: University of Chicago Press
- Местоположение издательства: United States
- Первая страница: 114504
- DOI: 10.1088/1538-3873/ad89af
- Аннотация: We present significant upgrades to the Visible Aperture-Masking Polarimetric Imager/Interferometer for Resolving Exoplanetary Signatures (VAMPIRES) instrument, a visible-light (600–800 nm) high-contrast imaging polarimeter integrated within SCExAO on the Subaru telescope. Key enhancements include new qCMOS detectors, coronagraphs, polarization optics, and a multiband imaging mode, improving sensitivity, resolution, and efficiency. These upgrades position VAMPIRES as a powerful tool for studying sub-stellar companions, accreting protoplanets, circumstellar disks, stellar jets, stellar mass-loss shells, and solar system objects. The instrument achieves angular resolutions from 17 to 21 mas and Strehl ratios up to 60%, with 5σ contrast limits of 10‑4 at 0.″1 to 10‑6 beyond 0.″5. We demonstrate these capabilities through spectro-polarimetric coronagraphic imaging of the HD 169142 circumstellar disk, ADI+SDI imaging of the sub-stellar companion HD 1160B, narrowband Hα imaging of the R Aqr emission nebula, and spectro-polarimetric imaging of Neptune.
- Добавил в систему: Сафонов Борис Сергеевич