OASIS Survey Direct Imaging and Astrometric Discovery of HIP 71618 B: A Substellar Companion Suitable for the Roman Coronagraph Technology Demonstration

We present the OASIS survey program discovery of a substellar companion orbiting the young A1V star HIP 71618, detected using precision astrometry from Gaia and Hipparcos and high-contrast imaging with SCExAO/CHARIS and Keck/NIRC2. Atmospheric modeling favors a spectral type of M5–M8 and a temperatu...

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Päätekijät:	Mona El Morsy, Thayne Currie, Brianna Lacy, Taylor L. Tobin, Qier An, Yiting Li, Ziying Gu, Masayuki Kuzuhara, Danielle Bovie, Dillon Peng, Jeffrey Chilcote, Olivier Guyon, Miles Lucas, Timothy D. Brandt, Robert de Rosa, Tyler D. Groff, Markus Janson, N. J. Kasdin, Julien Lozi, Christian Marois, Bertrand Mennesson, Naoshi Murakami, Eric Nielsen, Sabina Sagynbayeva, Nour Skaf, William Thompson, Motohide Tamura, Taichi Uyama, Alice Zurlo, Vincent Deo, Sebastien Vievard
Aineistotyyppi:	Artigo
Kieli:	Inglês
Julkaistu:	IOP Publishing 2025-01-01
Sarja:	The Astrophysical Journal Letters
Aiheet:	High contrast techniques Direct imaging Astrometric exoplanet detection Adaptive optics Brown dwarfs
Linkit:	https://doi.org/10.3847/2041-8213/ae195f
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