SCExAO/MEC and CHARIS Discovery of a Low-mass, 6 au Separation Companion to HIP 109427 Using Stochastic Speckle Discrimination and High-contrast Spectroscopy*

Frantz Martinache (1) , Sarah Steiger , Thayne Currie (2) , Timothy Brandt (3) , Olivier Guyon (2) , Masayuki Kuzuhara (2) , Jeffrey Chilcote (4) , Tyler Groff (5) , Julien Lozi (2) , Alexander Walter , Neelay Fruitwala , John Bailey, Iii , Nicholas Zobrist , Noah Swimmer , Isabel Lipartito , Jennifer Pearl Smith , Clint Bockstiegel , Seth Meeker , Gregoire Coiffard , Rupert Dodkins , Paul Szypryt , Kristina Davis , Miguel Daal , Bruce Bumble , Sebastien Vievard , Ananya Sahoo , Vincent Deo , Nemanja Jovanovic , Greg Doppmann , Motohide Tamura , N. Jeremy Kasdin , Benjamin Mazin

1 LAGRANGE - Joseph Louis LAGRANGE
2 NAOJ - National Astronomical Observatory of Japan
3 UC Santa Barbara - University of California [Santa Barbara]
4 UND - University of Notre Dame [Indiana]
5 GSFC - NASA Goddard Space Flight Center

Domaines: Astrophysique [astro-ph]

Frantz Martinache, Sarah Steiger, Thayne Currie, Timothy Brandt, Olivier Guyon, et al.. SCExAO/MEC and CHARIS Discovery of a Low-mass, 6 au Separation Companion to HIP 109427 Using Stochastic Speckle Discrimination and High-contrast Spectroscopy*. The Astronomical Journal, 2021, 162 (2), pp.44. ⟨10.3847/1538-3881/ac02cc⟩. ⟨hal-03518325⟩