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

We report the direct imaging discovery of a low-mass companion to the nearby accelerating A star, HIP 109427, with the Subaru Coronagraphic Extreme Adaptive Optics (SCExAO) instrument coupled with the Microwave Kinetic Inductance Detector Exoplanet Camera (MEC) and CHARIS integral field spectrograph...

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Veröffentlicht in:	The Astronomical journal 2021-08, Vol.162 (2), p.44
Hauptverfasser:	Steiger, Sarah, Currie, Thayne, Brandt, Timothy D., Guyon, Olivier, Kuzuhara, Masayuki, Chilcote, Jeffrey, Groff, Tyler D., Lozi, Julien, Walter, Alexander B., Fruitwala, Neelay, Bailey, III, John I., Zobrist, Nicholas, Swimmer, Noah, Lipartito, Isabel, Smith, Jennifer Pearl, Bockstiegel, Clint, Meeker, Seth R., Coiffard, Gregoire, Dodkins, Rupert, Szypryt, Paul, Davis, Kristina K., Daal, Miguel, Bumble, Bruce, Vievard, Sebastien, Sahoo, Ananya, Deo, Vincent, Jovanovic, Nemanja, Martinache, Frantz, Doppmann, Greg, Tamura, Motohide, Kasdin, N. Jeremy, Mazin, Benjamin A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Adaptive control Adaptive optics Astrometry Astronomy Astrophysics ASTROPHYSICS, COSMOLOGY AND ASTRONOMY DIFFRACTION Discrimination Extrasolar planets INDUCTANCE INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY KINETICS LUMINOSITY MICROWAVE RADIATION OPTICS PHOTOMETRY Physics Point spread functions Reference stars SIGNAL-TO-NOISE RATIO SPECTRA SPECTROSCOPY Spectrum analysis STARS STOCHASTIC PROCESSES Subtraction TELESCOPES
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