Companion mass limits for 17 binary systems obtained with binary differential imaging and MagAO/Clio

ABSTRACT Improving direct detection capability close to the star through improved star subtraction and post-processing techniques is vital for discovering new low-mass companions and characterizing known ones at longer wavelengths. We present results of 17 binary star systems observed with the Magel...

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Published in:Monthly notices of the Royal Astronomical Society 2022-08, Vol.515 (3), p.4487-4504
Main Authors: Pearce, Logan A, Males, Jared R, Weinberger, Alycia J, Long, Joseph D, Morzinski, Katie M, Close, Laird M, Hinz, Philip M
Format: Article
Language:English
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Summary:ABSTRACT Improving direct detection capability close to the star through improved star subtraction and post-processing techniques is vital for discovering new low-mass companions and characterizing known ones at longer wavelengths. We present results of 17 binary star systems observed with the Magellan adaptive optics system (MagAO) and the Clio infrared camera on the Magellan Clay Telescope using binary differential imaging (BDI). BDI is an application of reference differential imaging (RDI) and angular differential imaging (ADI) applied to wide binary star systems (2 arcsec 
ISSN:0035-8711
1365-2966
DOI:10.1093/mnras/stac2056