The Solar Neighborhood. LII. M Dwarf Twin Binaries—Presumed Identical Twins Appear Fraternal in Variability, Rotation, Hα, and X-Rays

The Solar Neighborhood. LII. M Dwarf Twin Binaries—Presumed Identical Twins Appear Fraternal in Variability, Rotation, Hα, and X-Rays

We present an investigation into the rotation and stellar activity of four fully convective M dwarf “twin” wide binaries. Components in each pair have (1) astrometry confirming they are common-proper-motion binaries, (2) Gaia BP, RP, and 2MASS J , H , and K _s magnitudes matching within 0.10 mag, an...

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Bibliographic Details
Main Authors: Andrew A. Couperus, Todd J. Henry, Rachel A. Osten, Wei-Chun Jao, Eliot Halley Vrijmoet, Aman Kar, Elliott Horch
Format: Article
Language:English
Published: IOP Publishing 2024-01-01
Series:The Astronomical Journal
Subjects:
M dwarf stars
Magnetic variable stars
Stellar activity
Stellar evolution
Stellar rotation
Wide binary stars
Online Access:https://doi.org/10.3847/1538-3881/ad9252
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