The Solar Neighborhood. LIII. M Dwarf Twin Binaries—One in Five Twin Sibling Pairs Are Mismatched in Activity and/or Rotation

The Astronomical Journal 2026 Open access

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Authors: Andrew A. Couperus, Todd J. Henry, Aman Kar, Wei‐Chun Jao, Eliot Halley Vrijmoet, Rachel A. Osten
DOI: 10.3847/1538-3881/ae34ad
Cited by: 1
References: 183

Abstract

Abstract We report on a study of 36 pairs of “twin” M dwarfs in wide binaries and assess how similarly the stars behave. Stars in each twin pair have BP, RP, J , H , and K s differing by

Fields of Study & Subjects

Stellar planetary and galactic studies Astronomy and Astrophysical Research Nuclear physics research studies

Publication details

Journal / source
The Astronomical Journal
Publisher
American Astronomical Society
Volume
171
Issue
3
Pages
168–168
Publication date
17 February 2026
Language
EN