New brown dwarf companions to dM(e) stars
classification
🌌 astro-ph
keywords
dwarfcompanionsstarsactivity-ageastrometricbrownconfirmdata
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We present new astrometric and spectroscopic data to confirm two new M/L dwarf systems, G124-62 and LHS5166, and discuss the nature of a third system (LP261-75). Age and thus mass determinations of the L dwarf companions are discussed based on various activity-age relationships of the M dwarf primaries. This publication will update the list of widely separated substellar companions to nearby stars.
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