Document Type

Article

Publication Date

9-16-2014

Publication Title

Astronomy and Astrophysics

Department

Department of Physics and Astronomy

Abstract

We report an age revision for the low-mass detached eclipsing binary CM Draconis and its common proper motion companion, WD 1633+572. An age of 8.5 +/- 3.5 Gyr is found by combining an age estimate for the lifetime of WD 1633+572 and an estimate from galactic space motions. The revised age is greater than a factor of two older than previous estimates. Our results provide consistency between the white dwarf age and the system's galactic kinematics, which reveal the system is a highly probable mem

DOI

10.1051/0004-6361/201424288

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