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Time Scales for Ca II Emission Decay, Rotational Braking, and Lithium Depletion

A. Skumanich
- 01 Jan 1972 - 
- Vol. 171, pp 565
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This article is published in The Astrophysical Journal.The article was published on 1972-01-01. It has received 1732 citations till now. The article focuses on the topics: Lithium & Luminosity (scattering theory).

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Evolution of binary stars and the effect of tides on binary populations

TL;DR: In this paper, a rapid binary-evolution algorithm was proposed to model the formation and evolution of binary systems, including all aspects of single-star evolution, features such as mass transfer, mass accretion, common envelope evolution, collisions, supernova kicks and angular momentum loss mechanisms.
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Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics

TL;DR: In this article, the authors derived an improved activity-age calibration for F7-K2 dwarfs (0:5 mag < B -V < 0.9 mag).
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Orbital migration of the planetary companion of 51 Pegasi to its present location

TL;DR: In this paper, the authors show that if the companion is indeed a gas-giant planet, it is extremely unlikely to have formed at its present location, and suggest instead that the planet probably formed by gradual accretion of solids and capture of gas at a much larger distance from the star (∼5 AU), and that it subsequently migrated inwards through interactions with the remnants of the circumstellar disk.
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