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Grav30: Novel Method for the Evaluation of the Rotation Velocity of Solar-like Stars

Author:

De Mees, Thierry

Category:

Research Papers

Sub-Category:

Astrophysics

Language:

English

Date Published:

November 23, 2012

File:

/Research Papers-Astrophysics/Download/4377

Downloads:

975

Keywords:

Sun, solar-like stars, surface gravity, rotation velocity, gravitational constant

Abstract:

The evaluation of stars’ properties is classically performed by comparing the stars’ light spectra and fluxes to the known solar properties. Another method to find the stars’ rotation velocity will be discussed here: the extrapolation to the other solar-like stars of an empiric solar property, which consists of a direct relationship between the star’s frequency and its surface gravity, without the need of any other parameters.