Radius determination from the large frequency separation

Details Radius determination from the large frequency separation Radius determination from the large frequency separation

Dec 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008coast.157..370s&link_type=abstract

Communications in Asteroseismology, Vol.157, p. 370

Astronomy and Astrophysics

Astrophysics

Scientific paper

We report on the recent 2nd AsteroFLAG hare-and-hound exercise aimed at determining radii of F-K stars that are on or near the main sequence. Based on the large frequency separation, obtained from simulations of 4 year data from the Kepler mission (1st AsteroFLAG exercise; astroph/08034143), we have been able to correctly determine the stellar radii. The various methods used by each independent hound all agree, which gives strong confidence that radii estimation can be performed to the 1% level on a routine basis using automatic pipeline reduction.

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