Evidence for a Very Young Age of F Stars with Extrasolar Planets

Details Evidence for a Very Young Age of F Stars with Extrasolar Planets Evidence for a Very Young Age of F Stars with Extrasolar Planets

Mar 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001apj...549l.237s&link_type=abstract

The Astrophysical Journal, Volume 549, Issue 2, pp. L237-L240.

Statistics

13

Stars: Planetary Systems, Stars: Fundamental Parameters, Stars: Late-Type, Stars: Statistics

Scientific paper

We assess the age of nine planet-bearing (PB) F stars by comparing their metallicity, Hp variability, brightness anomaly, and location in the color-magnitude diagram with the same parameters for the Hyades and field F stars. Combined evidence from these parameters suggests that the age of our PB F stars is not very much different from the age of the Hyades, ~700 Myr, and is much younger than the ages of cooler, solar-type PB stars found in a number of recent studies. Based on the data from the Hipparcos astrometry satellite (European Space Agency).

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