Differential Rotation on Early G Dwarfs

Details Differential Rotation on Early G Dwarfs Differential Rotation on Early G Dwarfs

Jun 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aspc..405..523j&link_type=abstract

Solar Polarization 5: In Honor of Jan Stenflo ASP Conference Series, Vol. 405, proceedings of the conference held 17-21 Septembe

Astronomy and Astrophysics

Astronomy

1

Scientific paper

In this paper we present the latest results in our long-term program to understand how differential rotation depends on fundamental stellar parameters such as spectral type, mass and radius. In this paper we focus on early G dwarf spectral types by presenting our latest surface brightness image and differential rotation measurement for the GOV dwarf HD 171488 (age = 30 to 50 Myr, period = 1.33 d) and compare with the differential rotation measurements obtained using the same techniques for LQ Lup (G2V, 25Myr, p=0.31 d) and R58 (G2V, 35Myr, p=0.57 d).

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