Doppler Images of ζ Andromedae

Details Doppler Images of ζ Andromedae Doppler Images of ζ Andromedae

Aug 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006ap%26ss.304..375k&link_type=abstract

Astrophysics and Space Science, Volume 304, Issue 1-4, pp. 375-377

Astronomy and Astrophysics

Astrophysics

1

Stars: Activity Of, Stars: Imaging, Stars: Individual: &Zeta, Andromedae, Stars: Late-Type, Starspots

Scientific paper

Doppler images are presented for the RS CVn-type binary ζ And. Our upgraded Doppler imaging code TempMapɛ takes into account the distorted geometry of the primary giant component. On the maps several low latitude spots are restored with a temperature contrast of about 1000 K. Some weak polar features are also found. Cross-correlation of the consecutive Doppler-maps suggests solar-like differential surface rotation.

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