Computer Science – Sound
Scientific paper
Feb 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1094..660j&link_type=abstract
COOL STARS, STELLAR SYSTEMS AND THE SUN: Proceedings of the 15th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun.
Computer Science
Sound
Low Luminosity Stars, Subdwarfs, And Brown Dwarfs, Interaction Of Fluid Motion And Sound, Doppler Effect, And Sound In Flow Ducts, Stellar Activity
Scientific paper
V889 Herculis and EK Draconis are both young active dwarfs that can be considered as young solar analogues. Earlier Doppler imaging studies of these stars have shown that they have quite different spot distributions. Despite of that, latitudinal spot distribution seems to have a connection to the photometrically determined activity cycle. However, especially for EK Dra there have not been many Doppler images available for a detailed study. Here we present new surface temperature maps for both stars, and discuss further possible connections to the activity cycles and compare the results with the solar case.
Berdyugina Svetlana V.
Ilyin I. I.
Jarvinen Silva P.
Korhonen Heidi
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