Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996a%26a...316..164r&link_type=abstract
Astronomy and Astrophysics, v.316, p.164-172
Astronomy and Astrophysics
Astrophysics
68
Stars: Activity Of, Stars: Imaging, Stars: Individual: V 410 Tau
Scientific paper
We present a new Doppler image of the rapidly-rotating weak-lined T Tauri star V410 Tauri and compare this new map with one previously published from observations taken over a year earlier. We find cool spots at both equatorial latitudes and at high latitudes with the high latitude spots being cooler and showing greater area and having greater longevity than the equatorial spots. A comparison of the two maps shows little relative change in the positions of the equatorial spots compared to the spots at high latitude suggesting very little differential rotation and what there is appears to be in the same sense as the Sun. Global spot lifetime would appear to be on the order of the time interval between the two maps, that is about a year. There are several hot features evident supporting the claim for the existence of such features based on our map of Nov. 1992.
Rice John B.
Strassmeier Klaus G.
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