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On the believability of polar spots

Published online by Cambridge University Press:  25 May 2016

P. Brendan Byrne
P. Brendan Byrne*
Affiliation:
Armagh Observatory College Hill, Armagh BT61 9DG, N. Ireland

Abstract

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Polar spots in Doppler Imaging maps of rapidly rotating late-type stars, especially the active components of RS CVn binaries, represent a major break with the solar paradigm, within which spots are only found at low latitudes. I examine critically the evidence for polar spots and point out that they are particularly sensitive to a number of systematic effects relating to determining reference “zero-points”.

Type
Session III: “Photospheric Phenomena: Results”
Information
Symposium - International Astronomical Union , Volume 176: Stellar Surface Structure , 1996 , pp. 299 - 304
Copyright
Copyright © Kluwer 1996 

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