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Browsing University of Hertfordshire by Author "Dunstone, N.J."
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The coronal structure of Speedy Mic - I. A densely packed prominence system beyond corotation
Dunstone, N.J.; Barnes, J.R.; Collier Cameron, A.; Jardine, M. (2006)We present new observations of the prominence system on the K3 dwarf Speedy Mic (BO Mic, HD 197890). Using an improved technique to track the absorption features in Hα we find a very active prominence system with approximately ... -
The coronal structure of Speedy Mic - II: Prominence masses and off-disc emission
Dunstone, N.J.; Collier Cameron, A.; Barnes, J.R.; Jardine, M. (2006)Observations of stellar prominences on young rapidly rotating stars provide unique probes of their magnetic fields out to many stellar radii. We compare two independently obtained datasets of the K3 dwarf Speedy Mic (BOMic, ... -
Differential rotation on both components of the pre main-sequence binary system HD 155555
Dunstone, N.J.; Hussain, G.A.J.; Collier Cameron, A.; Marsden, S.C.; Jardine, M.; Barnes, J.R.; Ramirez Vlex, J.C.; Donati, J-F. (2008)