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2009MNRAS.399.1829S - Mon. Not. R. Astron. Soc., 399, 1829-1838 (2009/November-2)
Doppler images and chromospheric variability of TWA 17.
SKELLY M.B., UNRUH Y.C., BARNES J.R., LAWSON W.A., DONATI J.-F. and COLLIER CAMERON A.
Abstract (from CDS):
In addition to the photospheric variability, the chromospheric variability was studied using the Balmer emission. The mean Hα profile has a narrow component consistent with rotational broadening and a broad component extending out to 220 km/s. The variability in Hα suggests that the chromosphere has at least one slingshot prominence 3R* above the surface.
Abstract Copyright: © 2009 The Authors. Journal compilation © 2009 RAS
Journal keyword(s): stars: chromospheres - stars: individual: TWA 17 - stars: late-type - stars: magnetic fields - stars: pre-main-sequence - stars: spots
Simbad objects: 9
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