BeppoSAX observations of the rapidly-rotating young star AB Doradus

Date Issued
2001
Author(s)
•
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Pallavicini, R.
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Güdel, M.
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Audard, M.
Abstract
The young rapidly-rotating star AB~Doradus has been observed by BeppoSAX on four occasions in Nov 1998, Dec 1999 and June 2000. In all occasions it was very active with spectacular flares detected up to energies of ~50 keV at the peak of the strongest ones. The individual observations were long enough in several cases to investigate possible rotational modulation effects. Simultaneous optical photometry was obtained at the South African Observatory during the Dec 1999 observation. We present an analysis of the quiescent and flaring emission of AB~Dor and we discuss the modelling of the quiescent emission and of the flares with the aid of self-consistent loop models.
Coverage
X-ray Astronomy 2000
All editors
Giacconi, R.; Serio, S.; Stella, L.
Series
Volume
234
Conferenece
X-ray Astronomy 2000
Conferenece place
Mondello (PA)
Conferenece date
4-9 settembre 2000
Uri
Issn Identifier
1050-3390
Rights
open.access
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