Observations of a solar flare and filament eruption in Lyman alpha and X-rays

Details Observations of a solar flare and filament eruption in Lyman alpha and X-rays Observations of a solar flare and filament eruption in Lyman alpha and X-rays

2009-09-25

arxiv.org/abs/0909.4705v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

10 pages, 15 figures

Scientific paper

10.1051/0004-6361/200912651

We aim to characterise the appearance and behaviour of a flare and filament ejection which occurred on 8th September 1999 and was observed by TRACE in L-alpha as well as by the Yohkoh Soft and Hard X-ray telescopes. We explore the flare energetics and its spatial and temporal evolution. A correction is applied to the TRACE data to obtain a better estimate of the pure L-alpha signature. The L-alpha power is obtained from a knowledge of the TRACE response function, and the flare electron energy budget is estimated by interpreting Yohkoh/HXT emission in the context of the collisional thick target model.

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