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ROSAT observation of a giant X-ray flare on the active binary Algol

  • Flares in Late-type Stars: UV and X-ray
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Flares and Flashes

Part of the book series: Lecture Notes in Physics ((LNP,volume 454))

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Abstract

ROSAT/PSPC observations of a long-duration, giant X-ray flare on the eclipsing binary Algol are presented. With a total thermally radiated energy of 7. 1036 erg, this flare is one of the largest events ever observed. The flare decay is modeled by means of the quasi-static cooling method, which yields a height of the flare loop arcade of ≅ 1R K , and a plasma density of 1011 cm−3.

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Jochen Greiner Hilmar W. Duerbeck Roald E. Gershberg

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© 1995 Springer-Verlag

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Ottmann, R. (1995). ROSAT observation of a giant X-ray flare on the active binary Algol. In: Greiner, J., Duerbeck, H.W., Gershberg, R.E. (eds) Flares and Flashes. Lecture Notes in Physics, vol 454. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-60057-4_266

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  • DOI: https://doi.org/10.1007/3-540-60057-4_266

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-60057-2

  • Online ISBN: 978-3-540-49420-1

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