Gl 425, a slowly rotating BY Dra-type star.

Astronomy and Astrophysics – Astrophysics

Scientific paper

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By Draconis Stars:Stellar Flares, By Draconis Stars:Stellar Rotation, Stellar Flares:By Draconis Stars, Stellar Rotation:By Draconis Stars

Scientific paper

The authors observed both components with an intensified Reticon detector at the Cassegrain spectrograph of 1.6 m telescope of the Brazilian Astrophysical Observatory. The brighter component has a filled-in Hα line and the faint companion is a typical dMe star. A spectral classification of dM0e and dM4e is proposed for the pair. An intense flare of Gl 425 was found, indicating that in this aspect it behaves like a normal BY Dra star.

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