Flare activity and by-Draconis type variability on the late-type dMe star gliese 867B

  • J. G. Doyle
  • P. B. Byrne
  • C. J. Butler
Session III: Small Scale Atmosphere Structures: Data
Part of the Lecture Notes in Physics book series (LNP, volume 254)


We report on an analysis of flaring and BY-Draconis type variability on the Balmer emission line star, Gliese 867B. The time-averaged flare energy in the Johnson 1-band is similar to that measured in 1977 and 1978. A variation of 0.15 magnitudes was observed in the V-band with a period l.95 days.


Comparison Star Monthly Notice Flare Activity Versus Magnitude Flare Star 
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Copyright information

© Springer-Verlag 1986

Authors and Affiliations

  • J. G. Doyle
    • 1
  • P. B. Byrne
    • 1
  • C. J. Butler
    • 1
  1. 1.Armagh ObservatoryArmaghN. Ireland

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