Optical flaring on RS CVn stars: the case of II Peg in 1992 September | Zendy

P. B. Byrne | Zendy; A. C. Lanzafame | Zendy; L. M. Sarro | Zendy; R. S. I. Ryans | Zendy

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Optical flaring on RS CVn stars: the case of II Peg in 1992 September

Author(s) -

P. B. Byrne,

A. C. Lanzafame,

L. M. Sarro,

R. S. I. Ryans

Publication year - 1994

Publication title -

monthly notices of the royal astronomical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.058

H-Index - 383

eISSN - 1365-8711

pISSN - 0035-8711

DOI - 10.1093/mnras/270.2.427

Subject(s) - physics , peg ratio , flare , astrophysics , stars , flare star , astronomy , star (game theory) , k type main sequence star , t tauri star , finance , economics

Recent observational results by Mathioudakis et al. have suggested that optical Uband flares are a frequent occurrence on the RS CVn star, II Peg. We present [/-band monitoring of II Peg in 1992 September which failed to show any evidence of flaring to very low limits. We show that these data are inconsistent with the flaring rates reported earlier and suggest that either II Peg was in a state of low flare activity in 1992, or that it was unusually active at the time of Mathioudakis et al.’s observations.

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