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By Charlie, Katie, Collin, Justin, and Eric

FLARES. By Charlie, Katie, Collin, Justin, and Eric. Flare Stars First discovered in 1924 Short increase in brightness V > 13.3 mag. Proxima Centauri . A new flare star member candidate in the Pleiades Cluster (Moualla et al.). This Study

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By Charlie, Katie, Collin, Justin, and Eric

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  1. FLARES By Charlie, Katie, Collin, Justin, and Eric

  2. Flare Stars • First discovered in 1924 • Short increase in brightness • V > 13.3 mag. • Proxima Centauri A new flare star member candidate in the Pleiades Cluster (Moualla et al.) This Study Initially undertaken to find new low-mass stars, brown dwarfs and variable stars In the field chosen no previous survey to find brown dwarfs had been done before. One new flare star was found, and it was found to lie on the Pleiades ZAMS.

  3. Methods/Data Used • In order to find the magnitude of the stars, 3 programs were used. • SE • GAIA • MIDAS Apparent magnitude in R-band: R = CR + Rinstr– kR* z Light Curve

  4. Current Interpretation Two candidates for flare. -Both M class Spectral class and optical extinction: consistent with Pleiades Cluster. -AV1= 0.231±0.024; AV2= 0.266±0.020; AVP=0.2 mag 3) Flare time: consistent Color-magnitude diagram: consistent Proper motion: currently inconsistent… Figures from M. Moualla et al. (2011)

  5. Problems It has not yet been determined which of the two stars is the flare star Only one flare has been observed so far, so the frequency of flares is not yet known It is not known whether the observed flare is typical for this star The proper motion hasn't been determined for the individual stars

  6. Solutions • Observations • Which one? • Flare Star? • Typical? • Proper Motion?

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