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        Periodic variability of spotted M dwarfs in WTS

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        906842.pdf (PDF, 240Kb)
        Author
        Goulding, N. T.
        Barnes, J.R.
        Pinfield, D.J.
        del Burgo, C.
        Kovacs, G.
        Birkby, J.
        Hodgkin, S.
        Catalan, S.
        Sipocz, B.
        Jones, H.R.A.
        Jeffers, S.V.
        Nefs, S.
        Attention
        2299/13928
        Abstract
        We present an analysis of the photometric variability of M dwarfs in the WFCAM Transit Survey, selected from spectral types inferred by their WTS and SDSS colours, with periods detected using a Lomb-Scargle Periodogram Analisys. We estimate population membership of these objects from their tangential velocities and photometric parralaxes. Examples of M dwarfs with variable light curve morphologuies are found. We discuss possible causes for this and make use of models of spotted stars in our interpretation of the results.
        Publication date
        2013
        Published in
        Hot Planets and Cool Stars
        Published version
        https://doi.org/10.1051/epjconf/20134701006
        Other links
        http://hdl.handle.net/2299/13928
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