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Photometric study on stellar magnetic activity. I. Flare variability of red dwarf stars in the open cluster M37

Chang, Seo-Won; Byun, Yongik; Hartman, J D

Description

Based on one-month long MMT time-series observations of the open cluster M37, we monitored light variations of nearly 2500 red dwarfs and successfully identified 420 flare events from 312 cluster M dwarf stars. For each flare light curve, we derived observational and physical parameters, such as flare shape, peak amplitude, duration, energy, and peak luminosity. We show that cool stars produce serendipitous flares energetic enough to be observed in the r-band, and their temporal and peak...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
URI: http://hdl.handle.net/1885/152171
Source: The Astrophysical Journal
DOI: 10.1088/0004-637X/814/1/35
Access Rights: Open Access

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