Computer Science – Databases
Scientific paper
Feb 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1094..652h&link_type=abstract
COOL STARS, STELLAR SYSTEMS AND THE SUN: Proceedings of the 15th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun.
Computer Science
Databases
Low Luminosity Stars, Subdwarfs, And Brown Dwarfs, Flare Stars, Astronomical Catalogs, Atlases, Sky Surveys, Databases, Retrieval Systems, Archives, Etc.
Scientific paper
Flares on low-mass dwarfs are a major source of variability in the optical and UV in the Galaxy. In addition to being a source of optical transients, these flares may have an important effect on the habitability of planets orbiting low-mass dwarfs. We present a study of flares on M dwarfs determined from Sloan Digital Sky Survey time-resolved spectra. Our sample consists of tens of thousands of M dwarfs whose SDSS spectra were formed from co-adds of several (typically 3-5) consecutive shorter (typically 9-15 minute) exposures. We present the Flare Line Index as a way to identify flares in these individual component spectra with crude time-resolution, and investigate the short-term variability of the Balmer and Ca II emission lines.
Hawley Suzanne
Hilton Eric J.
Kowalski Adam
West Andrew A.
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