Regular High Resolution Full Visual Spectrum Monitoring of Epsilon Aurigae Throughout Its 2009-2011 Eclipse

Details Regular High Resolution Full Visual Spectrum Monitoring of Epsilon Aurigae Throughout Its 2009-2011 Eclipse Regular High Resolution Full Visual Spectrum Monitoring of Epsilon Aurigae Throughout Its 2009-2011 Eclipse

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21823004m&link_type=abstract

American Astronomical Society, AAS Meeting #218, #230.04; Bulletin of the American Astronomical Society, Vol. 43, 2011

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Over the past two years the star Epsilon Aurigae has dimmed as a companion with a thick dusty disk eclipses it. Throughout this event we have taken regular biweekly high resolution Echelle spectroscopy to record changes in the absorption profiles. Measurements of the features introduced into the stellar spectrum by the intervening disk map its structure and physical parameters. While others have focused their high-resolution spectroscopy efforts on narrow ranges of wavelength targeting specific well-studied absorption features, our data covers from 970 nm - 315 nm allowing us to discover additional features in the spectrum that vary during the eclipse.

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