Diverse Team Working on Epsilon Aurigae Enigma

Astronomy and Astrophysics – Astronomy

Scientific paper

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Scientific paper

After 175 years of study, astronomers still debate the identity of the companion that eclipses Epsilon Aurigae every 27 years. By obtaining and analyzing observations from the College of San Mateo (CSM) 8” telescope, the Spitzer Space Telescope, and the Kitt Peak National Observatory, our team hopes to shed light on this mystery. Using spectra from CSM and Kitt Peak, students make equivalent width, relative velocity, and full width half max measurements of prominent absorption lines. Comparisons of these measurements combined with photometric data from Spitzer should illuminate more details of the Epsilon Aurigae dark companion. Data collection started in February 2009 (pre-eclipse) and will continue throughout the two-year event. This study is part of the NASA/IPAC Teacher Archive Research Project (NITARP).

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