The Brightest Delta Scuti Star

Details The Brightest Delta Scuti Star The Brightest Delta Scuti Star

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aas...20314807b&link_type=abstract

American Astronomical Society Meeting 203, #148.07; Bulletin of the American Astronomical Society, Vol. 36, p.594

Astronomy and Astrophysics

Astronomy

Scientific paper

We present an analysis of observations of the bright star Altair (α Aql) obtained using the star camera on the Wide Field Infrared Explorer (WIRE) satellite. Although Altair lies within the δ Scuti instability strip, previous observations have not revealed the presence of oscillations. However, the WIRE observations show Altair to be a low amplitude (Δ m < 500 μ mag) δ Scuti star with at least 5 modes present. We further show that the detected frequencies are compatible with models for Altair.

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