Altair: The Brightest δ Scuti Star

  title={Altair: The Brightest $\delta$ Scuti Star},
  author={Derek L. Buzasi and Hans Bruntt and Timothy R. Bedding and A. J. Retter and Hans Kjeldsen and Heather L. Preston and William J. Mandeville and Joseph H. Catanzarite and Tim Conrow and Russ R. Laher},
  journal={The Astrophysical Journal},
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 (Δm < 1 parts per thousand [ppt]) δ Scuti star with at least seven modes present. 

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