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Vega

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Vega

Vega is a blue main-sequence star located in the Lyra constellation. Due to centrifugal effects, the area around its equator bulges out. At maximum it has a diameter 2.818 times that of the Sun. Vega has been studied extensively by astronomers.[1][2]

Altair

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Altair

Due to their proximity, Vega is widely associated with the nearby Altair,[3] located in and the brightest star within the constellation Aquila. It has an oblate shape as well.[4] Altair is a white main sequence star with a diameter between 1.63 to 2.03 times that of the Sun's.[5]

References

  1. http://iopscience.iop.org/article/10.1088/0004-637X/708/1/71/meta
  2. http://adsabs.harvard.edu/doi/10.1086/187418
  3. Vega and Altair are represented as the princess/weaver girl and the cowherd in a Chinese story (see here: http://cultureofchinese.com/traditions/folklore/folklore-cowherd-and-the-weaver-girl/)
  4. http://iopscience.iop.org/article/10.1086/322340/meta
  5. https://doi.org/10.1126%2Fscience.1143205