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BASIC INFO
Altair, also known as Alpha Aquilae, is a bright star located in the constellation of Aquila, approximately 16.7 light-years away from Earth. It is one of the three stars that form the prominent Summer Triangle asterism, along with Vega and Deneb. Altair is classified as an A-type main-sequence star, making it hotter, larger, and more luminous than the Sun. With a surface temperature of around 7,500 Kelvin, Altair emits a distinctive white light and rotates rapidly, completing one full rotation on its axis in just 9 hours. This fast rotation causes Altair to appear oblate, with its equatorial diameter being about 20% larger than its polar diameter.
ADVANCED INFO
Size: 1.55 million miles across
Mass: 1.79 solar masses
Distance from Earth: 16.73 light-years
Galaxy: Milky Way
Age: 100 million years old
Luminosity: 10.6 L
Type: A-type Main sequence star
Temperature: 13,400 Fahrenheit (7,400 Celsius) (At surface)
SOME RANDOM FACTS
Altair is a prominent member of the Summer Triangle asterism, along with Vega and Deneb. This triangle-shaped pattern is visible in the summer skies of the northern hemisphere and serves as a navigational marker for stargazers.
Altair is one of the fastest rotating stars known, completing one full rotation on its axis in just 9 hours. This rapid rotation causes Altair to be oblate, meaning it appears flattened at the poles and bulging at the equator.
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