Nearby star Altair is a main sequence star that fuses hydrogen atoms into helium. It is is approximately 83 % bigger than the Sun and temperature on its surface is around 7377 K (7104 °C), which is about 128 % of Sun's temperature.
a pulsating star belonging to the Delta Scuti category. These stars expand and contract with a period in mere hours. Altair can be found in northern celestial hemisphere, and it is possible to see it with naked eye. The star is easily observable from Northern America, Europe and Asia.
Altair is a pulsating star belonging to the Delta Scuti category. These stars expand and contract with a period in mere hours.
Other designations of this star
Alpha Aquilae, α Aquilae, Gliese 768, 53 Aquilae, 53 Aql, BD+08°4236, FK5 745, GCTP 4665.00, Gliese 768, HD 187642, HIP 97649, HR 7557, LFT 1499, LHS 3490, LTT 15795, NLTT 48314, SAO 125122, WDS 19508+0852A, alf Aql
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Right ascension: 19h 50m 47s
Declination: 8° 52' 5.96'' (equatorial region)
Parallax: 194.95
Sun distance: 16.7 ly | 5.1 pc
Temperature: 7377 K | 1.28 T Sun
Age: 1.2 billions years | 0.26 Sun
Luminosity: 10.6 L Sun
Apparent magnitude (V): 0.8
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