This article is about the star. For other uses, see Vega (disambiguation). Vega is the brightest star in the northern constellation of Lyra . It has the Bayer designation α Lyrae, which is Latinised to Alpha Lyrae and abbreviated Alpha Lyr or α Lyr.
It consists of Vega and two first-magnitude stars Altair, in Aquila, and Deneb in Cygnus. This formation is the approximate shape of a triangle . Vega has a radius of around 1.1 million mi / 1.8 million km, about 2.5 times bigger than our Sun.
To a hypothetical observer in the Vega system, the Sun would appear as a dim star with a magnitude of 4.3, located in the direction of Columba constellation. Not counting the Sun, Vega was the first star to be photographed and have its spectrum recorded.
Then, where is the star Vega located in the constellation Lyra?
To find the star Vega in the constellation Lyra, look directly overhead. North lies at the top of the sky map. Shining almost directly overhead as darkness falls these days is the brilliant bluish-white star Vega, in the constellation of Lyra, the Harp .
Vega is a bright star just 25 light-years from Earth, visible in the summer sky of the Northern Hemisphere . The star is part of the constellation Lyra and forms an asterism with the stars Deneb and Altair that is known as the Summer Triangle.
How many light years away is the star Vega?
Vega is a bright star located just 25 light-years from Earth, visible in the summer sky of the Northern Hemisphere. The star is part of the constellation Lyra and, with the stars Deneb and Altair, forms an asterism known as the Summer Triangle. The star is only about 450 million years old,.
What is the meaning of Vega in medieval astrology?
Medieval astrologers counted Vega as one of the Behenian stars and related it to chrysolite and winter savory. Cornelius Agrippa listed its kabbalistic sign under Vultur cadens, a literal Latin translation of the Arabic name. Medieval star charts also listed the alternate names Waghi, Vagieh and Veka for this star.
What is the spectral class of Vega?
Vega’s spectral class is A0V , making it a blue-tinged white main sequence star that is fusing hydrogen to helium in its core. Since more massive stars use their fusion fuel more quickly than smaller ones, Vega’s main-sequence lifetime is roughly one billion years, a tenth of the Sun’s.