Omega Aurigae
Encyclopedia
4 Aurigae or Omega Aurigae (ω Aurigae) is a star
in the constellation
Auriga
. Its apparent magnitude
is 4.93. Its distance from the Sun
is 1,324,300 km. Its luminosity is 20.6 x the Sun. Its apparent diameter is 154 deg. 48' 4.6. Associated with EUVE J0459+37.8 is UV-emission source
(ADS 3572A and ADS 3572B).
Star
A star is a massive, luminous sphere of plasma held together by gravity. At the end of its lifetime, a star can also contain a proportion of degenerate matter. The nearest star to Earth is the Sun, which is the source of most of the energy on Earth...
in the constellation
Constellation
In modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, patterns formed by prominent stars within apparent proximity to one another on Earth's night sky....
Auriga
Auriga (constellation)
Auriga is a constellation in the northern sky. Its name is Latin for 'charioteer' and its stars form a shape that has been associated with the pointed helmet of a charioteer. It was one of the 48 constellations listed by the 2nd century astronomer Ptolemy, and remains among the 88 modern...
. Its apparent magnitude
Apparent magnitude
The apparent magnitude of a celestial body is a measure of its brightness as seen by an observer on Earth, adjusted to the value it would have in the absence of the atmosphere...
is 4.93. Its distance from the Sun
Sun
The Sun is the star at the center of the Solar System. It is almost perfectly spherical and consists of hot plasma interwoven with magnetic fields...
is 1,324,300 km. Its luminosity is 20.6 x the Sun. Its apparent diameter is 154 deg. 48' 4.6. Associated with EUVE J0459+37.8 is UV-emission source
Ultraviolet
Ultraviolet light is electromagnetic radiation with a wavelength shorter than that of visible light, but longer than X-rays, in the range 10 nm to 400 nm, and energies from 3 eV to 124 eV...
(ADS 3572A and ADS 3572B).