Table of Contents
What is alnitak surface temperature?
Alnitak Aa is around 250.000 times brighter than our sun and it is the hottest star of its system with a surface temperature of around 29.500 K.
What is the apparent magnitude of alnitak?
1.74
Alnitak/Magnitude
What is the luminosity of alnitak?
100,000 L☉
Alnitak/Luminosity
Alnitak has a spectral type of O9. 5Ib, a surface temperature of 30,000° Kelvin and a luminosity 100,000 times the Sun. It has a mass of 28 solar masses and a diameter 20 times the Sun.
How far is alnitak from the Sun?
1,262 light years
Alnitak/Distance to Earth
What color are Orion’s stars?
blue-white
Stars differ in colour. Most of the stars in the constellation Orion visible to the naked eye are blue-white, most notably Rigel (Beta Orionis), but Betelgeuse (Alpha Orionis) is a deep red. In the telescope, Albireo (Beta Cygni) is seen as two stars, one blue and the other orange.
What star is in the middle of Orion’s belt?
Alnilam
Alnilam in Orion, the Hunter, as seen in early winter. Alnilam is the middle star in the famous three-member belt of Orion, the Hunter. The belt is so easily recognizable because all three stars are spaced evenly in a (roughly) straight line and appear to be about the same brightness.
What color are the three stars in Orion’s belt?
Alnilam, the center star in the belt, means “a belt of pearls”. And Alnitak, the eastern-most star, means the girdle….Orion’s Belt Stars.
Fact Table | |
---|---|
Name | Alnilam |
Brightness | 18,000 times greater than the Sun |
Surface Temperature | 50,000 F |
Color | White-blue |
What color is the star alnitak?
blue
It is one of the three main stars of Orion’s Belt along with Alnilam and Mintaka. The primary star, Alnitak Aa, is a hot blue supergiant with an absolute magnitude of −6.0 and is the brightest class O star in the night sky with a visual magnitude of +2.0.
What is the lifespan of alnilam?
Alnilam – Epsilon Orionis –belongs to the Orion OB1 association in the subgroup OB1b which is part of the Orion Molecular Cloud Complex – a star-forming region with stellar ages ranging up to 12 million years old.
Is alnilam brighter than the Sun?
Alnilam. Alnilam (ε Orionis) is a supergiant, approximately 2,000 light-years away from Earth and magnitude 1.70. It is the 29th-brightest star in the sky and the fourth-brightest in Orion. It is 375,000 times more luminous than the Sun.
What are the 3 stars in a row?
Orion’s Belt or the Belt of Orion, also known as the Three Kings or Three Sisters, is an asterism in the constellation Orion. It consists of the three bright stars Alnitak, Alnilam, and Mintaka.