What is the magnitude of alnilam?
What is the magnitude of alnilam?
1.7
Alnilam/Magnitude
Alnilam, also designated as ε Orionis (epsilon Orionis), is a variable and double hypergiant star in the constellation of Orion. Alnilam visual magnitude is 1.7, making it the 28th brightest star in the sky.
What is the luminosity of alnilam?
832,000 L☉
Alnilam/Luminosity
Alnilam is a supergiant star of the spectral type B0 Ia, appearing bluish or blue-white in colour. It is about 40 times more massive than the Sun and has a radius 32.4 times solar. Its estimated luminosity is in the range between 275,000 and 832,000 times that of the Sun.
What is the color of alnilam?
White-blue
Orion’s Belt Stars
| Fact Table | |
|---|---|
| Name | Alnilam |
| Surface Temperature | 50,000 F |
| Color | White-blue |
| Mass | 20 times the mass of the Sun |
Where is alnitak located?
constellation of Orion
Alnitak is located in the constellation of Orion, the celestial hunter. It is part of the three stars forming the hunter’s belt, being the easternmost star of the three. Orion’s Belt is often used to search for the constellation itself. The other two stars forming this asterism are Mintaka and Alnilam.
Does Orion’s belt move?
Orion, like all the stars and constellations, shifts westward as the seasons pass. Unless they’re in the far northern or southern sky – and therefore circumpolar – all stars and constellations spend some portion of each year hidden in the sun’s glare.
Is Alnilam brighter than alnitak?
Alnitak is a triple star system that is situated in the eastern end of Orion’s belt. The star is 1.260 light-years away from Earth. Alnilam is a supergiant at around 2.000 light-years away from Earth, located in the middle of the belt. It is 190.000 times more luminous than the Sun.
Is alnilam brighter than alnitak?
Is alnilam brighter than the Sun?
Alnilam is at least 30 times the mass of the Sun, and 275,000 times brighter. But it could be twice as massive as that, and three times as bright. The wiggle room is caused by uncertainty in the star’s distance. Most research says it’s about 1350 light-years away.
Is star hotter than Sun?
NO. The hottest stars have surface temperatures of 50,000 Kelvin degrees. The Sun surface is only 5800 Kelvin degrees, which means that there are hotter starts than the Sun.
What kind of star is the star Alnilam?
Alnilam is a very luminous Supergiant Star type star. Alnilam is a main star in the constellation Orion and makes up the constellation outline. Based on the spectral type (B0 Ia) of the star, the star’s colour is blue .
How big is Alnilam in light years from Earth?
Using the original Hipparcos data that was released in 1997, the parallax to the star was given as 2.43000 which gave the calculated distance to Alnilam as 1342.24 light years away from Earth or 411.52 parsecs. If you want that in miles, it is about 7,890,526,120,901,968.69, based on 1 Ly = 5,878,625,373,183.61 miles.
What is the apparent magnitude of Alnilam Orion?
Alnilam has an apparent magnitude of 1.69 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. If you used the 1997 Parallax value, you would get an absolute magnitude of -6.38 If you used the 2007 Parallax value, you would get an absolute magnitude of -7.22.
What is the luminosity and mass of Alnilam?
A more recent detailed analysis of Alnilam across multiple wavelength bands produced very high luminosity, radius, and mass estimates, assuming the distance of 606 parsecs suggested by the Hipparcos new reduction.