answersLogoWhite

0

Betelgeuse is a semiregular variable star located in the constellation Orion.

It is the second brightest star in the constellation and the ninth brightest star in the night sky.

It has an apparent magnitude of 0.58 (Var 0.3 -> 1.2) and an absolute magnitude of -5.14.

See related link for more information.

User Avatar

Wiki User

15y ago

What else can I help you with?

Related Questions

What is the absolute brightness of Betelgeuse?

-6.02


Is Betelgeuse one of the 20 brightest stars?

Betelgeuse varies in brightness a bit, but it's around #8 in brightness.


Who is the supergiant in Orion?

The supergiant star in Orion is Betelgeuse. It is one of the brightest stars in the Orion constellation and is easily visible to the naked eye. Betelgeuse is a red supergiant and is known for its varying brightness.


What is the absolute magnitude of Betelgeuse?

The absolute magnitude of Betelgeuse is -6.05


Is Betelgeuse a pulsating star?

Yes: Betelgeuse is a semiregular variable star so it is classed as a pulsating star.


Which star is brighter Vega or Betelgeuse?

Brightnest is a factor of luminousity and distance as seen from Earth. (Apparent magnitude)Vega - 0.03.Betelgeuse: 0.42So Betelgeuse is brighter as viewed from Earth.


Why is Betelgeuse so luminous?

Betelgeuse is luminous because it is a red supergiant star in the late stages of its evolution. Its large size and high brightness are due to its immense amount of energy being produced as it fuses heavy elements in its core, leading to its intense brightness compared to smaller, main-sequence stars.


What is the luminosity of Betelgeuse?

Betelgeuse has a luminosity that is around 100,000 times that of the Sun. It is classified as a red supergiant star and is one of the brightest stars visible to the naked eye. Despite its high luminosity, Betelgeuse is also known for its variability in brightness.


What is betelgouse?

Betelgeuse is a red supergiant star located in the constellation of Orion. It is one of the largest and brightest stars visible to the naked eye from Earth. Betelgeuse is known for its variable brightness and is expected to eventually explode in a supernova.


What is the period of the variable star betelgeuse?

Betelgeuse is a semi-regular variable star, meaning it does not have a consistent period like a regular variable star. Its brightness fluctuates irregularly over periods of months to years.


Where is Betelgeuse on Doppler Shift?

Betelgeuse is a red supergiant star located in the Orion constellation. Its light exhibits a small Doppler shift due to its motion relative to Earth, but this shift is not significant compared to its overall distance and size. The Doppler shift of Betelgeuse's light is mainly influenced by its own pulsations and variations in brightness.


What are some surface features on Betelgeuse?

Betelgeuse is a red supergiant star located in the constellation of Orion. It is known for its irregular shape and variability in brightness, which is attributed to its pulsations and changes in its surface temperature and size. Betelgeuse also exhibits large convective cells on its surface that contribute to its complex and dynamic appearance.