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Arcturus has a spectral class of K1 and has a temperature of around 4,700 K It is a red supergiant and has a radius 25 times that of our Sun. See related link for a pictorial representation against our Sun.

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What is the spectral class of arcturus?

Arcturus is classified as a K-type star, specifically as a K1.5 IIIpe star. It is an orange giant star located in the constellation of Booötes.


What class is Arcturus star in?

Arcturus is in class A.


Is arcturus a double star?

Arcturus is not a double star; it is classified as a single giant star, specifically a red giant of spectral type K1. However, it does have a very faint companion that is often not considered in the context of double stars due to its low brightness. This companion is not a part of Arcturus's primary system but is instead a background star. Therefore, Arcturus is primarily known as a solitary star.


Is Arcturus star a part of a binary or multiple system?

No. Arcturus is believed to be a single star.


What is arcturus in Hawaii?

Arcturus is the Zenith Star of the Hawaiian Islands


Is Arcturus a nebula?

No, Arcturus is a red giant star, not a nebula.


What does the term arcturus mean in English?

Arcturus means the Guardian of the Bear and is a star in the sky. Arcturus is the brightest star in the constellation Bootes. This star looks like a left foot.


Temperature of star Arcturus?

Star Arcturus has a temperature of around 3,700 to 5,200 Kelvin.


What constellation is Arcturus located in?

The Arcturus Star is located in the constellation Bootes.


Is Arcturus one of the planets?

No, Arcturus is not a planet. It is a red giant star located in the constellation of Boötes. It is one of the brightest stars in the night sky and is visible to the naked eye.


What is arcturus named after and what does it stand for?

Arcturus is the name of a star - also known as Alpha Bootes.


What Star is in Herdsman?

Arcturus is in the constellation Herdsman.