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Antares has a spectral class of M1LB.

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What is Vega spectral class?

The spectral class is A0Va.


What is the least luminous spectral class?

Spectral class Y, which is typical of "brown dwarf" stars.


What is the spectral class for sirius?

Sirius is a double star. The brighter component ... the one you actually notice in the night sky ... is spectral class A1V. The faint 'secondary' component is spectral class DA2.


What is the luminosity of an Antares?

Antares or Alpha Scorpii is a red supergiant star of spectral type M1.5 Iab. It is about 65,000 times more luminous than our sun.


How many stars does antares have?

Antares (Alpha Scorpii) is a huge red hypergiant star, with a radius 800 times that of our own sun. There are some bigger stars though, such as Betelgeuse (1180 solar radii) and V354 Cephei (1520 solar radii), but the biggest known star is VY Canis Majoris, which is estimated to have a diameter between 1800 and 2100 times that of our own sun. If it were in the centre of our solar system its edges would almost reach the orbit of Saturn.


What is spectral class?

Spectral class is a classification system for stars based on their temperature and spectral characteristics. It categorizes stars into different groups, such as O, B, A, F, G, K, and M, with O being the hottest and M being the coolest. Spectral class is indicated by a letter, with additional subtype information denoted by a number.


Of the spectral classes the highest temperature class is designated as what?

The O spectral class is the highest temperature class. Stars in this class are extremely hot and blue in color, with surface temperatures exceeding 30,000 K.


Two stars of the same spectral class must have the same what?

Two stars of the same spectral class must have the same temperature and color. This classification system groups stars based on their temperature, with each spectral class representing a specific range of temperatures.


Is an O star blue or red?

A star with a spectral class of O is classified as a Blue Star. A red star will have a spectral class of M See related question


What does the spectral class letters mean?

The spectral class letters in astronomy represent the temperature and color of stars. The sequence starts with O (hottest and bluest stars) and ends with M (coolest and reddest stars). The spectral class letters are O, B, A, F, G, K, and M.


Is spectral class B in space hot or cold?

Spectral class is the categorization of stars by temperature and size, mostly the former. Spectral class B is very hot. In descending order (hottest to coolest) the spectral classes are O,B,A,F,G,K,M. You can see that B is very near the top.


What nearby star is in the same spectral class as the sun?

Alpha Centauri A is a nearby star that is in the same spectral class as the sun, which is G-class. It is the primary component of the Alpha Centauri star system, located about 4.37 light-years away from Earth.