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M2 variable.

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Class A

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Q: What is the spectral class of Sirius?
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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 does Sirius a look like?

Sirius A has a spectral type of A1V. So it has a colour of white to white blue.


Why would the star Sirius find that its spectral lines are blue shifted?

The spectral lines of Sirius are blueshifted because the star is moving more or less toward us.


Where is the Sirius star on h-r diagram?

Sirius is a binary star. Sirius A has a spectral type of A1V and will appear on the HR in the top left corner. Sirius B has a spectral type of DA2 and will appear on the HR in the bottom left corner as a white dwarf.


What is Vega spectral class?

The spectral class is A0Va.


What spectral class is the sun?

Our Sun has a spectral class of G2V.


What is the spectral class of Antares?

Antares has a spectral class of M1LB.


What is the least luminous spectral class?

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


What is spectral class?

Spectral class is classification of stars by their external features..Like light,temperature etc..


How far apart are Sirius A and Sirius B?

Sirius is a binary star system Sirius A and Sirius B.The distance separating Sirius A from B varies between 8.1 and 31.5 AU. (See related question).


What is Sirius?

Sirius is a binary system, that appears as a single star from EarthSirius A has an absolute magnitude of 1.42Sirius A has an apparent magnitude of -1.46Sirius B has an absolute magnitude of 11.18Sirius B has an apparent magnitude of 8.3See related question for the difference between absolute and apparent.


What is the temperature of Sirius B?

Sirius B is a white dwarf and has a spectral type of DA2. As it is a white dwarf, it is cooling all the time. It's current temperature is about 25,200 K