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The "supergiant" stars are the brightest stars on the H-R diagram.

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Q: What is the brightest star on the H-R diagram?
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Related questions

What is the brightest star on the Hr diagram?

i don't know about the hr diagram but the brightest star known is r136a1


Why is the hr diagram important to scientist?

The main reason that the HR Diagram is so useful and important to scientists is, you can tell the size of the star by plotting it on the HR Diagram. The different sizes of stars form a pattern on the HR diagram.


What chart show is the characteristics of a star?

HR diagram


Which region contains the most stars in the HR Diagram?

Several regions of the HR diagram have been given names, although stars can occupy any portion. The brightest stars are called supergiants. Star clusters are rich in stars just off the main sequence called red giants. Main sequence stars are called dwarfs.


Where does a star spend most of its life on an hr diagram?

On the main sequence.


Where is the Sun in the H-R diagram?

Our Sun is a G2V star and will thus appear in the centre of the HR diagram.


What information is need to plot a star on h-r diagram?

You need to know the luminosity and temperature of star in order to plot it on the HR diagram.


What information is needed to plot a star on the H-R diagram?

You need to know the luminosity and temperature of star in order to plot it on the HR diagram.


What are the largest stars in the HR Diagram?

The largest stars would also be the brightest and that would put them near the top of the Hertzprung Russell diagram. The Sky Catalogue 2000.0 lists 50,071 stars of brightness down to magnitude 8.0. The brightest star is Rho Cassiopeiae with an absolute magnitude of -9.5, which is about 400,000 times more luminous than the Sun, and its spectrum is G2 like the Sun.


Are most of the stars on the HR diagram are classified as which type of star?

stars there called stars


What type of star has a high temperature and low luminosity in the HR diagram?

White dwarfs.


What type of star has a high temperature and a high luminosity in the hr diagram?

White dwarfs.