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That the star has stopped fusing hydrogen in its core as its energy source.
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Where a main sequence star is located on the H-R diagram depends on its temperature and its?
Main sequence stars are located on the H-R diagram based on their luminosity or absolute magnitude verses their spectral class and effective temperature.
Name an example of a main sequence?
The sun is a main sequence star
Why is Sirius not a main sequence star?
Sirius is not a single star but a binary star system consisting of a white main sequence star and a white dwarf.
What does it mean when a star goes off the main sequence?
When a star "goes off the main-sequence" it generally means the star has run out of hydrogen fuel and is beginning the post-main-sequence or its end of life phase. The main sequence of a star is the time where it is no longer just a proto-star but is burning hydrogen as a primary source of fuel.
Is a white dwarf considered a main sequence star?
No, a white dwarf is not considered a main sequence star. A main sequence star is a star that is still fusing hydrogen in its core. A white dwarf is the remnant of a low to medium mass star in which fusion has stopped.
Is the sun a class g star?
Yes. Our Sun's classification, based on spectral class, is a main sequence G2V star. It designated as a yellow dwarf star. G2 indicates its surface temperature of approximately 5778 K (5505 °C), and V indicates that the Sun, like most stars, is a main sequence star.
Where a main sequence star is located on the H-R diagram depends on its temperature and its?
Main sequence stars are located on the H-R diagram based on their luminosity or absolute magnitude verses their spectral class and effective temperature.
What star category is the sun in?
Our Sun's classification, based on spectral class, is a main sequence G2V star. It is informally designated as a yellow dwarf star. It appears white from space, but yellow on earth due to scattering of the blue spectrum in our atmosphere. G2 indicates its surface temperature of approximately 5778 K (5500 °C), and V indicates that the Sun is a main sequence star.
What does the main sequence star represent?
A main-sequence star is one that is along a curve where the majority of stars are located, when plotted in an H-R diagram. It is a star that gets its energy from fusing hydrogen-1 into helium-4.
Is a red giant star considered to be a main sequence star?
No. Red giants are not on the main sequence.
Is Sirius A a main sequence star?
Polaris - the current North star is a multiple star system., consisting of the main star and smaller companions. The main star Alpha Ursae Minoris is a bright star, a 6 solar mass supergiant and it is a main sequence star. Orbiting very close to this main star is a white dwarf of roughly 1.5 solar masses. This is not a main sequence star. Orbiting further out is the third companion, a 1.39 solar mass star. This is a main sequence star. There are also two more distant components (α UMi C and α UMi D) - Polaris is thought to be part of an open cluster - I do not know if these later two stars are main sequence or not.
What star is the sun classified as?
Our Sun's classification, based on spectral class, is a main sequence G2V star. It designated as a yellow dwarf star, it appears white from space, but yellow on earth due to scattering of the blue spectrum in our atmosphere. G2 indicates its surface temperature of approximately 5778 K (5505 °C), and V indicates that the Sun, like most stars, is a main sequence star.
Does a red main sequence star have fusion?
A red main sequence star would be a red dwarf or a branch red giant. To be on the main sequence, you have to have hydrogen nuclear fusion.
Is the Sun a main sequence star or a red giant?
The Sun is a type G yellow dwarf, and is located on the main sequence. http://faculty.wcas.northwestern.edu/~infocom/The%20Website/evolution.html
Main sequence star distance from earth?
The sun is a main sequence star, so 1 AU.
Name an example of a main sequence?
The sun is a main sequence star
What is a stabilized star?
Main-Sequence star
