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What does a star's position in the main sequence tell you about that star?
A star's position in the main sequence on the Hertzsprung-Russell diagram tells us its temperature, luminosity, and evolutionary stage. Stars in the main sequence are undergoing nuclear fusion in their core, converting hydrogen into helium. The more massive and brighter stars are found at the top left, while less massive and dimmer stars are at the bottom right of the main sequence.
What type of star is the sun classified as?
The sun is a G-type main-sequence star (G V). It may be referred to as a yellow dwarf, or G dwarf star. Alternately it may be called a main-sequence star of spectral type G and luminosity class V.
Where a main sequence star is located on the H-R diagram depends on its temperature and its?
The location of a main sequence star on the H-R diagram depends on its temperature and its luminosity (or brightness). Main sequence stars follow a diagonal band on the diagram, with hotter and more luminous stars located towards the top left and cooler and less luminous stars towards the bottom right.
What would be the absolute magnitude and color of a main sequence star with a luminosity of 100?
The absolute magnitude depends on the luminosity and distance, whereas the color depends on the temperature of the star. Without the distance information, we can't determine the absolute magnitude. For a main sequence star with a luminosity of 100 times that of the Sun, it would likely fall in the range of spectral classes O to F, appearing blue-white to white in color.
Does smaller mass stars have a greater luminosity than larger mass stars?
This is not necessarily true. most of the time stars with a larger diameter have more mass but some stars with a smaller diameter are more dense and have a greater mass. Find a main sequence star chart and you can compare the data.
Which type of star best obey mass-luminosity relation?
Main sequence stars best obey the mass-luminosity relation. This empirical relation states that there is a direct relationship between a star's mass and its luminosity. In general, the more massive a main sequence star is, the more luminous it will be.
How does the diameter and luminosity of a main sequence star change when it becomes a giant or a supergiant?
In that case, both the star's diameter and its luminosity greatly increase.
The star Algol is estimated to have approximately the same luminosity as the star Aldebaran and approximately the same surface temperature as the star Rigel Algol is best classified as a?
Algol is a blue main-sequence star in the constellation Perseus
What does a star's position in the main sequence tell you about that star?
A star's position in the main sequence on the Hertzsprung-Russell diagram tells us its temperature, luminosity, and evolutionary stage. Stars in the main sequence are undergoing nuclear fusion in their core, converting hydrogen into helium. The more massive and brighter stars are found at the top left, while less massive and dimmer stars are at the bottom right of the main sequence.
What is a Subdwarf star?
A star with luminosity class VI under the Yerkes Spectral Classification System. They have luminosity 1.5 to 2 magnitudes lower than main-sequence stars of the same spectral type.
What type of star is the sun classified as?
The sun is a G-type main-sequence star (G V). It may be referred to as a yellow dwarf, or G dwarf star. Alternately it may be called a main-sequence star of spectral type G and luminosity class V.
What is a Polaris star luminosity?
The main star in the Polaris system has a luminosity which is 2500 times that of the Sun.
Where a main sequence star is located on the H-R diagram depends on its temperature and its?
The location of a main sequence star on the H-R diagram depends on its temperature and its luminosity (or brightness). Main sequence stars follow a diagonal band on the diagram, with hotter and more luminous stars located towards the top left and cooler and less luminous stars towards the bottom right.
Measurements indicate that a certain star has a very high luminosity 100000 times your sun but yet has a temperature that is cooler than the sun?
It could be a main sequence star.
What would be the absolute magnitude and color of a main sequence star with a luminosity of 100?
The absolute magnitude depends on the luminosity and distance, whereas the color depends on the temperature of the star. Without the distance information, we can't determine the absolute magnitude. For a main sequence star with a luminosity of 100 times that of the Sun, it would likely fall in the range of spectral classes O to F, appearing blue-white to white in color.
Does smaller mass stars have a greater luminosity than larger mass stars?
This is not necessarily true. most of the time stars with a larger diameter have more mass but some stars with a smaller diameter are more dense and have a greater mass. Find a main sequence star chart and you can compare the data.
What does a star's position in the main sequence tell you about the star?
A star's position on the main sequence indicates its mass, temperature, luminosity, and evolutionary stage. Stars fuse hydrogen into helium in their cores while on the main sequence. The more massive the star, the hotter, brighter, and shorter its lifespan.
