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Its apparent magnitude is about 2, but it's slightly variable.

Usually it's given as 1.97v (where v means variable).

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11y ago

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What is polaris apparent magnitude?

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What is the color size and apparent brightness of polaris?

The main star in the Polaris system, Polaris Aa, is a yellow super-giant, with a radius which is 46 +/- 3 times that of the sun. Its apparent magnitude is 1.98 but it is a Cepheid variable.


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That object is easily visible with a pair of binoculars. A star's apparent brightness is exactly 100 times less than another star if its apparent magnitude is +5 greater. So, the star of magnitude 7.3 appears 100 times fainter than a star of magnitude 2.3. (Polaris is a bit brighter than magnitude 2.3).


Is the star's apparent magnitude the intrinsic property of a star?

No. Absolute magnitude is an intrinsic property of the star, but apparent magnitude also depends on the star's distance from Earth.


What is the difference between apparent magnitude and surface magnitude?

The two types are apparent magnitude, the magnitude of a star as it appears to us, and absolute magnitude, which is what a star's apparent magnitude would be at a standard distance of ten parsecs.


How bright a star appears as seen earth is called?

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How bright is the star Ankaa i.e. what is its apparent magnitude?

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How does the apparent-magnituede of a star differ from it absolute magnitude?

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