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The apparent magnitude of the Sun is listed as -26.74. I want to know what is the formula used to compute this? How is this figure of -26.74 arrived at? Can this formula be employed for calculating the apparent magnitudes of stars of different spectral types too?

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15y ago

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What is an apparent magnitude?

Apparent magnitude is a measure of how bright a celestial object appears from Earth. It is a logarithmic scale where lower numbers indicate brighter objects. Apparent magnitude takes into account the intrinsic brightness of the object as well as its distance from Earth.


What is the relationship between the apparent magnitude and the brightness of a celestial object?

The apparent magnitude of a celestial object is a measure of its brightness as seen from Earth. The lower the apparent magnitude, the brighter the object appears in the sky. This means that a celestial object with a lower apparent magnitude is brighter than one with a higher apparent magnitude.


What is an example absolute brightness?

Anything that is not the measure of intrinsic brightness of a celestial object.


Are absolute magnitude and apprent magnitude the same thing?

No, absolute magnitude and apparent magnitude are not the same thing. Apparent magnitude is a measure of how bright an object appears from Earth, taking into account its distance and intrinsic brightness. Absolute magnitude, on the other hand, is a measure of how bright an object would appear if it were located at a standard distance of 10 parsecs (32.6 light-years) away from Earth.


What is a stars apparent magnitude?

An apparent magnitude is a measure of how bright a star appears from Earth. The lower the apparent magnitude, the brighter the star appears in the night sky. Negative values indicate very bright stars, while positive values indicate fainter stars.

Related Questions

Use apparent magnitude in a sentence?

The apparent magnitude of a star is a measure of its brightness.


What is the measure of the star's brightness?

The measure of a star's brightness is its magnitude. A star's brightness as it appears from Earth is called its Apparent Magnitude.Star's brightness is measured by there magnitude.


What the measure of a stars brightness called?

The measure of a star's brightness is its magnitude. A star's brightness as it appears from Earth is called its Apparent Magnitude.Star's brightness is measured by there magnitude.


How bright a star appears as seen earth is called?

Apparent magnitude is the measure of how bright a star appears as seen from Earth. This scale is based on a star's brightness perceived by human observers. The lower the apparent magnitude, the brighter the star appears.


What is the apparent brightness of a star as represented by a number on a logarithmic scale?

The apparent brightness of a star is represented by its apparent magnitude, which is a logarithmic scale used to measure the brightness of celestial objects as seen from Earth. The lower the apparent magnitude number, the brighter the star appears in the sky. Each increase of one magnitude corresponds to a brightness factor of 2.5.


Compare apparent magnitude and absolute magnitude?

Apparent magnitude is a measure of how bright a star appears from Earth, taking into account its distance and how much light it emits. Absolute magnitude, on the other hand, is a measure of a star's intrinsic brightness if it were observed from a standard distance of 10 parsecs. It helps in comparing the true brightness of stars regardless of their distance from Earth.


What is an astrometer?

An astrometer is a device designed to measure the brightness, relation, or apparent magnitude of stars.


What is an apparent magnitude?

Apparent magnitude is a measure of how bright a celestial object appears from Earth. It is a logarithmic scale where lower numbers indicate brighter objects. Apparent magnitude takes into account the intrinsic brightness of the object as well as its distance from Earth.


How are absolute magnitude and apparent magnitude alike?

Absolute magnitude and apparent magnitude are the same because they are both ways on how to measure the brightness of a star. Absolute magnitude is how bright is the star if we will see it in a 32.616 light-years distance while apparent magnitude is the brightness of it that we see on Earth.


What is the relationship between the apparent magnitude and the brightness of a celestial object?

The apparent magnitude of a celestial object is a measure of its brightness as seen from Earth. The lower the apparent magnitude, the brighter the object appears in the sky. This means that a celestial object with a lower apparent magnitude is brighter than one with a higher apparent magnitude.


Why does a star look smaller than another star but is bigger than the other star?

Normally you would observe the star's brightness, not its apparent diameter.The star's apparent brightness ("apparent magnitude") depends on its real brightness ("absolute magnitude"), and on the distance. Similarly, the star's apparent angular diameter (which is VERY hard to measure) would depend on its actual diameter, and on the distance.


What is the apparent Magnitude of the milky way?

The apparent magnitude of an object is a measure of it's brightness as seen from Earth.As we are located within the Milky Way, this value is impossible to obtain.The Milky Way has a estimated absolute magnitude of -20.9