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- Dictionaryabsolute magnitude
noun
- 1. the magnitude (brightness) of a celestial object as it would be seen at a standard distance of 10 parsecs.
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An object's absolute magnitude is defined to be equal to the apparent magnitude that the object would have if it were viewed from a distance of exactly 10 parsecs (32.6 light-years ), without extinction (or dimming) of its light due to absorption by interstellar matter and cosmic dust.
Mar 20, 2024 · Absolute magnitude is the brightness of a celestial object at a standard distance of 10 parsecs. Learn how to calculate it, why it is important in astronomy, and what objects have high absolute magnitudes.
Nov 21, 2023 · Absolute magnitude is the brightness of celestial matter when seen at 10 parsecs away. Learn how to calculate it using a logarithmic equation and see examples of stars with different absolute magnitudes.
Absolute magnitude is the brightness of a star if it were 10 parsecs away. Learn how to calculate it, see diagrams and applications, and find related topics in astronomy.
The meaning of ABSOLUTE MAGNITUDE is a measure of the intrinsic luminosity of a celestial body (such as a star) expressed as the apparent magnitude the body would have if viewed from a distance of 10 parsecs.
Absolute magnitude is the brightness an object would exhibit if viewed from a distance of 10 parsecs (32.6 light-years). The Sun’s absolute magnitude is 4.8. Bolometric magnitude is that measured by including a star’s entire radiation, not just the portion visible as light.
Oct 11, 2017 · Astronomers define star brightness in terms of apparent magnitude — how bright the star appears from Earth — and absolute magnitude — how bright the star appears at a standard distance of...
