Distance
Apparent magnitude is 0.77 Absolute magnitude is 2.21Wikipedia lists its visual magnitude as 0.77.
Betelgeuse has an apparent magnitude of 0.58 and on absolute magnitude of -6.05.
The standard distance is 10 parsecs. At this distance the star's apparent magnitude equals its absolute magnitude. A star 100 parsecs away has an absolute magnitude 5 magnitudes brighter than its apparent magnitude. 1 parsec is 3.26 light-years.
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.
Apparent magnitude is the brightness of an object as seen from Earth without any atmosphere.Absolute magnitude is the brightness of an object as seen from a predetermined distance, depending on the object.For planets, the distance used is 1 AU (Astronomical Units). Stars and galaxies use 10 parsecs which is about 32.616 light years.The dimmer an object is the higher the positive value. The brighter an object is the higher the negative value.Examples:The Sun has an apparent magnitude of -26.74 but an absolute magnitude of 4.83Sirius has an apparent magnitude of -1.46 but an absolute magnitude of -1.42This means that from Earth, the Sun is a lot brighter, but if the Sun was replaced by Sirius, Sirius would be 25 times more luminous.See related links for more information
Distance
Antares Absolute and Apparent Magnitude Absolute Magnitude~ -5.2 Apparent Magnitude~ +0.60
How far away the star is.
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.
Absolute magnitude is how bright a star is. Apparent magnitude is how bright it looks to us (on Earth).
Apparent magnitude: How bright something looks to us. Absolute magnitude: How bright something really is - expressed as the apparent magnitude it would have at a standard distance.
Apparent magnitude is 0.77 Absolute magnitude is 2.21Wikipedia lists its visual magnitude as 0.77.
Sirius B is a faint white dwarf companion of Sirius A It has an apparent magnitude of +8.3 and an absolute magnitude of +11.18
Yes, it may change its absolute, and therefore also its apparent, magnitude.Yes, it may change its absolute, and therefore also its apparent, magnitude.Yes, it may change its absolute, and therefore also its apparent, magnitude.Yes, it may change its absolute, and therefore also its apparent, magnitude.
The apparent magnitude of Vega is 0.03. The absolute magnitude is 0.58.
Betelgeuse has an apparent magnitude of 0.58 and on absolute magnitude of -6.05.
An estimation of the absolute magnitude is −20.9. See related question.