Table of Contents
What object has highest absolute magnitude?
The Sun
The Sun has absolute magnitude MV=+4.83. Highly luminous objects can have negative absolute magnitudes: for example, the Milky Way galaxy has an absolute B magnitude of about −20.8….More advanced models.
| Planet | Approximation for | |
|---|---|---|
| Mars | −1.601 | (for ) (for ) |
| Jupiter | −9.395 | (for ) (for ) |
What is the absolute magnitude of a star?
In star: Measuring starlight intensity. The absolute magnitude of a star is defined as the magnitude it would have if it were viewed at a standard distance of 10 parsecs (32.6 light-years). Since the apparent visual magnitude of the Sun is −26.75, its absolute magnitude corresponds to a diminution in brightness…
Which stars that would have a greater apparent magnitude?
(right) However, star A is actually a more luminous star that is further away from the Earth than than star B. Two objects that have the same apparent magnitude, as seen from the Earth, may either be: At the same distance from the Earth, with the same luminosity….
| Star | Sun | Rigel |
|---|---|---|
| mv | -26.8 | 0.14 |
| Mv | 4.83 | -7.1 |
| d (pc) | 0 | 276.1 |
What is the brightest absolute magnitude?
Absolute magnitudes are how bright a star would appear from some standard distance, arbitrarily set as 10 parsecs or about 32.6 light years. Stars can be as bright as absolute magnitude -8 and as faint as absolute magnitude +16 or fainter.
Which has a greater luminosity a star with absolute magnitude 4 or a star with absolute magnitude 6?
A fourth magnitude star is 2.512 times as bright as a fifth magnitude star, and a second magnitude star is (2.512)4 = 39.82 times brighter than a sixth magnitude star. …
What is brightest star in sky?
Sirius
Bottom line: Sirius is the brightest star in the night sky as seen from Earth and is visible from both hemispheres. It lies just 8.6 light-years away in the constellation Canis Major the Greater Dog.