well v838 Mon is about 600,000 times more luminous(bright) than our sun
2 magnitudes brighter means it's about 2.512 x 2.512 times brighter. So that's about 6.31 times brighter.
300,000,000,000,000 times brighter than the sun
It is four times as brighter. It is four times as brighter.
Betelgeuse has a radius approximately 1,000 times greater than our own Sun. See link for more information
Rigel has a luminosity of 66,000 times greater than our Sun.However, in apparent magnitude (Brightness) it has a magnitude of 0.18 whereas the Sun is -26.73.
There are many stars that are brighter than the sun. Deneb shines the brightest in the constellation Cygnus and is much farther from Earth than most of the other stars you see. Deneb is about 100,000 times brighter than the Sun. HR 5171, has a diameter 1,300 times the sun and is a million times brighter than the sun. R136a1 weighs up to 300 times the mass of the Sun and is close to 10 million times brighter than the sun.
4 times
4 times as bright.
Good, a nice question with a definite answer. The magnitude1 star is 2.512 times brighter (near enough).
100.4, which is approximately 2.512.
Who wants to be a millionaire with Eddie Macguire says that it is 4 times as bright but i can not give a scientific reason for this answer
4 times as bright. This is calculated as 1/22.