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The apparent magnitude of our sun is -26.73 whereas Vega is +0.03
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Is Vega or Betelgeuse the brightest star?
Brightness is a function of a stars luminosity as observed from Earth. So our Sun is the brightest. Vega has an apparent magnitude of: 0.03 Betelgeuse has an apparent magnitude of 0.42 So, in apparent magnitude, Vega is brighter.
What star is the brightest?
The Sun (Sol) has an apparent magnitude of - 26.74Siruis (Dog star) with an apparent magnitude of -1.47 (Brightest in the Northern Hemisphere)Canopus with an apparent magnitude of -0.72 (Brightest in the Southern Hemisphere)Arcturus with an apparent magnitude of -0.04 (Variable)Alpha Centauri A with an apparent magnitude of -0.01Vega with an apparent magnitude of 0.03Rigel with apparent magnitude of 0.18Procyon with apparent magnitude of 0.34Achernar with apparent magnitude of 0.50Betelgeuse with apparent magnitude of 0.58 (Variable)A lower number means more brightness. All of these are apparent magnitudes. If you mean intrinsic magnitude, the answers are somewhat different. Sirius and Alpha Centauri A are bright because they're close to us. Canopus, on the other hand, is much brighter, but also much further away (Sirius is about 8 light years away; Canopus is more than 300 light years away).Off subject:Some planets are brighter (in apparent magnitude) than stars; for example, when Venus appears in the sky, she is always the brightest object (after the Sun and the Moon). In fact, Venus is bright enough to be seen in the broad daylight, if you know where to look. Planets look like stars, but their movement between the stars can be detected if you observe them just for a few nights.
Is sun the brightest star?
The brightness of a star is usually referred to as its magnitude. Every star has two magnitudes. The apparent magnitude is how bright it appears to us here on earth. The absolute magnitude is the apparent magnitude that the star would have, if it were viewed from a standard distance. The apparent magnitude of our sun is vastly greater than that of any other celestial object. In terms of absolute magnitude, our sun can't begin to compare with some of the big bright stars in the universe.
What are three brightest stars in the Leo constellation?
The three brightest stars in Leo the Lion are : Alpha Leonis or Regulus (the Lion's heart) with an apparent magnitude of 1.35, Beta Leonis or Denebola (the Lion's tail) with an apparent magnitude of 2.14 and Gamma Leonis or Algieba (where the Lion's mane meets his body) with an apparent magnitude of 1.98 Hope that helps!
Order of brightness between Io Europa Ganymede and Callisto?
From Brightest to Dimmest: Ganymede Io Europa Callisto Use JPL's HORIZONS web ephemeris to look up apparent magnitudes of jovian satellites.
How do you describe the stars of the first magnitude?
"First magnitude" usually means the brightest 21 stars, as seen from Earth. Another definition is stars with apparent magnitudes 0.5 to 1.5. This definition excludes the very brightest stars, like Sirius. They are the first stars that become visible after sunset and they all have names. Examples are Altair, Aldebaran, Capella, Spica, Antares, Fomalhaut, Deneb, Regulus, Sirius, etc. There can be confusion because First Magnitude stars are not stars with an "apparent magnitude" of exactly "one". They are just the brightest stars, but naturally their magnitudes are close to one.
What is the magnitudes stars of Pisces?
There are 86 stars in the constellation which appear in the Bayer/Flamsteed catalogues. There are no stars brighter than an apparent magnitude of 3. The brightest are Alrescha and Kullat Nunu (both mag 3.62).
What refers to the brightest star?
The Hertzsprung-Russell diagram is a scatter graph of stars showing the relationship between the stars' absolute magnitudes or luminosities versus their spectral types or classifications and effective temperatures.
What is the narked eye limit for apparent magnitude in an area with dark skies?
Under ideal conditions, the limit is about 6m. That's how the "m" was originally defined - 1m for the brightest stars, 6m for the faintest that could be seen with the naked eye. (However, with the modern definition, the brightest stars have an apparent magnitude of less than 1m - even negative magnitudes.)
How big is 6.6 magnitude?
In the context of stars, a magnitude is not a measure of size but of brightness or apparent brightness. The apparent magnitude of the sun is -27 while Sirius, the brightest star has a magnitude of only -1.4: negative magnitudes are more bright, and stars with magnitudes greater than 6.5 are not visible to the naked eye. However, the sun is a star of modest modest size compared with some of the giants and supergiants.
Two stars whose apparent magnitudes differ from each other by five magnitudes have a ratio of brightness of?
About 97.7 (calculated as 2.55)
How 2 stars could have the same apparent magnitude but different absolute magnitudes?
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The Greeks assigned what magnitude to the brightest stars seen in the night sky?
The brightest stars were traditionally magnitude 1; the weakest that could still be seen with the naked eye, 6. This system has been formalized and refined; as a result, there are now not only magnitudes with decimals, but also negative magnitudes for the very brightest stars and planets. For example, Venus has a magnitude of approximately minus 4.
What is the name of one of the brightest stars?
The Sun. Yes, but apart from the Sun, what's the brightest? The answer is "Sirius". This is apparent brightness. There are a lot of brighter stars, but they are farther away.
Is Vega or Betelgeuse the brightest star?
Brightness is a function of a stars luminosity as observed from Earth. So our Sun is the brightest. Vega has an apparent magnitude of: 0.03 Betelgeuse has an apparent magnitude of 0.42 So, in apparent magnitude, Vega is brighter.
What appears to be the brightest star in the constellation big dipper?
Dubhe and Alioth are the brightest stars in the big dipper both with an apparent magnitude of 1.8.
What star is the brightest?
The Sun (Sol) has an apparent magnitude of - 26.74Siruis (Dog star) with an apparent magnitude of -1.47 (Brightest in the Northern Hemisphere)Canopus with an apparent magnitude of -0.72 (Brightest in the Southern Hemisphere)Arcturus with an apparent magnitude of -0.04 (Variable)Alpha Centauri A with an apparent magnitude of -0.01Vega with an apparent magnitude of 0.03Rigel with apparent magnitude of 0.18Procyon with apparent magnitude of 0.34Achernar with apparent magnitude of 0.50Betelgeuse with apparent magnitude of 0.58 (Variable)A lower number means more brightness. All of these are apparent magnitudes. If you mean intrinsic magnitude, the answers are somewhat different. Sirius and Alpha Centauri A are bright because they're close to us. Canopus, on the other hand, is much brighter, but also much further away (Sirius is about 8 light years away; Canopus is more than 300 light years away).Off subject:Some planets are brighter (in apparent magnitude) than stars; for example, when Venus appears in the sky, she is always the brightest object (after the Sun and the Moon). In fact, Venus is bright enough to be seen in the broad daylight, if you know where to look. Planets look like stars, but their movement between the stars can be detected if you observe them just for a few nights.
