Saiph is a star in the constellation Orion with an apparent magnitude of 2.2; represents on of Orion's feet
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Sadalsuud is pale yellow in color.
Sadalsuud is a yellow supergiant star located in the constellation Aquarius. It is classified as an F-type star and is around 540 light-years away from Earth. It is one of the brightest stars in its constellation.
Magnitude refers to the brightness of a star. There are two main types: apparent magnitude, which is how bright a star appears from Earth, and absolute magnitude, which measures a star's intrinsic brightness.
A star with a magnitude of 1 is the brightest, followed by a magnitude of 2 and then a magnitude of 3. The lower the magnitude, the brighter the star appears in the sky.
For apparent magnitudes, a magnitude of zero has the same magnitude as Vega. A first magnitude star is 40 percent as bright and a fifth magnitude star is one percent. So, a first magnitude star is 40 times as bright as a fifth.