Rigel (β Ori / β Orionis / Beta Orionis) is the brightest star in the constellation Orion and the sixth brightest star in the sky, with visual magnitude 0.18. Although it has the Bayer designation "beta", it is almost always brighter than Alpha Orionis (Betelgeuse).
Rigel is a blue supergiant star that is well beyond the current range of accurate parallax measurements; spectroscopic estimates place its distance between 700 and 900 light-years (21...
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Rigel
Astronomy
Constellation
Orion
Orion, often referred to as "The Hunter," is a prominent constellation located on the celestial equator and visible throughout the world. It is one of the largest, most conspicuous, and most recognizable in the night sky. Its name refers to Orion, a hunter in Greek mythology.
Orion includes the...
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Betelgeuse
Betelgeuse is a semiregular variable star located approximately 640 light-years from the Earth. It is Alpha Orionis (α Orionis / α Ori), but the second brightest star in the constellation Orion and the ninth brightest star in the night sky. Although Betelgeuse has the Bayer designation α, Rigel ... -
Zeta Orionis
Zeta Orionis (ζ Ori), traditionally known as Alnitak (Arabic: النطاق an-niṭāq), is a triple star some 800 light years distant in the constellation Orion. Together with Delta Orionis (Mintaka) and Epsilon Orionis (Alnilam), the three stars make up the belt of Orion, known by many names across many... -
Pi3 Orionis
Pi Orionis (π Ori / π Orionis), formally designated Tabit, is a white F-type dwarf star approximately 26 light-years away in the constellation of Orion. It is thought that the star may, in fact, be a binary star system. Though no extrasolar planets have been observed around Pi Orionis, the star is... -
Chi1 Orionis
Chi Orionis (χ Ori / χ Orionis) is a star about 32 light years away. It is in the constellation Orion. χ Ori is a main sequence dwarf star of spectral type G0V. It has a faint companion with a mass estimated at about 15% of the mass of the Sun, an orbital period of 14.1 years, and an estimated... -
Gamma Orionis
Gamma Orionis (γ Ori / γ Orionis), or Bellatrix, is the third brightest star in the constellation Orion and the twenty-seventh brightest star in the nighttime sky. The name Bellatrix is Latin for female warrior. It is also known as the Amazon Star or Gamma Orionis. It was once thought to belong to... -
Delta Orionis
Delta Orionis (δ Ori), traditionally known as Mintaka (from منطقة manţaqah, which means "area or region" in Arabic) , is a star some 900 light years distant in the constellation Orion. Together with Zeta Orionis (Alnitak) and Epsilon Orionis (Alnilam), the three stars make up the belt of Orion,... -
Kappa Orionis
Kappa Orionis (κ Ori / κ Orionis / 53 Orionis) is the sixth-brightest star in the constellation of Orion. It has the traditional name Saiph. Of the four bright stars that compose Orion's main quadrangle, it is the star at the south-eastern corner. A northern-hemisphere observer facing south would... -
Pi4 Orionis
Pi4 Orionis (π Ori / π Orionis) is a spectroscopic binary star in the constellation Orion. It is about 1,300 light years away and is one of the most luminous stars known. It is one of a series of stars that share the Bayer designation Pi Orionis. -
Sigma Orionis
Sigma Orionis or Sigma Ori (σ Orionis / σ Ori) is a five star system in the constellation Orion. It is approximately 1,150 light years from Earth. The primary component is the binary, Sigma Orionis AB, with the two stars being a mere 0.25 arcseconds apart. Both stars are hydrogen-fusing dwarfs only... -
HD 37017
HD 37017 or V1046 Ori, a is a spectroscopic binary. It is part of star cluster NGC 1977.