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Ophiuchus (/ ˌ ɒ f i ˈ juː k ə s /) is a large constellation straddling the celestial equator. Its name comes from the Ancient Greek ὀφιοῦχος ( ophioûkhos ), meaning "serpent-bearer", and it is commonly represented as a man grasping a snake.
This is an accepted version of this page This is the latest accepted revision, reviewed on 22 December 2024. Proposed thirteenth astrological sign Serpent-bearer Astrology Background Worship of heavenly bodies History of astrology Astrology and astronomy Glossary Planets Behenian Classical Zodiac Traditions, types, and systems Astrology and science Astrologers Astrological organizations ...
Ophiuchus [ii] — — December 6 – December 31: Nov 29 – Dec 17 Sagittarius: Nov 22– Dec 21: Dec 16 – Jan 14: January 1 – January 26: Dec 17 – Jan 20 Capricorn: Dec 22 – Jan 19: Jan 15 – Feb 12: January 27 – February 21: Jan 20 – Feb 16 Aquarius: Jan 20 – Feb 18: Feb 13 – Mar 14: February 22 – March 20: Feb 16 – Mar 11
Theta Ophiuchi, Latinized from θ Ophiuchi, is a multiple star system in the equatorial constellation of Ophiuchus. It lies on the "right foot" of the serpent-bearer, just southwest of Kepler's Star, the nova of 1604.
λ Ophiuchi, Latinized as Lambda Ophiuchi, is a triple star system [3] in the equatorial constellation of Ophiuchus. [10] It has the traditional name Marfik / ˈ m ɑːr f ɪ k /, [11] which now applies exclusively to the primary component. [12] The system is visible to the naked eye as a faint point of light with an apparent visual magnitude ...
Rho Ophiuchi (ρ Ophiuchi) is a multiple star system in the constellation Ophiuchus. The central system has an apparent magnitude of 4.63. [2] Based on the central system's parallax of 9.03 mas, [1] it is located about 360 light-years (110 parsecs) away. [1] The other stars in the system are slightly farther away. [11]
Nu Ophiuchi and its brown dwarf companion Nu Ophiuchi b. Nu Ophiuchi has about three times the mass of the Sun and is roughly 450 million years old. [4] The spectrum of the star matches a stellar classification of K0 IIIa, [3] indicating it is a giant star that has exhausted the supply of hydrogen at its core and evolved away from the main sequence of stars.
Zeta Ophiuchi (ζ Oph, ζ Ophiuchi) is a single [9] star located in the constellation of Ophiuchus. It has an apparent visual magnitude of 2.6, making it the third-brightest star in the constellation. Parallax measurements give an estimated distance of roughly 440 light-years (130 parsecs) from the Earth. [1]