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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.
Nu Ophiuchi and its brown dwarf companion Nu Ophiuchi b. Nu Ophiuchi has about three times the mass of the Sun and is roughly 340 million years old. [6] 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.
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 ...
The name Alpha Ophiuchi is a Romanisation of the star's Bayer designation, α Ophiuchi.It is also known by the traditional name Rasalhague, from the Arabic رأس الحواء raʼs al-ḥawwāʼ "the head of the serpent collector". [12]
Delta Ophiuchi (δ Ophiuchi, abbreviated Delta Oph, δ Oph), formally named Yed Prior / ˌ j ɛ d ˈ p r aɪ ər /, [13] [14] is a star in the constellation of Ophiuchus.It forms a naked-eye optical double with Epsilon Ophiuchi (named Yed Posterior [14]).