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Ophiuchus ( / ˌɒfiˈjuːkəs /) 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. The serpent is represented by the constellation Serpens.
The constellation Ophiuchus, as defined by the 1930 International Astronomical Union 's constellation boundaries, is situated behind the Sun from November 29 to December 18. [ 1] The idea appears to have originated in 1970 with Steven Schmidt's suggestion of a 14-sign zodiac, also including Cetus as a sign. A 13-sign zodiac has been promulgated ...
SIMBAD. data. Nu Ophiuchi (ν Oph, ν Ophiuchi) is a star in the equatorial constellation of Ophiuchus. The apparent visual magnitude is +3.3, [2] making it one of the brighter members of this constellation. Based upon parallax measurements made by the Gaia spacecraft, this star is located about 142 light-years (44 parsecs) from Earth.
Rho Ophiuchi is the small group of stars in the blue nebulosity (IC 4604). The central pair is known as Rho Ophiuchi AB. It consists of at least two blue-colored subgiants or main-sequence stars, designated Rho Ophiuchi A and B, respectively. [ 11] Rho Ophiuchi AB is a visual binary, and the sky-projected distance between the two stars appears ...
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Alpha Ophiuchi (α Ophiuchi, abbreviated Alpha Oph, α Oph), also named Rasalhague / ˈ r æ s əl h eɪ ɡ /, [11] [12] is a binary star and the brightest star in the constellation of Ophiuchus. Nomenclature
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. According to Richard H. Allen's Star Names: Their Lore and Meaning (1899), θ Oph together with ξ Oph formed the Sogdian Wajrik ...
Iota Ophiuchi. ι Ophiuchi, Latinized as Iota Ophiuchi, is a single [11] star in the equatorial constellation of Ophiuchus, positioned near the constellation border with Hercules. It makes a naked-eye double with nearby Kappa Ophiuchi, [12] appearing as a faint, blue-white hued star with an apparent visual magnitude of 4.39. [2]