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Horologium constellation: showing the tangent line, or viewer's horizon, at latitude approx 23°N, which is parallel to the line of −67.04 declension, the lower declination boundary of the constellation. Covering a total of 248.9 square degrees or 0.603% of the sky, Horologium ranks 58th in area out of the 88 modern constellations. [7]
An astronomical clock, horologium, or orloj is a clock with special mechanisms and dials to display astronomical information, such as the relative positions of the Sun, Moon, zodiacal constellations, and sometimes major planets.
This is the list of notable stars in the constellation Horologium, sorted by decreasing brightness. Name B Var HD HIP RA Dec vis. mag. abs. mag. Dist. Sp. class Notes
Alpha Horologii (α Horologii) is a solitary [10] orange-hued giant star and the brightest star in the constellation Horologium. It is visible to the naked eye with an apparent visual magnitude of +3.85. [2] Based upon an parallax shift of 27.721 mas as seen from the Earth, it is located at a distance of 36 light-years (11 parsecs). [1]
Horologium (Latin for "clock") may refer to: Clock, a device for measuring the time; Astronomical clock, also sometimes distinguished as a horologium; Horologium Augusti, a solar marker built in ancient Rome by Augustus, once believed to have acted as a sundial; Horologium, a turret clock built in 1283 in Dunstable, UK
Nu Horologii, Latinized from ν Horologii, is the Bayer designation for a single [11] star in the southern constellation of Horologium. It was catalogued by the Dutch explorer Frederick de Houtman in 1603. [12] With an apparent visual magnitude of 5.3, [2] this star can be seen with the naked eye from the southern hemisphere.
And after the Singer advances the Astrologer (ὡροσκόπος), with a horologium (ὡρολόγιον) in his hand, and a palm (φοίνιξ), the symbols of astrology. He must know by heart the Hermetic astrological books, which are four in number. Of these, one is about the arrangement of the fixed stars that are visible; one on the ...
Delta Horologii (δ Horologii) is a binary star [3] system in the constellation Horologium. It is visible to the naked eye with a combined apparent visual magnitude of 4.93. [2] As of 2014, the pair had an angular separation of 0.20 arc seconds along a position angle of 24°. [9]