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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]
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]
A domestic clock housed in a wooden case, it gives indications including the solar, mean and sidereal time around the world, the positions of the constellations and planets, and the appearance of Halley's Comet. [17] Sint-Truiden. The astronomical clock constructed by Kamiel Festraets between 1937 and 1942 is now housed in the Festraets Museum.
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.
NGC 1252 is a metal-poor, possible open cluster or open cluster remnant located in the constellation Horologium, containing around 20 stars.Discovered in 1834 by John Herschel, it was described by John Louis Emil Dreyer as an 8th-magnitude star surrounded by a group of 18 or 20 stars.
λ Horologii, Latinised as Lambda Horologii, is a star in the southern constellation of Horologium. It is a yellow-white hued star that is dimly visible to the naked eye with an apparent visual magnitude of +5.35. [2] Based upon parallax, this object is located 155 light years distance from the Sun.
Beta Horologii, Latinized from β Horologii, is the third-brightest star in the southern constellation of Horologium. It is faintly visible to the naked eye with an apparent visual magnitude of 4.98. [2] Based upon an annual parallax shift of 11.07 mas as seen from Earth, [2] it is located about 295 light years from the Sun.