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Equuleus is a faint constellation located just north of the celestial equator.Its name is Latin for "little horse", a foal.It was one of the 48 constellations listed by the 2nd century astronomer Ptolemy, and remains one of the 88 modern constellations.
The constellation as a whole is often depicted as having the rough appearance of a stick-figure archer drawing its bow, with the fainter stars providing the outline of the horse's body. Sagittarius famously points its arrow at the heart of Scorpius , represented by the reddish star Antares , as the two constellations race around the sky.
The Omega Nebula is an H II region in the constellation Sagittarius.It was discovered by Philippe Loys de Chéseaux in 1745. Charles Messier catalogued it in 1764. It is by some of the richest starfields of the Milky Way, figuring in the northern two-thirds of Sagittarius.
KW Sagittarii is a red supergiant star, located approximately 2,420 parsecs (7,900 light-years) away from the Sun in the direction of the constellation Sagittarius.It is one of the largest known stars, with a diameter about 1,000 times larger than the Sun.
Omega Sagittarii, which is Latinized from ω Sagittarii, is a binary star system in the constellation of Sagittarius, [9] near the eastern constellation border with Capricornus. It is formally named Terebellum / t ɛr ɪ ˈ b ɛ l əm /. [10] [11] This system has a yellow hue and is faintly visible to the naked eye with an apparent visual ...
With an apparent visual magnitude of +3.3, [2] this is one of the brighter members of the constellation. The distance of this star from Earth is roughly 122 light-years (37 parsecs), based upon parallax measurements. [1] This is a spectral type K1 giant star with about 1.25 M ☉.
Beta 1 Sagittarii, Latinized from β 1 Sagittarii, is a binary star system in the zodiac constellation of Sagittarius, [11] next to the southern constellation border with Telescopium. The brighter primary is named Arkab Prior / ˈ ɑːr k æ b ˈ p r aɪ ər /, the traditional name of the system.
• Notes = Common name(s) or alternate name(s); comments; notable properties [for example: multiple star status, range of variability if it is a variable star, exoplanets, etc.] See also [ edit ]