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12 relations: Apparent magnitude, Asterism (astronomy), Bayer designation, Boötes, Constellation, Heavenly Market enclosure, Hercules (constellation), Main sequence, Nu1 Boötis, Nu2 Boötis, Ptolemy, Star system.
Apparent magnitude
The apparent magnitude of a celestial object is a number that is a measure of its brightness as seen by an observer on Earth.
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Asterism (astronomy)
In observational astronomy, an asterism is a popular known pattern or group of stars that are recognised in the night sky.
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Bayer designation
A Bayer designation is a stellar designation in which a specific star is identified by a Greek letter, followed by the genitive form of its parent constellation's Latin name.
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Boötes
Boötes is a constellation in the northern sky, located between 0° and +60° declination, and 13 and 16 hours of right ascension on the celestial sphere.
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Constellation
A constellation is a group of stars that are considered to form imaginary outlines or meaningful patterns on the celestial sphere, typically representing animals, mythological people or gods, mythological creatures, or manufactured devices.
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Heavenly Market enclosure
The Heavenly Market Enclosure (天市垣, Tian Shi Yuan), is one of the San Yuan or Three enclosures.
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Hercules (constellation)
Hercules is a constellation named after Hercules, the Roman mythological hero adapted from the Greek hero Heracles.
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Main sequence
In astronomy, the main sequence is a continuous and distinctive band of stars that appear on plots of stellar color versus brightness.
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Nu1 Boötis
Nu1 Boötis (ν1 Boötis) is an orange-hued star in the northern constellation of Boötes.
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Nu2 Boötis
Nu2 Boötis is a white-hued binary star system in the northern constellation of Boötes.
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Ptolemy
Claudius Ptolemy (Κλαύδιος Πτολεμαῖος, Klaúdios Ptolemaîos; Claudius Ptolemaeus) was a Greco-Roman mathematician, astronomer, geographer, astrologer, and poet of a single epigram in the Greek Anthology.
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Star system
A star system or stellar system is a small number of stars that orbit each other, bound by gravitational attraction.
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Nu Bootis, Psi Herculis, Ν Bootis.
