Boötes
Constellation in the northern celestial hemisphere / From Wikipedia, the free encyclopedia
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Boötes (/boʊˈoʊtiːz/ boh-OH-teez) 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. The name comes from Latin: Boōtēs, which comes from Greek: Βοώτης, translit. Boṓtēs 'herdsman' or 'plowman' (literally, 'ox-driver'; from βοῦς boûs 'cow').
Constellation | |
Abbreviation | Boo |
---|---|
Genitive | Boötis |
Pronunciation | /boʊˈoʊtiːz/, genitive /boʊˈoʊtɪs/[1] |
Symbolism | The Herdsman |
Right ascension | 13h 36.1m to 15h 49.3m [2] |
Declination | +7.36° to +55.1°[2] |
Area | 907 sq. deg. (13th) |
Main stars | 7, 15 |
Bayer/Flamsteed stars | 59 |
Stars with planets | 10 |
Stars brighter than 3.00m | 3 |
Stars within 10.00 pc (32.62 ly) | 3 |
Brightest star | Arcturus (α Boo) (−0.04m) |
Messier objects | 0 |
Meteor showers |
|
Bordering constellations | |
Visible at latitudes between +90° and −50°. Best visible at 21:00 (9 p.m.) during the month of June. Other designations: Arctophylax |
One of the 48 constellations described by the 2nd-century astronomer Ptolemy, Boötes is now one of the 88 modern constellations. It contains the fourth-brightest star in the night sky, the orange giant Arcturus. Epsilon Boötis, or Izar, is a colourful multiple star popular with amateur astronomers. Boötes is home to many other bright stars, including eight above the fourth magnitude and an additional 21 above the fifth magnitude, making a total of 29 stars easily visible to the naked eye.