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|List of stars in Boötes|
|Right ascension:||15 h|
|Area:||907 sq. deg. (13th)|
|Main stars:||7, 15|
|Stars known to have planets:||9|
|Brightest star:||Arcturus (α Boo) (−0.04m)|
|Nearest star:||Wolf 498 ( ly)|
|Visible at latitudes between +90° and −50°
Best visible at 21:00 (9 p.m.) during the month of June
|Other designations: Arctophylax|
Boötes, pronounced with both 'O's as 'boötez', is one of the 88 modern constellations in the northern sky. The name is from the Greek word Βοώτης, which means herdsman – someone who takes care of animals.
Shape[change | change source]
The constellation's shape is like a kite. Boötes has the third brightest star in the night sky, called Arcturus (α Bootis). The astronomer Ptolemy listed it in the 2nd century when he made a list of 48 constellations.
The Cloverleaf quasar is visually in Bootes.
Main stars[change | change source]
- α Bootis (Arcturus) is the brightest and most important star of the constellation, with a magnitude of -0.04, the 3rd brightest star of the sky. It is a orange giant star
- β Bootis (Nekkar), yellow giant with magnitude 3.49 and 219 light years from the Earth
- y Bootis (Ceginus), Delta Scuti variable with magnitude 3,04
- δ Bootis (Princeps), another yellow giant.
Deep-sky objects[change | change source]
- NGC 5248, spiral galaxy, 10º south of Arcturus
- NGC 5466, globular cluster, 9º northwest of Arcturus, near M3, a globular cluster in the constellation Canes Venatici.
References[change | change source]
- Thompson, Robert Bruce; Thompson, Barbara Fritchman (2007). Illustrated Guide Astronomical Wonders. O'Reilly Books. ISBN 978-0-596-52685-6.
- Jim Kaler. "Boötes". Stars. http://stars.astro.illinois.edu/sow/boo-p.html. Retrieved 27 Jan 2013.
- Fuchs, Jim. "Constellation History". Modern Constellations. http://modernconstellations.com/constellationhistory.html. Retrieved 27 Jan 2013.