Nu Boötis
Encyclopedia
The Bayer designation
Nu Boötis (ν Boo / ν Boötis) is shared by two star system
s, in the constellation
Boötes
:
They are separated by 0.17° on the sky.
All of them were member of asterism 七公 (Qī Gōng), Seven Excellencies, Heavenly Market enclosure
.
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...
Nu Boötis (ν Boo / ν Boötis) is shared by two star system
Star system
A star system or stellar system is a small number of stars which orbit each other, bound by gravitational attraction. A large number of stars bound by gravitation is generally called a star cluster or galaxy, although, broadly speaking, they are also star systems.-Binary star systems:A stellar...
s, in the constellation
Constellation
In modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, patterns formed by prominent stars within apparent proximity to one another on Earth's night sky....
Boötes
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. The name comes from the Greek Βοώτης, Boōtēs, meaning herdsman or plowman...
:
- ν¹ BoötisNu1 BoötisNu1 Boötis is an orange K-type giant with an apparent magnitude of +5.04. It is approximately 872 light years from Earth.-References:* * *...
- ν² BoötisNu2 BoötisNu2 Boötis is a spectroscopic binary approximately 430 light years from Earth. The primary component, ν2 Boötis A, is a white A-type main sequence dwarf with an apparent magnitude of +4.98. Its companion, ν2 Boötis B is separated from the primary by less than 0.1 arcseconds. The binary has an...
They are separated by 0.17° on the sky.
All of them were member of asterism 七公 (Qī Gōng), Seven Excellencies, Heavenly Market enclosure
Heavenly Market enclosure
Tian Shi Yuan, the Heavenly Market Enclosure , is one of the San Yuan or Three enclosures. Stars and constellations of this group are visible during late summer and early autumn in the Northern Hemisphere . The summer triangle lies directly to the northwest.-Asterisms:The asterisms are :...
.