Upsilon Cassiopeiae
Encyclopedia
The Bayer designation
Upsilon Cassiopeiae (υ Cas / υ Cassiopeiae) is shared by two star system
s, in the constellation
Cassiopeia
:
They are separated by 0.3° on the sky.
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...
Upsilon Cassiopeiae (υ Cas / υ Cassiopeiae) 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....
Cassiopeia
Cassiopeia (constellation)
Cassiopeia is a constellation in the northern sky, named after the vain queen Cassiopeia in Greek mythology, who boasted about her unrivalled beauty. Cassiopea was one of the 48 constellations listed by the 2nd century Greek astronomer Ptolemy, and it remains one of the 88 modern constellations today...
:
- υ¹ CassiopeiaeUpsilon1 CassiopeiaeUpsilon1 Cassiopeiae is a triple star system in the constellation Cassiopeia. υ1 Cassiopeiae is an orange K-type giant with an apparent magnitude of +4.83. It is approximately 407 light years from Earth....
- υ² CassiopeiaeUpsilon2 CassiopeiaeUpsilon2 Cassiopeiae is a star in the constellation Cassiopeia. υ2 Cassiopeiae is a yellow G-type giant with an apparent magnitude of +4.62. It is approximately 205.9 light years from Earth....
They are separated by 0.3° on the sky.