Beta Horologii
Encyclopedia
Beta Horologii (Beta Hor, β Horologii, β Hor) is the third brightest star in the constellation
of Horologium. It is an A-type giant
star
with an apparent visual magnitude of approximately 4.979, and is a chemically peculiar star of the metallic-line type.
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....
of Horologium. It is an A-type giant
Giant star
A giant star is a star with substantially larger radius and luminosity than a main sequence star of the same surface temperature. Typically, giant stars have radii between 10 and 100 solar radii and luminosities between 10 and 1,000 times that of the Sun. Stars still more luminous than giants are...
star
Star
A star is a massive, luminous sphere of plasma held together by gravity. At the end of its lifetime, a star can also contain a proportion of degenerate matter. The nearest star to Earth is the Sun, which is the source of most of the energy on Earth...
with an apparent visual magnitude of approximately 4.979, and is a chemically peculiar star of the metallic-line type.
External links
- Jim Kaler's Stars, University of Illinois: BETA HOR(Beta Horologii)