HD 13931
Encyclopedia
HD 13931 is an 8th magnitude
G-type star
located approximately 144 light years away in the constellation
Andromeda
. This star is larger, hotter, brighter, and more massive than our Sun. Also its metal
content is about 8% greater than the Sun. In 2009, a very long-period gas giant
planet was found in orbit around the star.
Apparent magnitude
The apparent magnitude of a celestial body is a measure of its brightness as seen by an observer on Earth, adjusted to the value it would have in the absence of the atmosphere...
G-type 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...
located approximately 144 light years away 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....
Andromeda
Andromeda (constellation)
Andromeda is a constellation in the northern sky. It is named after Andromeda, the princess in the Greek legend of Perseus who was chained to a rock to be eaten by the sea monster Cetus...
. This star is larger, hotter, brighter, and more massive than our Sun. Also its metal
Metallicity
In astronomy and physical cosmology, the metallicity of an object is the proportion of its matter made up of chemical elements other than hydrogen and helium...
content is about 8% greater than the Sun. In 2009, a very long-period gas giant
Gas giant
A gas giant is a large planet that is not primarily composed of rock or other solid matter. There are four gas giants in the Solar System: Jupiter, Saturn, Uranus, and Neptune...
planet was found in orbit around the star.
See also
- HD 34445HD 34445HD 34445 is a 7th magnitude G-type star located approximately 152 light years away in the constellation Orion. This star is larger, hotter, brighter, and more massive than our Sun. Also its metal content is 40% greater than the Sun. In 2004, a gas giant planet was found in orbit around the star...
- HD 126614HD 126614HD 126614 is a 9th magnitude trinary star located approximately 223 light years away in the constellation Virgo. HD 126614 A is a K-type star while HD 126614 B and NLTT 37349 are M-type stars. Star A is larger, cooler, brighter, and more massive than our Sun...
- HD 24496HD 24496HD 24496 is a 7th magnitude G-type wide binary star located approximately 67 light years away in the constellation Taurus. This star is smaller, cooler, fainter, and less massive than our Sun. Also its metal content is just 2% greater than the Sun...
- Gliese 179
- QS VirginisQS VirginisQS Virginis is an eclipsing binary system approximately 157 light-years away from Sun, forming a cataclysmic variable...
- List of extrasolar planets