Gamma Pegasi

Starbox short
name=γ Pegasi
epoch=J2000.0
constell=Pegasus
ra=00^h 13^m 14.2^s
dec=+15° 11' 01"
spectral=B2IV
appmag_v=+2.83
dist_ly=335
dist_pc=103
names=Algeneb, Algenib, 88 Peg, HR 39, HD 886, FK5 7, SAO 91781

Gamma Pegasi (γ Peg) is a star in the constellation of Pegasus. It also has the traditional name Algenib; confusingly however, this name is also used for Alpha Persei. It is known as 壁宿一 (the First Star of the Wall) in Chinese.

Gamma Pegasi is a Beta Cephei variable star that lies at the lower left-hand corner of the Great Square of Pegasus. Its magnitude varies between +2.78 and +2.89 with a period of 3.6 hours. It is 335 light-years distant and belonges to spectral type B2. It has a total luminosity of 4000 times that of the Sun with a radius of 4.5 times solar.The mass of γ Pegasi is 7 to 10 solar masses.

External links

* [http://www.alcyone.de/SIT/bsc/bsc_search.html Bright Star Catalog]
* [http://www.astro.uiuc.edu/~kaler/sow/algenib.html Algenib]