Sigma Librae

Starbox short
name=Sigma Librae
epoch=J2000.0
constell=Libra
ra=15^h 04^m 4.26^s
dec=-25° 16' 54.7"
spectral=M3/M4III
appmag_v=+3.25
absmag_v=-1.51 | dist_ly=292
dist_pc=89.57
names=20 Librae, HR 5603, HD 133216, CD -24 11834, HIP 73714, SAO 183139, FK5 556, GC 20253

Sigma Librae (σ Lib / σ Librae) is a star in the constellation Libra. It also has the traditional names Brachium ("Arm"^Latin), Cornu ("Horn"^Latin), and Zubenalgubi ("Southern Claw"^Arabic).

This star was originally given the Bayer designation "Gamma Scorpii" (γ Sco) despite the fact that it is well within the constellation Libra and far from the boundary with Scorpius. It did not receive its current Bayer designation as Sigma Librae until the 19th century.

Sigma Librae has apparent magnitude of +3.25 and belongs to the spectral class M3-III. It is approximately 292 light years from Earth.

References

*

External links

* [http://www.astro.uiuc.edu/~kaler/sow/zubenh.html]
* [http://www.alcyone.de/cgi-bin/search.pl?object=HR5603]