Alpha Sagittae

Starbox short
name=Sham
epoch=J2000.0
constell=Sagitta
ra=19^h 40^m 05.8^s
dec=+18° 00' 50"
spectral=G1 II
appmag_v=+4.37
absmag_v=-1.44
dist_ly=620
dist_pc=190.184
names=Sham, Alsahm, 5 Sge, BD+17°4042, HD 185758, HIP 96757, HR 7479, SAO 105120

Alpha Sagittae (α Sge) is a star in the constellation Sagitta. It also has the traditional name "Sham" or "Alsahm" which comes to us from Arabic and means "Arrow", the name formerly having been applied to the whole constellation.

α Sge is a yellow bright giant star of apparent magnitude +4.37 and spectral class G1 II about 475 light years from Earth. It has a luminosity 340 times that of the Sun with a surface temperature of 5400 kelvins. The star's radius is roughly 20 times solar while its mass is 4 times the solar mass.

External links

* [http://www.alcyone.de/SIT/bsc/bsc_search.html Bright Star Catalogue]
* [http://www.astro.uiuc.edu/~kaler/sow/sham.html Sham]