Kappa Ursae Majoris

Starbox short
name=κ Ursae Majoris
epoch=J2000.0
constell=Ursa Major
ra=09^h 03^m 37.5^s
dec=+47° 09' 24"
spectral=A0IV-V + A0V
appmag_v=+3.57
dist_ly=423 ± 46
dist_pc=130 ± 14
names=12 Ursae Majoris, HR 3594,
HD 77327, BD+47 1633,
FK5 341, HIP 44471,
SAO 42661, GC 12503,
ADS 7158, CCDM 09036+4709

Kappa Ursae Majoris (κ UMa / κ Ursae Majoris) is a binary star in the constellation Ursa Major. It is approximately 423 light years from Earth and has the traditional names Talitha Australis, Al Kaprah, and Alphikra Australis.

Both components of the binary star are a white A-type main sequence dwarfs. They have apparent magnitudes of +4.2 and +4.4, which gives the system a combined apparent magnitude of +3.57. The orbital period of the binary is 36 or 74 years, and the two stars are separated by 0.13 arcseconds.