HD 117440

Starbox begin
name=d Centauri A/BStarbox observe
epoch=J2000.0
constell=Centaurus
ra=13^h31^m02.7^s
dec=−39°24′27″
appmag_v=+4.5/+4.7Starbox character
class=G8III/G9III
b-v=+1.17
u-b=+1.03
variable=noneStarbox astrometry
radial_v=−2
prop_mo_ra=−15.65
prop_mo_dec=−11.25
absmag_v=−3.4/−3.2
parallax=2.60
p_error=0.75
dist_ly=1250
dist_pc=380Starbox catalog
names=HR 5089, HD 117440, CD−38°8592, HIP 65936, SAO 204545, GC 18254, CCDM J13310-3924Starbox reference
Simbad=HD+117440

HD 117440, also know by its Bayer designation, d Centauri (d Cen), is a binary star in the constellation Centaurus. It is approximately 1250 light years from Earth.

Both components are yellow G-type giant stars. The primary, d Centauri A, has an apparent magnitude of +4.5, while the secondary, d Centauri B, has an apparent magnitude of +4.7. The two stars orbit around their common centre of mass once every 78.7 years and the secondary has a semi-major axis of 0.165 arcseconds.