HD 117440
HD 117440, also known by its Bayer designation d Centauri (d Cen), is a binary star in the constellation Centaurus. It is approximately 900 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 83 years and the secondary has a semi-major axis of 0.161 arcseconds.
Q105616
Bayer designation
Concept
Q50053
binary star
Concept
Q8928
constellation
Concept
Q8844
Centaurus
CEL
Q531
light year
Concept
Q2
Earth
CEL
Q25377588
G-type
Concept
Q5875
giant star
Concept
Q21143897
semi-major axis
UNK
Q12097402
arcsecond
Concept
Q2758623
HD 117440
CEL
++4.5^^http://www.w3.org/2001/XMLSchema#decimal
+4.5
NUMBER
++4.7^^http://www.w3.org/2001/XMLSchema#decimal
+4.7
NUMBER
+83^^http://www.w3.org/2001/XMLSchema#decimal
83
NUMBER
+0.161^^http://www.w3.org/2001/XMLSchema#decimal
0.161
NUMBER
constellation
instance of