HD 189733
Star system
>
HD 189733, also catalogued as V452 Vulpeculae, is a binary star system 64.5 light-years away in the constellation of Vulpecula. The primary star is suspected to be an orange dwarf star, while the secondary star is a red dwarf star. Wikipedia
Radius: 0.805±0.016 R☉
Age: 4.303 billion years
Absolute magnitude (MV): 6.2
Apparent magnitude (B): 8.609 ±0.016/
Apparent magnitude (H): 5.59/9.545 ±0.086
Apparent magnitude (J): 6.07/10.116 ±0.041
Apparent magnitude (K): 5.54/9.323 ±0.027
Show more
Show less