HD 165189 and HD 165190 are components of a visual binary star[10] system located 143 light years away in the southern constellation of Corona Australis.
It is visible to the naked eye with the primary having an apparent visual magnitude of 4.929±0.025.
The system is a member of the Beta Pictoris Moving Group.
[14] The pair orbit each other with a period of 450 years and a large eccentricity of 0.650.
[10] Both components are A-type main-sequence stars; the primary has a stellar classification of A6 V while the secondary is A7 V.[14] They have similar masses of 1.59 and 1.58 times the mass of the Sun, respectively.