Star HD 165131

Binary star HD 165131 is located 189 light years away from the Sun. It consists of a yellow star and a brown dwarf. For now, there are no known exoplanets in this star system.

HD 165131 A

Yellow star

Spectral class: G3/5V

Location

Right ascension: 18h 5m 22.658s

Declination: -21° 40' 25.397'' (southern hemisphere)

Parallax: 17.269

Sun distance: 188.866 ly | 57.9 pc

Basic characteristic

Mass: 106 % M Sun

Size: 108 % R Sun

Temperature: 5870 K | 1.02 T Sun

Age: 4 billions years | 0.87 Sun

Photometry

K
2.1

H
1.6

J
1.2

Grp
0.8

I
0.8

G
0.6

V
0.5

Gbp
0.5

B
0.4

U
0.3

Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).

HD 165131 B

Brown dwarf

Location

Distance from the primary: 3.54 AU

Basic characteristic

Mass: 1.78 % M Sun | 19 M Jupiter

HD 165131 system structure

	HD 165131 A
	HD 165131 B		3.54 AU

More about HD 165131

       HD 165131 can be found in southern celestial hemisphere, you cannot see it with naked eye, but you can observe this star with basic telescope. The star is also observable from Northern America, Europe and Asia.

Other designations of this star
Gaia DR3 4070009007975710464

External sources

The Masses of a Sample of Radial-Velocity Exoplanets with Astrometric Measurements

Scientific study, Accepted: 22. 03. 2023

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