GJ 832

Planetary system · 16.2 light-years away · also HD 204961, HIP 106440

GJ 832 is 16.2 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this M2/3 V star; the first was found in 2008 by radial velocity (Anglo-Australian Telescope).

Fly there in 3D

Worth knowing

GJ 832 b takes 10.5 years to go round its star once.

The star

Spectral typeM2/3 V
Surface temperature3,472 K
Mass0.45 solar masses
Radius0.441557 solar radii
Luminosity0.026 times the Sun
Apparent magnitude8.66
Ageabout 8.1 billion years
Distance from the Sun16.2 light-years (5.0 parsecs)
Position (J2000)RA 323.3913°, Dec -49.0125°
ConstellationGrus

Planets (1)

PlanetYearOrbitRadiusMassFound
GJ 832 b10.5 years3.700 AU13.8 R⊕ estimated314.65 M⊕Radial Velocity, 2008

Values are the NASA Exoplanet Archive’s composite parameters. A radius marked estimated comes from a mass–radius relation; a mass marked minimum is M sin i. Planet sizes and colours in the 3D view are renderings: none of these worlds has been photographed as more than a point of light.

Sources

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