GJ 179 b
Orbiting GJ 179
GJ 179 b is an exoplanet orbiting the star GJ 179, discovered in 2009 using the Radial Velocity method.
Minimum Mass (M sin i)
260.61
Earth masses
Orbital Period
2288.0
days
Distance
12.4
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
260.61
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Howard et al. 2010
Orbital Period
2288.000+59.000−59.000days
Semi-Major Axis
2.4100+0.0400−0.0400au
M sin(i) (Earth masses)
260.61+22.25−22.25
M sin(i) (Jupiter masses)
0.8200+0.0700−0.0700
Eccentricity
0.2100+0.0800−0.0800
Epoch of Periastron
2455140.00+104.00−104.00days
Argument of Periastron
153.0+24.0−24.0deg
Radial Velocity Semi-Amplitude
25.80+2.20−2.20m/s
Distance from Earth
12.4 pc (~40 ly)
Spectral Type
M3.5 V
Temperature
3370 K
Mass (Solar)
0.36 M☉
Radius (Solar)
0.38 R☉
Luminosity
-1.80 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
73.0245°, 6.4752°
Discovery Method
Radial Velocity
Discovery Year
2009
Source ID: GJ 179 b
GJ 179 b orbits GJ 179 and was reported in 2009 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 260.61 Earth masses (M sin i) and an orbital period of 2,288 days.
Catalog data places the system at about 12.4 parsecs from Earth, a host star classified as M3.5 V, and 1 known planet in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open GJ 179