AU Mic c
Orbiting AU Mic
AU Mic c is an exoplanet orbiting the star AU Mic, discovered in 2021 using the Transit method. It is a Mini-Neptune world.
Radius
2.79
Earth radii
Mass
14.46
Earth masses
Orbital Period
18.9
days
Distance
9.7
parsecs
Equilibrium Temp
425
K
Radius (Earth radii)
2.79
Mass (Earth masses)
14.46
Measured
Equilibrium Temperature
425 K
Parameter source: Mallorquín et al. 2024
Orbital Period
18.859+0.000−0.000days
Semi-Major Axis
0.1190+0.0110−0.0110au
Planet Mass (Earth masses)
14.46+3.24−3.42
Planet Mass (Jupiter masses)
0.0455+0.0102−0.0108
Eccentricity
0.1800+0.0800−0.0700
Argument of Periastron
72.8+60.7−49.0deg
Radial Velocity Semi-Amplitude
4.70+1.03−1.05m/s
Distance from Earth
9.7 pc (~32 ly)
Spectral Type
M1 V
Temperature
3540 K
Mass (Solar)
0.64 M☉
Radius (Solar)
0.86 R☉
Luminosity
-0.98 log L☉
Planets in System
4
Stars in System
1
Coordinates (RA, Dec)
311.2911°, -31.3424°
Discovery Method
Transit
Discovery Year
2021
Source ID: AU Mic c
AU Mic c orbits AU Mic and was reported in 2021 and was detected with the Transit method.
Published measurements list a radius of 2.79 Earth radii, a mass of 14.46 Earth masses, an orbital period of 18.86 days, and an equilibrium temperature near 425 K.
Catalog data places the system at about 9.7 parsecs from Earth, a host star classified as M1 V, and 4 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open AU Mic