Star

AU Mic

M-type star

Overview

AU Mic is a host star of spectral class M with 4 known exoplanets. It is located approximately 32 light-years from Earth.

Key Measurements

Planets

4

012+

Spectral Class

M

Distance

9.7

pc

Nearby10,000 pc

Temperature

3678

K

2,000 K40,000 K

V Magnitude

8.81

Spectral Type

M1 V

Temperature

3678 K

Mass (Solar)

0.64 M☉

Radius (Solar)

0.86 R☉

Luminosity

-0.98 log L☉

Metallicity [Fe/H]

0.23

Age

0.0 Gyr

Known Planets

4

Stars in System

1

Planets (NASA)

4

Distance

9.7 pc (~32 ly)

V Magnitude

8.81

K Magnitude

4.53

Coordinates (RA, Dec)

311.2911°, -31.3424°

Planets in this System(4 known)
AU Mic b

AU Mic

Radius

4.79Earth radii

Mass

8.99Earth masses

Orbital Period

8.5days

Distance

9.7parsecs

Discovered 2020

Exoplanet
AU Mic d

AU Mic

Mass

1.05Earth masses

Orbital Period

12.7days

Distance

9.7parsecs

Discovered 2023

Exoplanet
AU Mic c

AU Mic

Radius

2.79Earth radii

Mass

14.46Earth masses

Orbital Period

18.9days

Distance

9.7parsecs

Discovered 2021

Exoplanet
AU Mic e

AU Mic

Mass

21.10Earth masses

Orbital Period

33.1days

Distance

9.7parsecs

Discovered 2025

Exoplanet
Data Sources
NASA Exoplanet Archive

Source ID: AU Mic