Star
HD 20781
K-type star
Overview
HD 20781 is a host star of spectral class K with 4 known exoplanets. It is located approximately 117 light-years from Earth.
Key Measurements
Planets
4
012+
Spectral Class
K
Distance
36.0
pc
Nearby10,000 pc
Temperature
5256
K
2,000 K40,000 K
V Magnitude
8.48
Spectral Type
K0 V
Temperature
5256 K
Mass (Solar)
0.70 M☉
Radius (Solar)
Unknown
Luminosity
-0.31 log L☉
Metallicity [Fe/H]
-0.11
Age
Unknown
Known Planets
4
Stars in System
2
Planets (NASA)
5
Distance
36.0 pc (~117 ly)
V Magnitude
8.48
K Magnitude
6.55
Coordinates (RA, Dec)
50.0140°, -28.7841°
Planets in this System(4 known)
HD 20781 b
HD 20781
Orbital Period
5.3days
Distance
36.0parsecs
Discovered 2019
Exoplanet
HD 20781 c
HD 20781
Orbital Period
13.9days
Distance
36.0parsecs
Discovered 2019
Exoplanet
HD 20781 d
HD 20781
Orbital Period
29.2days
Distance
36.0parsecs
Discovered 2019
Exoplanet
HD 20781 e
HD 20781
Orbital Period
85.5days
Distance
36.0parsecs
Discovered 2019
Exoplanet
Data Sources
Source ID: HD 20781