tau Cet h
Orbiting tau Cet
tau Cet h is an exoplanet orbiting the star tau Cet, discovered in 2017 using the Radial Velocity method.
Minimum Mass (M sin i)
1.83
Earth masses
Orbital Period
49.4
days
Distance
3.6
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
1.83
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Feng et al. 2017
Orbital Period
49.410+0.080−0.100days
Semi-Major Axis
0.2430+0.0030−0.0030au
M sin(i) (Earth masses)
1.83+0.68−0.26
M sin(i) (Jupiter masses)
0.0058+0.0021−0.0008
Eccentricity
0.2300+0.1600−0.1500
Argument of Periastron
7.5+37.2−48.1deg
Radial Velocity Semi-Amplitude
0.39+0.15−0.06m/s
Distance from Earth
3.6 pc (~12 ly)
Spectral Type
Unknown
Temperature
Unknown
Mass (Solar)
0.78 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
3
Stars in System
1
Coordinates (RA, Dec)
26.0093°, -15.9338°
Discovery Method
Radial Velocity
Discovery Year
2017
Source ID: tau Cet h
tau Cet h orbits tau Cet and was reported in 2017 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 1.83 Earth masses (M sin i) and an orbital period of 49.41 days.
Catalog data places the system at about 3.6 parsecs from Earth and 3 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open tau Cet