HR 858 b
Orbiting HR 858
HR 858 b is an exoplanet orbiting the star HR 858, discovered in 2019 using the Transit method. It is a Super-Earth world.
Radius
2.00
Earth radii
Mass
3.55
Earth masses
Orbital Period
3.6
days
Distance
32.0
parsecs
Equilibrium Temp
1552
K
Radius (Earth radii)
2.00
Mass (Earth masses)
3.55
Measured
Equilibrium Temperature
1552 K
Orbital Period
3.59 days
Distance from Earth
32.0 pc (~104 ly)
Spectral Type
Unknown
Temperature
6354 K
Mass (Solar)
1.20 M☉
Radius (Solar)
1.26 R☉
Luminosity
0.36 log L☉
Planets in System
3
Stars in System
2
Coordinates (RA, Dec)
42.9850°, -30.8141°
Discovery Method
Transit
Discovery Year
2019
Source ID: HR 858 b
HR 858 b orbits HR 858 and was reported in 2019 and was detected with the Transit method.
Published measurements list a radius of 2 Earth radii, a mass of 3.55 Earth masses, an orbital period of 3.59 days, and an equilibrium temperature near 1,552 K.
Catalog data places the system at about 32 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 HR 858