HD 31527 b
Orbiting HD 31527
HD 31527 b is an exoplanet orbiting the star HD 31527, discovered in 2019 using the Radial Velocity method.
Minimum Mass (M sin i)
10.47
Earth masses
Orbital Period
16.6
days
Distance
38.4
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
10.47
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Udry et al. 2019
Orbital Period
16.553+0.003−0.004days
Semi-Major Axis
0.1254+0.0041−0.0045au
M sin(i) (Earth masses)
10.47+0.89−0.87
M sin(i) (Jupiter masses)
0.0329+0.0028−0.0028
Eccentricity
0.1000+0.0500−0.0500
Epoch of Periastron
2455499.55+1.31−1.58days(BJD)
Argument of Periastron
41.1+29.5−34.4deg
Radial Velocity Semi-Amplitude
2.72+0.13−0.13m/s
Distance from Earth
38.4 pc (~125 ly)
Spectral Type
G2 V
Temperature
5898 K
Mass (Solar)
0.96 M☉
Radius (Solar)
Unknown
Luminosity
0.08 log L☉
Planets in System
3
Stars in System
1
Coordinates (RA, Dec)
73.9096°, -23.2413°
Discovery Method
Radial Velocity
Discovery Year
2019
Source ID: HD 31527 b
HD 31527 b orbits HD 31527 and was reported in 2019 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 10.47 Earth masses (M sin i) and an orbital period of 16.55 days.
Catalog data places the system at about 38.4 parsecs from Earth, a host star classified as G2 V, 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 HD 31527More planets in this system