Exoplanet

HD 31527 c

Orbiting HD 31527

Overview

HD 31527 c is an exoplanet orbiting the star HD 31527, discovered in 2019 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

14.16

Earth masses

0500 M⊕

Orbital Period

51.2

days

0.1d10,000d

Distance

38.4

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Minimum Mass, M sin(i) (Earth masses)

14.16

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Udry et al. 2019

Orbital Period

51.205+0.0370.037days

Semi-Major Axis

0.2663+0.00880.0095au

M sin(i) (Earth masses)

14.16+1.281.23

M sin(i) (Jupiter masses)

0.0445+0.00400.0039

Eccentricity

0.0400+0.05000.0300

Epoch of Periastron

2455526.34+9.7921.59days(BJD)

Argument of Periastron

-23.3+68.9152.4deg

Radial Velocity Semi-Amplitude

2.51+0.140.14m/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

Data Sources

Source ID: HD 31527 c

System Context

HD 31527 c orbits HD 31527 and was reported in 2019 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 14.16 Earth masses (M sin i) and an orbital period of 51.21 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 31527

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