Exoplanet

HD 4732 b

Orbiting HD 4732

Overview

HD 4732 b is an exoplanet orbiting the star HD 4732, discovered in 2012 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

631.21

Earth masses

0500 M⊕

Orbital Period

371.7

days

0.1d10,000d

Distance

54.8

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

631.21

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Teng et al. 2023

Orbital Period

371.740+0.7201.860days

Semi-Major Axis

1.1290+0.00100.0040au

M sin(i) (Earth masses)

631.21+49.5848.95

M sin(i) (Jupiter masses)

1.9860+0.15600.1540

Eccentricity

0.2660+0.08100.0680

Epoch of Periastron

2455660.00+12.8014.50days(JD)

Argument of Periastron

62.6+9.711.1deg

Radial Velocity Semi-Amplitude

46.80+4.784.07m/s

Distance from Earth

54.8 pc (~179 ly)

Spectral Type

K0 IV

Temperature

4898 K

Mass (Solar)

1.39 M☉

Radius (Solar)

5.03 R☉

Luminosity

1.12 log L☉

Planets in System

2

Stars in System

2

Coordinates (RA, Dec)

12.3085°, -24.1369°

Discovery Method

Radial Velocity

Discovery Year

2012

Data Sources

Source ID: HD 4732 b

System Context

HD 4732 b orbits HD 4732 and was reported in 2012 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 631.21 Earth masses (M sin i) and an orbital period of 371.74 days.

Catalog data places the system at about 54.8 parsecs from Earth, a host star classified as K0 IV, and 2 known planets in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open HD 4732

More planets in this system

HD 4732 b