Exoplanet

HD 189567 b

Orbiting HD 189567

Overview

HD 189567 b is an exoplanet orbiting the star HD 189567, discovered in 2021 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

8.50

Earth masses

0500 M⊕

Orbital Period

14.3

days

0.1d10,000d

Distance

17.9

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

8.50

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Unger et al. 2021

Orbital Period

14.288+0.0020.002days

Semi-Major Axis

0.1110+0.00200.0020au

M sin(i) (Earth masses)

8.50+0.600.60

M sin(i) (Jupiter masses)

0.0267+0.00190.0019

Eccentricity

<0.189

Epoch of Periastron

2455509.00+3.003.00days(BJD)

Radial Velocity Semi-Amplitude

2.53+0.180.18m/s

Distance from Earth

17.9 pc (~58 ly)

Spectral Type

G3 V

Temperature

5726 K

Mass (Solar)

0.83 M☉

Radius (Solar)

Unknown

Luminosity

0.32 log L☉

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

301.3960°, -67.3238°

Discovery Method

Radial Velocity

Discovery Year

2021

Data Sources

Source ID: HD 189567 b

System Context

HD 189567 b orbits HD 189567 and was reported in 2021 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 8.5 Earth masses (M sin i) and an orbital period of 14.29 days.

Catalog data places the system at about 17.9 parsecs from Earth, a host star classified as G3 V, 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 189567

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