Exoplanet

HD 109749 b

Orbiting HD 109749

Overview

HD 109749 b is an exoplanet orbiting the star HD 109749, discovered in 2005 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

85.81

Earth masses

0500 M⊕

Orbital Period

5.2

days

0.1d10,000d

Distance

63.1

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

85.81

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Ment et al. 2018

Orbital Period

5.240+0.0000.000days

Semi-Major Axis

0.0615+0.00400.0040au

M sin(i) (Earth masses)

85.81+14.3014.30

M sin(i) (Jupiter masses)

0.2700+0.04500.0450

Eccentricity

0.0000

Epoch of Periastron

2463015.17days(JD)

Argument of Periastron

109.8+2.12.1deg

Radial Velocity Semi-Amplitude

29.20+1.101.10m/s

Distance from Earth

63.1 pc (~206 ly)

Spectral Type

G3 V

Temperature

5824 K

Mass (Solar)

1.13 M☉

Radius (Solar)

1.22 R☉

Luminosity

0.19 log L☉

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

189.3173°, -40.8121°

Discovery Method

Radial Velocity

Discovery Year

2005

Data Sources

Source ID: HD 109749 b

System Context

HD 109749 b orbits HD 109749 and was reported in 2005 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 85.81 Earth masses (M sin i) and an orbital period of 5.24 days.

Catalog data places the system at about 63.1 parsecs from Earth, a host star classified as G3 V, and 1 known planet in the system.

Host star

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

Open HD 109749