Exoplanet

HD 43691 b

Orbiting HD 43691

Overview

HD 43691 b is an exoplanet orbiting the star HD 43691, discovered in 2007 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

810.47

Earth masses

0500 M⊕

Orbital Period

37.0

days

0.1d10,000d

Distance

85.6

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

810.47

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Ment et al. 2018

Orbital Period

36.999+0.0010.001days

Semi-Major Axis

0.2380+0.01500.0150au

M sin(i) (Earth masses)

810.47+108.06108.06

M sin(i) (Jupiter masses)

2.5500+0.34000.3400

Eccentricity

0.0796+0.00670.0067

Epoch of Periastron

2463048.04+0.490.49days(JD)

Argument of Periastron

292.7+4.84.8deg

Radial Velocity Semi-Amplitude

130.06+0.840.84m/s

Distance from Earth

85.6 pc (~279 ly)

Spectral Type

G0

Temperature

6093 K

Mass (Solar)

1.32 M☉

Radius (Solar)

1.60 R☉

Luminosity

0.50 log L☉

Planets in System

1

Stars in System

3

Coordinates (RA, Dec)

94.8946°, 41.0921°

Discovery Method

Radial Velocity

Discovery Year

2007

Data Sources

Source ID: HD 43691 b

System Context

HD 43691 b orbits HD 43691 and was reported in 2007 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 810.47 Earth masses (M sin i) and an orbital period of 37 days.

Catalog data places the system at about 85.6 parsecs from Earth, a host star classified as G0, 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 43691