Exoplanet

HD 74156 b

Orbiting HD 74156

Overview

HD 74156 b is an exoplanet orbiting the star HD 74156, discovered in 2003 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

532.36

Earth masses

0500 M⊕

Orbital Period

51.6

days

0.1d10,000d

Distance

57.6

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

532.36

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Feng et al. 2022

Orbital Period

51.636+0.0010.001days

Semi-Major Axis

0.2800+0.01100.0120au

M sin(i) (Earth masses)

532.36+43.2245.45

M sin(i) (Jupiter masses)

1.6750+0.13600.1430

Eccentricity

0.6360+0.00800.0050

Epoch of Periastron

2450793.52+0.090.10days(BJD)

Argument of Periastron

174.4+0.90.8deg

Radial Velocity Semi-Amplitude

110.98+1.501.46m/s

Distance from Earth

57.6 pc (~188 ly)

Spectral Type

Unknown

Temperature

Unknown

Mass (Solar)

1.10 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

130.6048°, 4.5772°

Discovery Method

Radial Velocity

Discovery Year

2003

Data Sources

Source ID: HD 74156 b

System Context

HD 74156 b orbits HD 74156 and was reported in 2003 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 532.36 Earth masses (M sin i) and an orbital period of 51.64 days.

Catalog data places the system at about 57.6 parsecs from Earth 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 74156

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