Exoplanet

HD 103774 b

Orbiting HD 103774

Overview

HD 103774 b is an exoplanet orbiting the star HD 103774, discovered in 2013 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

116.00

Earth masses

0500 M⊕

Orbital Period

5.9

days

0.1d10,000d

Distance

56.4

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

116.00

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Lo Curto et al. 2013

Orbital Period

5.888+0.0010.001days

Semi-Major Axis

0.0700+0.00100.0010au

M sin(i) (Earth masses)

116.00+7.007.00

M sin(i) (Jupiter masses)

0.3670+0.02200.0220

Eccentricity

0.0900+0.04000.0400

Epoch of Periastron

2455675.40+2.002.00days

Argument of Periastron

-42.0+64.064.0deg

Radial Velocity Semi-Amplitude

34.30+1.801.80m/s

Distance from Earth

56.4 pc (~184 ly)

Spectral Type

F5 V

Temperature

6489 K

Mass (Solar)

1.33 M☉

Radius (Solar)

Unknown

Luminosity

0.54 log L☉

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

179.2311°, -12.1080°

Discovery Method

Radial Velocity

Discovery Year

2013

Data Sources

Source ID: HD 103774 b

System Context

HD 103774 b orbits HD 103774 and was reported in 2013 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 116 Earth masses (M sin i) and an orbital period of 5.89 days.

Catalog data places the system at about 56.4 parsecs from Earth, a host star classified as F5 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 103774