Exoplanet

WASP-147 b

Orbiting WASP-147

Overview

WASP-147 b is an exoplanet orbiting the star WASP-147, discovered in 2018 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

12.50

Earth radii

015 R⊕

Mass

87.40

Earth masses

0500 M⊕

Orbital Period

4.6

days

0.1d10,000d

Distance

436.1

parsecs

Nearby10,000 pc

Equilibrium Temp

1404

K

150 K3,500 K

Radius (Earth radii)

12.50

Mass (Earth masses)

87.40

Measured

Equilibrium Temperature

1404 K

Parameter source: Lendl et al. 2019

Orbital Period

4.603+0.000−0.000days

Semi-Major Axis

0.0549+0.0012−0.0013au

Planet Mass (Earth masses)

87.40+8.90−8.58

Planet Mass (Jupiter masses)

0.2750+0.0280−0.0270

Eccentricity

0.0000

Radial Velocity Semi-Amplitude

32.70+2.80−2.80m/s

Distance from Earth

436.1 pc (~1422 ly)

Spectral Type

G4

Temperature

5702 K

Mass (Solar)

1.04 M☉

Radius (Solar)

1.43 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

359.1915°, -22.1532°

Discovery Method

Transit

Discovery Year

2018

Data Sources
NASA Exoplanet Archive

Source ID: WASP-147 b

System Context

WASP-147 b orbits WASP-147 and was reported in 2018 and was detected with the Transit method.

Published measurements list a radius of 12.5 Earth radii, a mass of 87.4 Earth masses, an orbital period of 4.6 days, and an equilibrium temperature near 1,404 K.

Catalog data places the system at about 436.1 parsecs from Earth, a host star classified as G4, 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 WASP-147