Exoplanet

WASP-181 b

Orbiting WASP-181

Overview

WASP-181 b is an exoplanet orbiting the star WASP-181, discovered in 2019 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

13.27

Earth radii

015 R⊕

Mass

95.03

Earth masses

0500 M⊕

Orbital Period

4.5

days

0.1d10,000d

Distance

437.5

parsecs

Nearby10,000 pc

Equilibrium Temp

1186

K

150 K3,500 K

Radius (Earth radii)

13.27

Mass (Earth masses)

95.03

Measured

Equilibrium Temperature

1186 K

Parameter source: Turner et al. 2019

Orbital Period

4.520+0.000−0.000days

Semi-Major Axis

0.0543+0.0007−0.0007au

Planet Mass (Earth masses)

95.03+10.81−10.81

Planet Mass (Jupiter masses)

0.2990+0.0340−0.0340

Radial Velocity Semi-Amplitude

35.70+3.90−3.90m/s

Distance from Earth

437.5 pc (~1427 ly)

Spectral Type

G2

Temperature

5839 K

Mass (Solar)

1.04 M☉

Radius (Solar)

0.96 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

26.7932°, 3.1329°

Discovery Method

Transit

Discovery Year

2019

Data Sources
NASA Exoplanet Archive

Source ID: WASP-181 b

System Context

WASP-181 b orbits WASP-181 and was reported in 2019 and was detected with the Transit method.

Published measurements list a radius of 13.27 Earth radii, a mass of 95.03 Earth masses, an orbital period of 4.52 days, and an equilibrium temperature near 1,186 K.

Catalog data places the system at about 437.5 parsecs from Earth, a host star classified as G2, 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-181