Exoplanet

WASP-139 b

Orbiting WASP-139

Overview

WASP-139 b is an exoplanet orbiting the star WASP-139, discovered in 2016 using the Transit method. It is a Neptune-sized world.

Key Measurements

Radius

8.97

Earth radii

015 R⊕

Mass

37.19

Earth masses

0500 M⊕

Orbital Period

5.9

days

0.1d10,000d

Distance

212.5

parsecs

Nearby10,000 pc

Equilibrium Temp

910

K

150 K3,500 K

Radius (Earth radii)

8.97

Mass (Earth masses)

37.19

Measured

Equilibrium Temperature

910 K

Orbital Period

5.92 days

Distance from Earth

212.5 pc (~693 ly)

Spectral Type

K0

Temperature

5310 K

Mass (Solar)

0.92 M☉

Radius (Solar)

0.80 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

49.5622°, -41.3020°

Discovery Method

Transit

Discovery Year

2016

Data Sources
NASA Exoplanet Archive

Source ID: WASP-139 b

System Context

WASP-139 b orbits WASP-139 and was reported in 2016 and was detected with the Transit method.

Published measurements list a radius of 8.97 Earth radii, a mass of 37.19 Earth masses, an orbital period of 5.92 days, and an equilibrium temperature near 910 K.

Catalog data places the system at about 212.5 parsecs from Earth, a host star classified as K0, 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-139