Exoplanet

WASP-172 b

Orbiting WASP-172

Overview

WASP-172 b is an exoplanet orbiting the star WASP-172, discovered in 2018 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

17.60

Earth radii

015 R⊕

Mass

149.38

Earth masses

0500 M⊕

Orbital Period

5.5

days

0.1d10,000d

Distance

538.1

parsecs

Nearby10,000 pc

Equilibrium Temp

1740

K

150 K3,500 K

Radius (Earth radii)

17.60

Mass (Earth masses)

149.38

Measured

Equilibrium Temperature

1740 K

Parameter source: Hellier et al. 2019

Orbital Period

5.477+0.000−0.000days

Semi-Major Axis

0.0694+0.0011−0.0011au

Planet Mass (Earth masses)

149.38+31.78−31.78

Planet Mass (Jupiter masses)

0.4700+0.1000−0.1000

Eccentricity

0.0000

Radial Velocity Semi-Amplitude

42.00+9.00−9.00m/s

Distance from Earth

538.1 pc (~1755 ly)

Spectral Type

F1 V

Temperature

6900 K

Mass (Solar)

1.49 M☉

Radius (Solar)

1.91 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

199.4337°, -47.2376°

Discovery Method

Transit

Discovery Year

2018

Data Sources
NASA Exoplanet Archive

Source ID: WASP-172 b

System Context

WASP-172 b orbits WASP-172 and was reported in 2018 and was detected with the Transit method.

Published measurements list a radius of 17.6 Earth radii, a mass of 149.38 Earth masses, an orbital period of 5.48 days, and an equilibrium temperature near 1,740 K.

Catalog data places the system at about 538.1 parsecs from Earth, a host star classified as F1 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 WASP-172