Exoplanet

WASP-5 b

Orbiting WASP-5

Overview

WASP-5 b is an exoplanet orbiting the star WASP-5, discovered in 2008 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

12.18

Earth radii

015 R⊕

Mass

502.15

Earth masses

0500 M⊕

Orbital Period

1.6

days

0.1d10,000d

Distance

309.1

parsecs

Nearby10,000 pc

Equilibrium Temp

1706

K

150 K3,500 K

Radius (Earth radii)

12.18

Mass (Earth masses)

502.15

Measured

Equilibrium Temperature

1706 K

Parameter source: Gillon et al. 2009

Orbital Period

1.628+0.000−0.000days

Semi-Major Axis

0.0267+0.0012−0.0008au

Planet Mass (Earth masses)

502.15+41.32−31.78

Planet Mass (Jupiter masses)

1.5800+0.1300−0.1000

Eccentricity

0.0380+0.0260−0.0180

Argument of Periastron

34.4+26.9−22.4deg

Radial Velocity Semi-Amplitude

279.70+9.20−6.30m/s

Distance from Earth

309.1 pc (~1008 ly)

Spectral Type

Unknown

Temperature

5700 K

Mass (Solar)

0.96 M☉

Radius (Solar)

1.03 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

359.3490°, -41.2772°

Discovery Method

Transit

Discovery Year

2008

Data Sources
NASA Exoplanet Archive

Source ID: WASP-5 b

System Context

WASP-5 b orbits WASP-5 and was reported in 2008 and was detected with the Transit method.

Published measurements list a radius of 12.18 Earth radii, a mass of 502.15 Earth masses, an orbital period of 1.63 days, and an equilibrium temperature near 1,706 K.

Catalog data places the system at about 309.1 parsecs from Earth 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-5