Exoplanet

WASP-1 b

Orbiting WASP-1

Overview

WASP-1 b is an exoplanet orbiting the star WASP-1, discovered in 2007 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

16.62

Earth radii

015 R⊕

Mass

271.42

Earth masses

0500 M⊕

Orbital Period

2.5

days

0.1d10,000d

Distance

393.1

parsecs

Nearby10,000 pc

Radius (Earth radii)

16.62

Mass (Earth masses)

271.42

Measured

Equilibrium Temperature

Unknown

Parameter source: Maciejewski et al. 2014

Orbital Period

2.520+0.0000.000days

Semi-Major Axis

0.0389+0.00050.0007au

Planet Mass (Earth masses)

271.42+18.1216.53

Planet Mass (Jupiter masses)

0.8540+0.05700.0520

Eccentricity

0.0000

Radial Velocity Semi-Amplitude

110.90+6.106.10m/s

Distance from Earth

393.1 pc (~1282 ly)

Spectral Type

Unknown

Temperature

Unknown

Mass (Solar)

1.24 M☉

Radius (Solar)

1.47 R☉

Luminosity

0.44 log L☉

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

5.1670°, 31.9900°

Discovery Method

Transit

Discovery Year

2007

Data Sources

Source ID: WASP-1 b

System Context

WASP-1 b orbits WASP-1 and was reported in 2007 and was detected with the Transit method.

Published measurements list a radius of 16.62 Earth radii, a mass of 271.42 Earth masses, and an orbital period of 2.52 days.

Catalog data places the system at about 393.1 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-1