Finding Earth 2.0
WASP-1 · F7 V

WASP-1 b

Rank #5522 of the ranked catalogue · Discovered by Transit in 2007

HZ 0%measured

0.055

Earth-2.0 index

0.052

Earth Similarity Index

0%

Habitable-zone probability

16.62 R⊕

Radius

Planet

Mass271.415 M⊕measured
Bulk density0.348 g/cm³
Orbital period2.5200 days
Semi-major axis0.03889 au
Eccentricity0.000
Incident flux2121.517 S⊕
Equilibrium temperature1725.1 K
Transit-time σ at 20302.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.10 masReflected-light contrast 3.17e-5 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources6 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage75%0% median composite-to-default difference over shared parameters.

Host star & system

HostWASP-1
Spectral typeF7 V
Effective temperature6110 K
Radius1.470 R☉
Mass1.240 M☉
Distance393.1 pc / 1282.0 ly
DiscoveryTransit, 2007