Finding Earth 2.0
MASCARA-1 · A8

MASCARA-1 b

Rank #5625 of the ranked catalogue · Discovered by Transit in 2017

HZ 0%measured

0.042

Earth-2.0 index

0.025

Earth Similarity Index

0%

Habitable-zone probability

17.90 R⊕

Radius

Planet

Mass1175.971 M⊕measured
Bulk density1.500 g/cm³
Orbital period2.1488 days
Semi-major axis0.04035 au
Eccentricity0.000
Incident flux38711.500 S⊕
Equilibrium temperature3565.5 K
Transit-time σ at 20302.2 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.22 masReflected-light contrast 3.42e-5 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · 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

HostMASCARA-1
Spectral typeA8
Effective temperature7490 K
Radius2.082 R☉
Mass1.900 M☉
Distance182.3 pc / 594.5 ly
DiscoveryTransit, 2017