HAT-P-57 · A8 V
HAT-P-57 b
Rank #5567 of the ranked catalogue · Discovered by Transit in 2015
HZ 0%measured
0.054
Earth-2.0 index
0.047
Earth Similarity Index
0%
Habitable-zone probability
19.50 R⊕
Radius
Planet
Mass448.140 M⊕measured
Bulk density0.332 g/cm³
Orbital period2.4653 days
Semi-major axis0.04060 au
Eccentricity0.000
Incident flux2726.633 S⊕
Equilibrium temperature1836.8 K
Transit-time σ at 20308.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.14 masReflected-light contrast 4.01e-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 coverage67%0% median composite-to-default difference over shared parameters.
Host star & system
HostHAT-P-57
Spectral typeA8 V
Effective temperature6330 K
Radius1.850 R☉
Mass2.770 M☉
Distance279.9 pc / 912.8 ly
DiscoveryTransit, 2015