Qatar-4 · K1 V
Qatar-4 b
Rank #4512 of the ranked catalogue · Discovered by Transit in 2017
HZ 0%measured
0.074
Earth-2.0 index
0.114
Earth Similarity Index
0%
Habitable-zone probability
12.72 R⊕
Radius
Planet
Mass1938.763 M⊕measured
Bulk density5.100 g/cm³
Orbital period1.8054 days
Semi-major axis0.02803 au
Eccentricity0.000
Incident flux614.000 S⊕
Equilibrium temperature1265.3 K
Maximum angular separation0.09 masReflected-light contrast 3.58e-5 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources2 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage100%0% median composite-to-default difference over shared parameters.
Host star & system
HostQatar-4
Spectral typeK1 V
Effective temperature5215 K
Radius0.849 R☉
Mass0.896 M☉
Distance329.0 pc / 1073.2 ly
DiscoveryTransit, 2017