Planet KELT-18 b

Name KELT-18 b
Planet Status Confirmed
Discovered in 2017
Mass 1.18 (± 0.11) MJ
Mass*sin(i)
Semi-Major Axis 0.0455 (± 0.00069) AU
Orbital Period 2.8717518 (± 2.8e-06) JD
Eccentricity 0.0
ω
Tperi
Radius 1.57 ( -0.036 +0.042 ) RJ
Inclination 88.86 ( -1.2 +0.79 ) deg
Update 2017-02-07
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Molecules
Primary transit 2457591.3461 (± 0.0016) JD
Secondary transit 2457541.08916 (± 0.00039) JD
λ
Impact Parameter b 0.102 ( -0.071 +0.1 )
Time Vr=0
Velocity Semiamplitude K 127.0 (± 13.0) m/s
Calculated temperature 2120.0 K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

KELT-18
Name KELT-18
Distance 311.0 (± 14.0) pc
Spectral type F4V
Apparent magnitude V 10.1
Mass 1.524 (± 0.069) MSun
Age 1.9 (± 0.2) Gyr
Effective temperature 6670.0 (± 120.0) K
Radius 1.908 ( -0.035 +0.042 ) RSun
Metallicity [Fe/H] 0.09 (± 0.13)
Detected Disc
Magnetic Field
RA2000 14:26:06.0
Dec2000 +59:26:39
Alternate Names
Planetary system 1 planet

More data


Related publications

KELT-18b: Puffy Planet, Hot Host, Probably Perturbed
2017 McLEOD K., RODRIGUEZ J., OELKERS R., DOLLINS K., BIERYLA A. et al.
ApJ, accepted
arxiv