Planet HATS-18 b

Name HATS-18 b
Planet Status Confirmed
Discovered in 2016
Mass 1.98 ( -0.077 +0.077 ) MJ
Mass*sin(i)
Semi-Major Axis 0.01761 (± 0.00027) AU
Orbital Period 0.837843 (± 4.7e-07) day
Eccentricity 0.166 ( -0.166 +0 )
ω
Tperi
Radius 1.337 ( -0.049 +0.1 ) RJ
Inclination 85.5 ( -2.8 +1.9 ) deg
Update 2016-06-06
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Molecules
Primary transit 2.45709e+06 (± 0.00026) JD
Secondary transit
λ
Impact Parameter b 0.29 ( -0.11 +0.15 )
Time Vr=0
Velocity Semiamplitude K 415.2 (± 10) m/s
Calculated temperature 2060 K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

HATS-18
Name HATS-18
Distance 645 ( -25 +36 ) pc
Spectral type G
Apparent magnitude V 14.0
Mass 1.037 (± 0.047) MSun
Age 4.2 Gyr
Effective temperature 5600 (± 120) K
Radius 1.02 ( -0.031 +0.057 ) RSun
Metallicity [Fe/H] 0.28 (± 0.08)
Detected Disc
Magnetic Field
RA2000 11:35:50.0
Dec2000 -29:09:22
Alternate Names
Planetary system 1 planet

More data


Related publications

Empirical Tidal Dissipation in Exoplanet Hosts From Tidal Spin-up
2018 PENEV K., BOUMA L., WINN J. & HARTMAN J.
Astron. J., 155, 165
paper  

HATS-18 b: An Extreme Short--Period Massive Transiting Planet Spinning Up Its Star
2016 PENEV K., HARTMAN J., BAKOS G., CICERI S., BRAHM R. et al.
ApJ, 152, 127
arxiv   paper   ADS