Planet HATS-18 b

Name HATS-18 b
Planet Status Confirmed
Discovered in 2016
Mass 1.98 (± 0.077) MJ
Mass*sin(i)
Semi-Major Axis 0.01761 (± 0.00027) AU
Orbital Period 0.8378434 (± 4.7e-07) JD
Eccentricity 0.166 ( -0.166 +0.0 )
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 2457089.90598 (± 0.00026) JD
Secondary transit
λ
Impact Parameter b 0.29 ( -0.11 +0.15 )
Time Vr=0
Velocity Semiamplitude K 415.2 (± 10.0) m/s
Calculated temperature 2060.0 K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

HATS-18
Name HATS-18
Distance 645.0 ( -25.0 +36.0 ) pc
Spectral type G
Apparent magnitude V 14.0
Mass 1.037 (± 0.047) MSun
Age 4.2 Gyr
Effective temperature 5600.0 (± 120.0) 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

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