Planet HD 220197 b

Name HD 220197 b
Planet Status Confirmed
Discovered in 2018
Mass
Mass*sin(i) 0.2 ( -0.04 +0.07 ) MJ
Semi-Major Axis 2.729 ( -0.085 +0.168 ) AU
Orbital Period 1728.0 ( -80.0 +160.0 ) day
Eccentricity 0.187 ( -0.132 +0.279 )
ω 159.0 ( -81.0 +55.0 ) deg
Tperi 2456636.3 ( -428.0 +196.0 ) JD
Radius
Inclination
Update 2018-11-30
Detection Method Radial Velocity
Mass Detection Method Radial Velocity
Radius Detection Method
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 3.78 ( -0.72 +1.78 ) m/s +
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

HD 220197
Name HD 220197
Distance 64.5 (± 0.2) pc
Spectral type F8V
Apparent magnitude V 9.0
Mass 0.91 (± 0.02) MSun
Age 10.165 (± 1.37) Gyr
Effective temperature 5683.0 (± 15.0) K
Radius 0.98 (± 0.02) RSun
Metallicity [Fe/H] -0.55 (± 0.02)
Detected Disc
Magnetic Field
RA2000 23:21:58.0
Dec2000 +16:37:57
Alternate Names
Planetary system 1 planet

More data


Related publications

The GAPS Programme with HARPS-N at TNG XVIII. Two new giant planets around the metal-poor stars HD 220197 and HD 233832
2018 BARBATO D., SOZZETTI A., BAIAZZO K., MALAVOLTA L., SANTOS N. et al.
Astron. & Astrophys.
arxiv