Planet HD 238914 b

Name HD 238914 b
Planet Status Confirmed
Discovered in 2018
Mass 6 ( -2.7 +2.7 ) MJ
Mass*sin(i) 6 ( -2.7 +2.7 ) MJ
Semi-Major Axis 5.7 (± 0.9) AU
Orbital Period 4100 ( -240 +210 ) day
Eccentricity 0.56 ( -0.05 +0.07 )
ω 318 (± 8) deg
Tperi 2.46054e+06 ( -250 +230 ) JD
Radius
Inclination
Update 2018-01-16
Detection Method Radial Velocity
Mass Detection Method Radial Velocity
Radius Detection Method
Molecules
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 71 ( -11 +7 ) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

HD 238914
Name HD 238914
Distance 590 (± 90) pc
Spectral type K7
Apparent magnitude V 12.0
Mass 1.47 (± 0.47) MSun
Age
Effective temperature 4769 (± 15) K
Radius 12.73 (± 3.89) RSun
Metallicity [Fe/H] -0.25 (± 0.09)
Detected Disc
Magnetic Field
RA2000 18:38:20.0
Dec2000 +59:15:14
Alternate Names
Planetary system 1 planet

More data


Related publications

Tracking Advanced Planetary Systems (TAPAS) with HARPS-N. VI. HD 238914 and TYC 3318-01333-1: two more Li-rich giants with planets
2018 ADAMOW M., NIEDZIELSKI A., KOWALIK K., VILLAVER E., WOLSZCZAN A. et al.
Astron. & Astrophys., 613, A47
paper  arxiv