Planet HD 208897 b

Name HD 208897 b
Planet Status Confirmed
Discovered in 2017
Mass 1.4 (± 0.08) MJ
Mass*sin(i) 1.4 (± 0.08) MJ
Semi-Major Axis 1.05 (± 0.03) AU
Orbital Period 352.7 (± 1.7) JD
Eccentricity 0.07 (± 0.06)
ω 167.0 (± 83.0) deg
Tperi 2455036.0 (± 82.0) JD
Radius
Inclination
Update 2017-08-09
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 34.7 (± 2.2) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

HD 208897
Name HD 208897
Distance 64.68 pc
Spectral type K0
Apparent magnitude V 6.51
Mass 1.25 (± 0.11) MSun
Age
Effective temperature 4860.0 (± 100.0) K
Radius 4.98 (± 0.2) RSun
Metallicity [Fe/H] 0.21 (± 0.15)
Detected Disc
Magnetic Field
RA2000 21:58:59.7
Dec2000 +19:01:13
Alternate Names HIP 108513
Planetary system 1 planet

More data


Related publications

A Jupiter-mass planet around the K0 giant HD 208897
2017 YILMAZ M., SATO B., BIKMAEV I., SELAM S., IZUMIURA H. et al.
Astron. & Astrophys., in press
paper  arxiv