Planet 8 Umi b

Name 8 Umi b
Planet Status Confirmed
Discovered in 2015
Mass 1.5 ( -0.2 +0.2 ) MJ
Mass*sin(i) 1.5 ( -0.2 +0.2 ) MJ
Semi-Major Axis 0.49 (± 0.03) AU
Orbital Period 93.4 (± 4.5) day
Eccentricity 0.06 (± 0.18)
ω 91.0 (± 84.6) deg
Tperi 2454108.5 (± 22.8) JD
Radius
Inclination
Update 2015-10-01
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 46.1 (± 4.0) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

8 Umi
Name 8 Umi
Distance 159.1 (± 11.0) pc
Spectral type K0
Apparent magnitude V 6.83
Mass 1.8 (± 0.1) MSun
Age 1.7 (± 0.2) Gyr
Effective temperature 4847.4 (± 7.5) K
Radius 9.9 (± 0.4) RSun
Metallicity [Fe/H] -0.03 (± 0.02)
Detected Disc
Magnetic Field
RA2000 14:56:48.0
Dec2000 +74:54:03
Alternate Names
Planetary system 1 planet

More data


Related publications

Search for exoplanet around northern circumpolar stars - Four planets around HD 11755, HD 12648, HD 24064, and 8 Ursae Minoris
2015 LEE B.-C., PARK M.-G., LEE S.-M., JEONG G., OH H.-I. et al.
Astron. & Astrophys., 584, A79
paper  arxiv ADS