Planet gamma Lib c

Name gamma Lib c
Planet Status Confirmed
Discovered in 2018
Mass 4.63 ( -0.12 +0.22 ) MJ
Mass*sin(i) 4.63 ( -0.12 +0.22 ) MJ
Semi-Major Axis 2.1761 ( -0.002 +0.0025 ) AU
Orbital Period 964.6 (± 3.1) day
Eccentricity 0.054 (± 0.022)
ω 154.3 ( -7.2 +9.3 ) deg
Tperi 2450716.0 ( -16.0 +11.0 ) JD
Radius
Inclination
Update 2018-04-16
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 73.0 (± 2.1) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

gamma Lib
Name gamma Lib
Distance 50.2 (± 0.4) pc
Spectral type K0III
Apparent magnitude V 3.0
Mass 1.47 (± 0.2) MSun
Age 2.8 ( -2.0 +5.0 ) Gyr
Effective temperature 4822.0 (± 15.0) K
Radius 11.1 ( -0.3 +1.0 ) RSun
Metallicity [Fe/H] -0.3 (± 0.03)
Detected Disc
Magnetic Field
RA2000 15:35:32.0
Dec2000 -14:47:22
Alternate Names
Planetary system
2 planets

More data


Related publications

Planets around the evolved stars 24 Booties and γ Libra: A 30d-period planet and a double giant-planet system in possible 7:3 MMR
2018 TAKARADA T., SATO B., OMIYA M., HARAKAWA H., NAGASAWA M. et al.
PASJ, 70, 59
arxiv   paper