Planet Ross 128 b

Name Ross 128 b
Planet Status Confirmed
Discovered in 2017
Mass 0.0044 (± 0.00066) MJ
Mass*sin(i) 0.0044 (± 0.00066) MJ
Semi-Major Axis 0.0496 (± 0.0017) AU
Orbital Period 9.8658 (± 0.007) JD
Eccentricity 0.116 (± 0.097)
ω
Tperi
Radius
Inclination
Update 2017-11-17
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 1.39 (± 0.18) m/s
Calculated temperature 256.0 (± 45.0) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

Ross 128
Name Ross 128
Distance 3.3806 (± 0.0064) pc
Spectral type M4
Apparent magnitude V 11.15
Mass 0.168 (± 0.017) MSun
Age 5.0 Gyr
Effective temperature 3192.0 (± 60.0) K
Radius 0.1967 (± 0.0077) RSun
Metallicity [Fe/H] -0.02 (± 0.08)
Detected Disc
Magnetic Field
RA2000 11:47:44.0
Dec2000 +00:48:16
Alternate Names
Planetary system 1 planet

More data


Related publications

A temperate exo-Earth around a quiet M dwarf at 3.4 parsecs
2017 BONFILS X., ASTUDILLO-DEFRU N., DIAZ R., ALMENARA J.-M., FORVEILLE Th. et al.
Astron. & Astrophys., in press
paper arxiv