Planet GJ 357 c

Name GJ 357 c
Planet Status Confirmed
Discovered in 2019
Mass 0.0113 ( -0.00135 +0.0016 ) MJ
Mass*sin(i) 0.0113 ( -0.00135 +0.0016 ) MJ
Semi-Major Axis 0.085 (± 0.001) AU
Orbital Period 9.1258 ( -0.001 +0.0011 ) day
Eccentricity
ω
Tperi 2458314.65027 ( -0.00063 +0.00075 ) JD
Radius
Inclination
Update 2019-06-20
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 2.25 ( -0.27 +0.31 ) m/s
Calculated temperature 335.7 (± 7.5) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

GJ 357
Name GJ 357
Distance 9.444 (± 0.005) pc
Spectral type M2.5 V
Apparent magnitude V
Mass 0.342 (± 0.011) MSun
Age
Effective temperature 3505.0 (± 51.0) K
Radius 0.337 (± 0.015) RSun
Metallicity [Fe/H] -0.12 (± 0.16)
Detected Disc
Magnetic Field
RA2000 09:36:01.6
Dec2000 -21:39:39
Alternate Names TOI 562, Gliese 357, L 678-39
Planetary system
3 planets

More data


Related publications

Frequency of planets orbiting M dwarfs in the Solar neighbourhood
2019 TUOMI M., JONES H., ANGLADA-ESCUDE G., BUTLER P., ARRIAGADA P. et al.
ApJ. Suppl., submitted
arxiv  

A planetary system around the nearby M dwarf Gl 357 including a transiting hot Earth-sized planet optimal for atmospheric characterisation
2018 LUQUE R., PALLE E., KOSSALOWSKI D., DREIZLER S., KEMMER J. et al.
Astron. & Astrophys., submitted
arxiv