Planet GJ 357 b

Name GJ 357 b
Planet Status Confirmed
Discovered in 2019
Mass 0.00513 (± 0.0009) MJ
Mass*sin(i)
Semi-Major Axis 0.034 (± 0.002) AU
Orbital Period 3.93056 (± 9e-05) day
Eccentricity 0.02 ( -0.02 +0.21 )
ω
Tperi 2458517.99912 ( -0.00057 +0.00056 ) JD
Radius 0.10402 ( -0.00571 +0.0058 ) RJ
Inclination 88.92 (± 0.3) deg
Update 2019-08-07
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit
Secondary transit
λ
Impact Parameter b 0.41 ( -0.11 +0.09 )
Time Vr=0
Velocity Semiamplitude K 1.35 (± 0.25) m/s
Calculated temperature 525.0 (± 10.0) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names TOI-562.01

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

A planetary system around the nearby M dwarf Gl 357 including a transiting hot Earth-sized planet optimal for atmospheric characterisation
2019 LUQUE R., PALLE E., KOSSALOWSKI D., DREIZLER S., KEMMER J. et al.
Astron. & Astrophys., 628, A39
paper  arxiv  

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