Planet GJ 357 d

Name GJ 357 d
Planet Status Confirmed
Discovered in 2019
Mass
Mass*sin(i) 0.0242 ( -0.011 +0.0123 ) MJ
Semi-Major Axis 0.204 ( -0.022 +0.018 ) AU +
Orbital Period 55.66 (± 0.14) day +
Eccentricity 0.03 ( -0.03 +0.2 )
ω
Tperi
Radius
Inclination
Update 2019-08-05
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 2.56 (± 1.14) m/s
Calculated temperature 220.0 (± 6.0) 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  

The Habitability of GJ 357 d : Possible Climates and Observability
2019 KALTENEGGER L., MADDEN J., LIN Z., RUGHEIMER S., SEGURA A. et al.
ApJ. Lett., accepted
arxiv

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