Planet GJ 357 d
| Name | GJ 357 d | ||
| Planet Status | Confirmed | ||
| Discovered in | 2019 | ||
| Mass | — |  |
|
| Mass*sin(i) | 0.0227 (± 0.0053) MJ | |
+ |
| Semi-Major Axis | 0.204 (± 0.0069) AU | |
+ |
| Orbital Period | 55.698 (± 0.45) day | |
+ |
| Eccentricity | 0.033 ( -0.033 +0.057 ) | |
+ |
| ω | 17.0 (± 125.0) deg | |
|
| Tperi | — | ||
| Radius | — | |
|
| Inclination | — | ||
| Update | 2019-09-04 | ||
| 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 | 2.41 (± 0.32) 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 | L 678-39, Gliese 357, TOI 562 | ||
| Planetary system | 3 planets |
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., 883, L40
paper 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
GJ 357: A low-mass planetary system uncovered by precision radial-velocities and dynamical simulations
2019
JENKINS J., POZUELOS J., TUOMI M., BERDIÑAS Z., DIAZ M. et al.
MNRAS, in press
paper arxiv
