Planet GJ 357 b
| Name | GJ 357 b | ||
| Planet Status | Confirmed | ||
| Discovered in | 2019 | ||
| Mass | 0.006566 (± 0.00101) MJ |  |
+ |
| Mass*sin(i) | — | ||
| Semi-Major Axis | 0.033 (± 0.001) AU | |
+ |
| Orbital Period | 3.93086 (± 4e-05) day | |
+ |
| Eccentricity | 0.047 ( -0.047 +0.059 ) | |
+ |
| ω | 220.0 (± 70.0) deg | |
|
| Tperi | 2458517.99912 ( -0.00057 +0.00056 ) JD | |
|
| Radius | 0.10411 (± 0.0033) RJ | ||
| Inclination | 88.496 ( -0.043 +0.025 ) deg | ||
| Update | 2020-07-21 | ||
| Detection Method | Primary Transit | ||
| Mass Detection Method | Radial Velocity | ||
| Radius Detection Method | Primary Transit | ||
| Primary transit | 2458517.9994 (± 0.0001) JD | ||
| Secondary transit | — | ||
| λ | — | ||
| Impact Parameter b | 0.529 ( -0.01 +0.005 ) | |
|
| Time Vr=0 | — | ||
| Velocity Semiamplitude K | 1.84 (± 0.23) 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 | L 678-39, Gliese 357, TOI 562 | ||
| Planetary system | 3 planets |
Related publications
Characterization of a set of small planets with TESS and CHEOPS and an analysis of photometric performance
2023
ODDO D., DRAGOMIR D., BRANDEKER A., OSBORN H., COLLINS K. et al.
Astron. J., 165, 134
paper arxiv
Atmospheres of Rocky Exoplanets
2022
WORDSWORTH R. & KREIDBERG L.
Ann. Rev. Astron. and Astrophysics, 60, 159
paper arxiv
GJ 357 b : A Super-Earth Orbiting an Extremely Inactive Host Star
2020
MODIRROUSTA D., STELZER B., MAGAUDDA E., MALDONADO J., GÜDEL M. et al.
Astron. & Astrophys., 641, A113
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., KOSSAKOWSKI 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
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
