Planet GJ 273 b
| Name | GJ 273 b | ||
| Planet Status | Confirmed | ||
| Discovered in | 2017 | ||
| Mass | 0.00922 MJ |  |
|
| Mass*sin(i) | 0.0069 (± 0.003) MJ | |
+ |
| Semi-Major Axis | 0.091 (± 0.01) AU | |
+ |
| Orbital Period | 18.64 (± 0.015) day | |
+ |
| Eccentricity | 0.1 ( -0.03 +0.25 ) | |
+ |
| ω | — | ||
| Tperi | — | ||
| Radius | — | ||
| Inclination | 80.0 deg | |
|
| Update | 2020-06-19 | ||
| 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 | 1.28 ( -0.5 +0.45 ) m/s | |
+ |
| Calculated temperature | — | ||
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | Luyten b |
Star
GJ 273| Name | GJ 273 | ||
| Distance | 3.8 pc | ||
| Spectral type | M3.5 | ||
| Apparent magnitude V | 9.87 | ||
| Mass | 0.29 MSun | |
|
| Age | — | |
|
| Effective temperature | 3382.0 (± 49.0) K | ||
| Radius | 0.293 (± 0.0027) RSun | |
|
| Metallicity [Fe/H] | 0.09 (± 0.17) | |
|
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 07:27:24.5 | ||
| Dec2000 | +05:13:33 | ||
| Alternate Names | |||
| Planetary system | 4 planets |
Related publications
GJ 273: On the formation, dynamical evolution and habitability of a planetary system hosted by an M dwarf at 3.75 parsec
2020
POZUELOS F., SUAREZ J., de ELIA G., BERDINAS Z., BONFANTI A. et al.
Astron. & Astrophys., accepted
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
The HARPS search for southern extra-solar planets XLI. A dozen planets around the M dwarfs GJ 3138, GJ 3323, GJ 273, GJ 628, and GJ 3293
2017
ASTUDILLO-DEFRU N., FORVEILLE Th., BONFILS X., SEGRANSAN D., BOUCHY F. et al.
Astron. & Astrophys., 602, A88
paper arxiv
