Planet GJ 273 b
| Name |
GJ 273 b |
|
|
| Planet Status |
Confirmed |
|
|
| Discovered in |
2017 |
|
|
| Mass |
0.00909 ( -0.00082 +0.00085 ) MJ |
|
|
| Mass*sin(i) |
0.00909 ( -0.00082 +0.00085 ) MJ |
|
|
| Semi-Major Axis |
0.091101 ( -1.7e-05 +1.9e-05 ) AU |
 |
|
| Orbital Period |
18.6498 ( -0.0052 +0.0059 ) day |
|
|
| Eccentricity |
0.1 ( -0.07 +0.09 ) |
|
|
| ω |
— |
|
|
| Tperi |
— |
|
|
| Radius |
— |
|
|
| Inclination |
— |
|
|
| Update |
2017-03-21 |
|
|
| 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 |
1.61 (± 0.15) m/s |
|
|
| Calculated temperature |
— |
|
|
| Measured temperature |
— |
|
|
| Hottest point longitude |
— |
|
|
| Geometric albedo |
— |
|
|
| Surface gravity log(g/gH) |
— |
|
|
| Alternate Names |
— |
|
|
Star
| 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 |
2 planets
|
|
Related publications
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
