Planet WASP-138 b
| Name |
WASP-138 b |
|
|
| Planet Status |
Confirmed |
|
|
| Discovered in |
2016 |
|
|
| Mass |
1.22 ( -0.08 +0.08 ) MJ |
 |
|
| Mass*sin(i) |
1.09 ( -0.05 +0.05 ) MJ |
|
|
| Semi-Major Axis |
0.0494 (± 0.0007) AU |
|
|
| Orbital Period |
3.634433 (± 5e-06) day |
|
|
| Eccentricity |
— |
|
|
| ω |
— |
|
|
| Tperi |
2457326.62183 (± 0.000319) JD |
|
|
| Radius |
— |
|
|
| Inclination |
88.5 ( -1.2 +0.9 ) deg |
|
|
| Update |
2016-07-27 |
|
|
| Detection Method |
Primary Transit |
|
|
| Mass Detection Method |
Radial Velocity |
|
|
| Radius Detection Method |
Primary Transit |
|
|
| Primary transit |
— |
|
|
| Secondary transit |
— |
|
|
| λ |
— |
|
|
| Impact Parameter b |
0.19 ( -0.15 +0.12 ) |
|
|
| Time Vr=0 |
— |
|
|
| Velocity Semiamplitude K |
— |
|
|
| Calculated temperature |
— |
|
|
| Measured temperature |
— |
|
|
| Hottest point longitude |
— |
|
|
| Geometric albedo |
— |
|
|
| Surface gravity log(g/gH) |
— |
|
|
| Alternate Names |
— |
|
|
Star
| Name |
WASP-138 |
|
|
| Distance |
308.0 (± 51.0) pc |
|
|
| Spectral type |
F9 |
|
|
| Apparent magnitude V |
11.81 |
|
|
| Mass |
1.22 (± 0.08) MSun |
|
|
| Age |
— |
|
|
| Effective temperature |
6272.0 (± 96.0) K |
|
|
| Radius |
1.36 (± 0.05) RSun |
|
|
| Metallicity [Fe/H] |
-0.09 (± 0.1) |
|
|
| Detected Disc |
— |
|
|
| Magnetic Field |
— |
|
|
| RA2000 |
02:46:33.4 |
|
|
| Dec2000 |
-00:27:50 |
|
|
| Alternate Names |
|
|
|
| Planetary system |
1 planet
|
|
Related publications
From Dense Hot Jupiter to Low Density Neptune: The Discovery of WASP-127b, WASP-136b and WASP-138b
2016
LAM, K., FAEDI, F., BROWN, D., ANDERSON, D., DELREZ & 37 additional authors
Astron. & Astrophys., 599, A3
paper arxiv
ADS
