Planet GJ 1252 b
| Name | GJ 1252 b | ||
| Planet Status | Confirmed | ||
| Discovered in | 2018 | ||
| Mass | 0.00415 (± 0.00176) MJ |  |
+ |
| Mass*sin(i) | — | ||
| Semi-Major Axis | 0.00916 (± 0.00076) AU | |
|
| Orbital Period | 0.5182349 ( -5e-06 +6.3e-06 ) day | |
|
| Eccentricity | — | ||
| ω | — | ||
| Tperi | — | ||
| Radius | 0.1053 (± 0.00696) RJ | |
+ |
| Inclination | 85.0 ( -1.8 +2.1 ) deg | |
|
| Update | 2022-08-22 | ||
| Detection Method | Primary Transit | ||
| Mass Detection Method | Spectrum | ||
| Radius Detection Method | Primary Transit | ||
| Primary transit | 2458668.09739 ( -0.00029 +0.00032 ) JD | |
|
| Secondary transit | 2458668.3375 ( -0.0007 +0.0019 ) JD | |
|
| λ | — | ||
| Impact Parameter b | 0.44 ( -0.17 +0.12 ) | |
|
| Time Vr=0 | — | ||
| Velocity Semiamplitude K | 3.17 (± 0.85) m/s | |
|
| Calculated temperature | 997.0 ( -49.0 +53.0 ) K | |
|
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | — |
Star
GJ 1252| Name | GJ 1252 | ||
| Distance | 20.38 (± 0.02) pc | |
|
| Spectral type | — | ||
| Apparent magnitude V | 12.0 | ||
| Mass | 0.381 (± 0.019) MSun | |
|
| Age | — | ||
| Effective temperature | 3458.0 ( -133.0 +140.0 ) K | |
|
| Radius | 0.391 (± 0.02) RSun | |
|
| Metallicity [Fe/H] | 0.1 (± 0.1) | |
|
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 20:27:42.0 | ||
| Dec2000 | -56:27:25 | ||
| Alternate Names | |||
| Planetary system | 1 planet |
Related publications
A rocky exoplanet classification method and its application to calculating surface pressure and surface temperature
2023
McINTYRE S., KING P. & MILLS F.
MNRAS, in press
paper arxiv
GJ 1252b: A Hot Terrestrial Super-Earth With No Atmosphere
2022
CROSSFIELD I., MALIK M., HILL M., KANE S., FOLEY B. et al.
ApJ. Letters, accepted
arxiv
GJ 1252 b: A 1.2 R⊕ planet transiting an M-dwarf at 20.4 pc
2020
SHPORER A., COLLINS K., ASTUDILLO-DEFRU N., IRWIN J., BONFILS X. et al.
ApJ. Letters, 890, L7
paper arxiv
