Planet K2-146 b
| Name | K2-146 b | ||
| Planet Status | Confirmed | ||
| Discovered in | 2018 | ||
| Mass | 0.01816 ( -0.00024 +0.00024 ) MJ |  |
|
| Mass*sin(i) | — | ||
| Semi-Major Axis | 0.027 (± 0.001) AU | |
|
| Orbital Period | 2.6446 ( -6e-05 +6e-05 ) day | |
|
| Eccentricity | 0.129 ( -0.019 +0.019 ) | |
|
| ω | -64.0 ( -6.0 +6.0 ) deg | |
|
| Tperi | — | ||
| Radius | 0.183 ( -0.005 +0.005 ) RJ | |
|
| Inclination | 88.93 ( -0.11 +0.11 ) deg | |
|
| Update | 2021-02-05 | ||
| Detection Method | Primary Transit | ||
| Mass Detection Method | — | ||
| Radius Detection Method | Primary Transit | ||
| Primary transit | 2457139.35327 (± 0.00085) JD | |
|
| Secondary transit | — | ||
| λ | — | ||
| Impact Parameter b | — | ||
| Time Vr=0 | — | ||
| Velocity Semiamplitude K | — | ||
| Calculated temperature | — | ||
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | 2MASS J08400641+1905346 b, EPIC 211924657 b, EPIC 211924657.01, WISE J084006.41+190533.1 b |
Star
K2-146| Name | K2-146 | ||
| Distance | 79.31 (± 0.45) pc | |
|
| Spectral type | M3.0 V | ||
| Apparent magnitude V | 16.25 | ||
| Mass | 0.33 ( -0.01 +0.01 ) MSun | ||
| Age | 5.0 ( --2.0 +4.0 ) Gyr | ||
| Effective temperature | 3385.0 (± 70.0) K | |
|
| Radius | 0.33 (± 0.01) RSun | |
|
| Metallicity [Fe/H] | -0.02 (± 0.12) | ||
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 08:40:06.4 | ||
| Dec2000 | +19:05:34 | ||
| Alternate Names | UCAC3 219-93463, 2MASS J08400641+1905346, K2-146, EPIC 211924657, WISE J084006.41+190533.1 | ||
| Planetary system | 2 planets |
Related publications
K2-146: Discovery of Planet c, Precise Masses from Transit Timing, and Observed Precession
2019
HAMANN A., MONTET B., FABRYCKY D. & AGOL E.
Astron. J., 158, 133
paper arxiv
It takes two planets in resonance to tango around K2-146
2019
LAM K., KORTH J., MASUDA K., CSIZMADIA Sz., EIGMÜLLER Ph. et al.
ApJ, submitted
arxiv
Exoplanets around Low-mass Stars Unveiled by K2
2018
HIRANO T., DAI F., GANDOLFI D., FUKUI A., LIVINGSTON J. et al.
ApJ, 155, 127
paper arxiv
