Planet K2-39 b
| Name | K2-39 b | ||
| Planet Status | Confirmed | ||
| Discovered in | 2016 | ||
| Mass | 0.09 ( -0.05 +0.05 ) MJ |  |
|
| Mass*sin(i) | — | ||
| Semi-Major Axis | 0.062 ( -0.012 +0.01 ) AU | |
|
| Orbital Period | 4.60543 (± 0.00046) day | |
|
| Eccentricity | 0.0 | |
|
| ω | — | ||
| Tperi | — | ||
| Radius | 0.56 ( -0.15 +0.15 ) RJ | |
|
| Inclination | 80.39 ( -4.19 +4.19 ) deg | |
|
| Update | 2021-02-05 | ||
| Detection Method | Primary Transit | ||
| Mass Detection Method | Radial Velocity | ||
| Radius Detection Method | Primary Transit | ||
| Primary transit | 2456980.8236 (± 0.0039) JD | |
|
| Secondary transit | — | ||
| λ | — | ||
| Impact Parameter b | 0.57 ( -0.2 +0.15 ) | |
|
| Time Vr=0 | — | ||
| Velocity Semiamplitude K | 14.4 ( -2.6 +2.6 ) m/s | |
|
| Calculated temperature | — | ||
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | 2MASS J22332842-0901219 b, EPIC 206247743 b, EPIC 206247743.01, TYC 5811-00835-1 b, WISE J223328.38-090122.4 b |
Star
K2-39| Name | K2-39 | ||
| Distance | 310.14 ( -4.7 +4.7 ) pc | ||
| Spectral type | |||
| Apparent magnitude V | 10.83 | ||
| Mass | 0.66 ( -0.56 +0.56 ) MSun | ||
| Age | 3.09 ( -0.7 +0.92 ) Gyr | |
|
| Effective temperature | 4881.0 (± 20.0) K | |
|
| Radius | 2.97 ( -0.77 +0.77 ) RSun | ||
| Metallicity [Fe/H] | 0.32 (± 0.04) | |
|
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 22:33:28.4 | ||
| Dec2000 | -09:01:22 | ||
| Alternate Names | 2MASS J22332842-0901219, EPIC 206247743, TYC 5811-835-1, WISE J223328.38-090122.4 | ||
| Planetary system | 1 planet |
Related publications
Accurate Empirical Radii and Masses of Planets and Their Host Stars with Gaia Parallaxes
2017
STASSUN K. G., COLLINS K. A., GAUDI B. S.
The Astronomical Journal, 153, 136
ADS
Four Sub-Saturns with Dissimilar Densities: Windows into Planetary Cores and Envelopes
2017
PETIGURA E., SINUKOFF E., LOPEZ E., CROSSFIELD I., HOWARD A. et al.
Astron. J., 153, 142
paper arxiv ADS
The K2-ESPRINT Project V: a short-period giant planet orbiting a subgiant star
2016
VAN EYLEN V., ALBRECHT S., GANDOLFI D., DAI F., WINN J. et al.
Astron. J., 152, 143
arxiv
paper
ADS
