Planet GJ 422 b
| Name | GJ 422 b | ||
| Planet Status | Confirmed | ||
| Discovered in | 2014 | ||
| Mass | — | ||
| Mass*sin(i) | 0.03285 ( -0.00588 +0.00733 ) MJ |  |
+ |
| Semi-Major Axis | 0.111 (± 0.009) AU | |
+ |
| Orbital Period | 20.129 (± 0.012) day | |
+ |
| Eccentricity | 0.1 (± 0.12) | |
+ |
| ω | 283.0 ( -54.0 +12.0 ) deg | |
+ |
| Tperi | — | ||
| Radius | — | ||
| Inclination | — | ||
| Update | 2020-01-09 | ||
| Detection Method | Radial Velocity | ||
| Mass Detection Method | Spectrum | ||
| Radius Detection Method | — | ||
| Primary transit | — | ||
| Secondary transit | — | ||
| λ | — | ||
| Impact Parameter b | — | ||
| Time Vr=0 | — | ||
| Velocity Semiamplitude K | 4.2 ( -0.35 +1.0 ) m/s | |
|
| Calculated temperature | — | ||
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | — |
Star
GJ 422| Name | GJ 422 | ||
| Distance | 12.67 (± 0.005) pc | ||
| Spectral type | M3.5V | ||
| Apparent magnitude V | 11.516 | ||
| Mass | 0.35 MSun | |
+ |
| Age | — | ||
| Effective temperature | 3323.0 K | |
|
| Radius | — | ||
| Metallicity [Fe/H] | — | ||
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 11:16:00.2 | ||
| Dec2000 | -56:27:08 | ||
| Alternate Names | HIP 55042 | ||
| Planetary system | 1 planet |
Related publications
Search for Nearby Earth Analogs. II. detection of five new planets, eight planet candidates, and confirmation of three planets around nine nearby M dwarfs
2020
FENG F., BUTLER P., SHECTMAN S., CRANE J., VOGT S. et al.
ApJ. Suppl., 246, 11
paper arxiv
Bayesian search for low-mass planets around nearby M dwarfs. Estimates for occurrence rate based on global detectability statistics
2014
TUOMI M., JONES H., BARNES J., ANGLADA-ESCUDE G. & JRNKINS J.
MNRAS, 441, 1545
paper arxiv
Strong Dependence of the Inner Edge of the Habitable Zone on Planetary Rotation Rate
2014
YANG J., BOUE G., FABRYCKY D. & ABBOT D.
ApJ Letters, 787, L2
paper arxiv
Cosmological aspects of planetary habitability
2014
SHCHEKINOV Y., SAFONOVA M. & MURTHY J.
ApJ, submitted
arxiv
