Planet Ross 128 b
| Name | Ross 128 b | ||
| Planet Status | Confirmed | ||
| Discovered in | 2017 | ||
| Mass | 0.0044 ( -0.00066 +0.00066 ) MJ | ||
| Mass*sin(i) | 0.0044 ( -0.00066 +0.00066 ) MJ | ||
| Semi-Major Axis | 0.0496 (± 0.0017) AU |  |
|
| Orbital Period | 9.8658 (± 0.007) day | |
|
| Eccentricity | 0.116 (± 0.097) | ||
| ω | — | ||
| Tperi | — | ||
| Radius | — | ||
| Inclination | — | ||
| Update | 2017-11-17 | ||
| Detection Method | Radial Velocity | ||
| Mass Detection Method | Radial Velocity | ||
| Radius Detection Method | — | ||
| Primary transit | — | ||
| Secondary transit | — | ||
| λ | — | ||
| Impact Parameter b | — | ||
| Time Vr=0 | — | ||
| Velocity Semiamplitude K | 1.39 (± 0.18) m/s | ||
| Calculated temperature | 256.0 (± 45.0) K | |
|
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | — |
Star
Ross 128| Name | Ross 128 | ||
| Distance | 3.3806 (± 0.0064) pc | |
|
| Spectral type | M4 | ||
| Apparent magnitude V | 11.15 | ||
| Mass | 0.168 (± 0.017) MSun | |
|
| Age | 5.0 Gyr | |
|
| Effective temperature | 3192.0 (± 60.0) K | |
|
| Radius | 0.1967 (± 0.0077) RSun | |
|
| Metallicity [Fe/H] | -0.02 (± 0.08) | |
|
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 11:47:44.0 | ||
| Dec2000 | +00:48:16 | ||
| Alternate Names | |||
| Planetary system | 1 planet |
Related publications
Habitability of exoplanet waterworlds
2018
KITE E. & FORD E.
ApJ, 864, 75
arxiv
paper
Stellar and Planetary Characterization of the Ross 128 Exoplanetary System from APOGEE Spectra
2018
SOUTO D., UNTERBORN C., SMITH V., CUNHA K., TESKE J. et al.
ApJL, 860, L15
paper arxiv
A temperate exo-Earth around a quiet M dwarf at 3.4 parsecs
2017
BONFILS X., ASTUDILLO-DEFRU N., DIAZ R., ALMENARA J.-M., FORVEILLE Th. et al.
Astron. & Astrophys., in press
paper arxiv
