Planet GJ 3473 b
| Name | GJ 3473 b | ||
| Planet Status | Confirmed | ||
| Discovered in | 2020 | ||
| Mass | 0.00585 (± 0.0009) MJ |  |
|
| Mass*sin(i) | — | ||
| Semi-Major Axis | 0.01589 (± 0.00062) AU | |
|
| Orbital Period | 1.1980035 (± 1.9e-06) day | |
|
| Eccentricity | 0.0 | |
|
| ω | — | ||
| Tperi | — | ||
| Radius | 0.11277 (± 0.00045) RJ | |
|
| Inclination | 87.95 (± 0.047) deg | |
|
| Update | 2020-09-23 | ||
| Detection Method | Primary Transit | ||
| Mass Detection Method | Radial Velocity | ||
| Radius Detection Method | Primary Transit | ||
| Primary transit | 2458492.20408 (± 0.00043) JD | |
|
| Secondary transit | — | ||
| λ | — | ||
| Impact Parameter b | — | ||
| Time Vr=0 | — | ||
| Velocity Semiamplitude K | 2.21 (± 0.35) m/s | |
|
| Calculated temperature | 773.0 (± 16.0) K | |
|
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | — |
Star
GJ 3473| Name | GJ 3473 | ||
| Distance | 27.39 (± 0.04) pc | |
|
| Spectral type | M4V | ||
| Apparent magnitude V | 13.0 | ||
| Mass | 0.36 (± 0.016) MSun | |
|
| Age | — | ||
| Effective temperature | 3347.0 (± 54.0) K | |
|
| Radius | 0.364 (± 0.012) RSun | |
|
| Metallicity [Fe/H] | 0.11 (± 0.19) | |
|
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 08:02:23.0 | ||
| Dec2000 | +03:20:20 | ||
| Alternate Names | TOI-488 | ||
| Planetary system | 2 planets |
Related publications
Discovery of a hot, transiting, Earth-sized planet and a second temperate, non-transiting planet around the M4 dwarf GJ 3473 (TOI-488)
2020
KEMMER J., STOCK S., KOSSAKOWSKI D., KAMINSKI A., MOLAVERDIKHANI K. et al.
Astron. & Astrophys., 642, A236
paper arxiv
Gaia search for stellar companions of TESS Objects of Interest
2020
MUGRAUER M. & MICHEL K.-U.
Astron. Nachricht., 341, 996
paper
arxiv
