Planet LTT 3780 c
| Name | LTT 3780 c | ||
| Planet Status | Confirmed | ||
| Discovered in | 2020 | ||
| Mass | 0.0267 ( -0.0044 +0.0053 ) MJ |  |
|
| Mass*sin(i) | — | ||
| Semi-Major Axis | 0.077 AU | |
|
| Orbital Period | 12.252048 (± 6e-05) day | |
|
| Eccentricity | 0.115 ( -0.065 +0.07 ) | ||
| ω | 250.0 (± 36.0) deg | ||
| Tperi | — | ||
| Radius | 0.205 (± 0.0143) RJ | |
|
| Inclination | 89.08 ( -0.13 +0.11 ) deg | ||
| Update | 2020-03-04 | ||
| Detection Method | Primary Transit | ||
| Mass Detection Method | Spectrum | ||
| Radius Detection Method | Primary Transit | ||
| Primary transit | 2458546.8492 (± 0.0017) JD | ||
| Secondary transit | — | ||
| λ | — | ||
| Impact Parameter b | 0.756 ( -0.031 +0.034 ) | ||
| Time Vr=0 | — | ||
| Velocity Semiamplitude K | — | ||
| Calculated temperature | 353.0 K | |
|
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | TOI-732 c, LP 729-54 c |
Star
LTT 3780| Name | LTT 3780 | ||
| Distance | 21.981 (± 0.04) pc | |
|
| Spectral type | M4V | ||
| Apparent magnitude V | 13.0 | ||
| Mass | 0.401 (± 0.012) MSun | |
|
| Age | — | ||
| Effective temperature | 3360.0 (± 51.0) K | |
+ |
| Radius | 0.374 (± 0.011) RSun | |
|
| Metallicity [Fe/H] | 0.28 (± 0.13) | |
|
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 10:18:35.0 | ||
| Dec2000 | -11:43:04 | ||
| Alternate Names | TOI-732, LP 729-54 | ||
| Planetary system | 2 planets |
Related publications
Characterising atmospheres of cloudy temperate mini-neptunes with JWST
2022
CONSTANTINOU S. & MADHUSUDHAN N.
MNRAS, 514, 2073
paper
A pair of TESS planets spanning the radius valley around the nearby mid-M dwarf LTT 3780
2020
CLOUTIER R., EASTMAN J., RODRIGUEZ J., ASTUDILLO-DEFRU N., BONFILS X. et al.
Astron. J., 160, 3
paper arxiv
The CARMENES search for exoplanets around M dwarfs. Two planets on the opposite sides of the radius gap transiting the nearby M dwarf LP 729-54
2020
NOWAK G., LUQUE R., PARVIAINEN H., PALLE E., MOLAVERDIKHANI K. et al.
Astron. & Astrophys., 642, A173
paper arxiv
