Planet LTT 1445A c
| Name | LTT 1445A c | ||
| Planet Status | Confirmed | ||
| Discovered in | 2020 | ||
| Mass | 0.00485 (± 0.0006) MJ |  |
|
| Mass*sin(i) | — | ||
| Semi-Major Axis | 0.0266 (± 0.0005) AU | |
|
| Orbital Period | 3.1239035 (± 3.6e-05) day | ||
| Eccentricity | 0.223 ( -0.223 +0.0 ) | |
|
| ω | — | ||
| Tperi | — | ||
| Radius | 0.10233 (± 0.00491) RJ | |
|
| Inclination | 87.43 ( -0.29 +0.18 ) deg | |
|
| Update | 2022-10-22 | ||
| Detection Method | Primary Transit | ||
| Mass Detection Method | Radial Velocity | ||
| Radius Detection Method | Primary Transit | ||
| Primary transit | 2458412.58159 (± 0.00059) JD | |
|
| Secondary transit | — | ||
| λ | — | ||
| Impact Parameter b | 0.937 ( -0.016 +0.012 ) | |
|
| Time Vr=0 | — | ||
| Velocity Semiamplitude K | 1.67 (± 0.21) m/s | |
|
| Calculated temperature | 508.0 (± 25.0) K | |
|
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | TOI-455 c |
Star
LTT 1445A| Name | LTT 1445A | ||
| Distance | 6.9 pc | |
|
| Spectral type | M | ||
| Apparent magnitude V | — | ||
| Mass | 0.256 (± 0.014) MSun | |
|
| Age | — | ||
| Effective temperature | 3340.0 (± 159.0) K | |
|
| Radius | 0.27 (± 0.012) RSun | |
|
| Metallicity [Fe/H] | -0.34 (± 0.09) | |
|
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 03:01:51.0 | ||
| Dec2000 | -16:35:36 | ||
| Alternate Names | |||
| Planetary system | 3 planets |
Remarks
More data
- Simbad
- Most recent references (ADS)
Related publications
Planetary system around LTT 1445A unveiled by ESPRESSO: Multiple planets in a triple M-dwarf system
2023
LAVIE B., BOUCHY F., LOVIS Ch., ZAPATERO OSORIO M., DELINE A. et al.
Astron. & Astrophys., 673, A69
paper arxiv
The Demographics of Terrestrial Planets in the Venus Zone
2023
OSTBERG C., KANE S., LI Zh., SCHWIETERMAN E., HILL M. et al.
Astron. J., 165, 168
paper arxiv
HST/WFC3 Light Curve Confirms the Closest Exoplanet to Transit an M Dwarf is Terrestrial
2023
PASS E., WINTERS J., CHARBONNEAU D., BALKANSKI A., LEWIS N. et al.
Astron. J., submitted
arxiv
A Second Planet Transiting LTT~1445A and a Determination of the Masses of Both Worlds
2022
WINTERS J., CLOUTIER R., MEDINA A., IRWIN J., CHARBONNEAU D. et al.
Astron. J., 163, 168
paper arxiv
X-ray Emission from the Exoplanet Hosting LTT 1445 Triple Star System
2022
BROWN A., FRONING C., YOUNGBLOOD A., FRANCE K., WILSON D. et al.
Astron. J., 164, 206
paper arxiv
Three Red Suns in the Sky: A Transiting, Terrestrial Planet in a Triple M Dwarf System at 6.9 Parsecs
2019
WINTERS J., MEDINA A., IRWIN J., CHARBONNEAU D., ASTUDILLI-DEFRU N. et al.
Astron. J., 158, 152
paper arxiv
