Planet LTT 9779 b
| Name | LTT 9779 b | ||
| Planet Status | Confirmed | ||
| Discovered in | 2019 | ||
| Mass | 0.09225 ( -0.00255 +0.00245 ) MJ |  |
+ |
| Mass*sin(i) | — | ||
| Semi-Major Axis | 0.01679 (± 0.00014) AU | ||
| Orbital Period | 0.7920641 (± 1.4e-07) day | |
+ |
| Eccentricity | 0.0 | |
|
| ω | — | ||
| Tperi | — | ||
| Radius | 0.4211 (± 0.0205) RJ | |
+ |
| Inclination | 76.39 (± 0.43) deg | |
+ |
| Update | 2023-07-11 | ||
| Detection Method | Primary Transit | ||
| Mass Detection Method | Radial Velocity | ||
| Radius Detection Method | Primary Transit | ||
| Primary transit | 2459043.31061 (± 9e-05) JD | |
+ |
| Secondary transit | — | ||
| λ | — | ||
| Impact Parameter b | — | ||
| Time Vr=0 | — | ||
| Velocity Semiamplitude K | 19.65 (± 0.43) m/s | |
|
| Calculated temperature | 2000.0 K | |
|
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | 0.8 ( -0.17 +0.1 ) | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | TOI-193 b |
Star
LTT 9779| Name | LTT 9779 | ||
| Distance | 80.6 (± 0.33) pc | |
|
| Spectral type | G8 | ||
| Apparent magnitude V | 9.76 | ||
| Mass | 1.0 (± 0.03) MSun | |
|
| Age | — | ||
| Effective temperature | 5445.0 (± 84.0) K | |
|
| Radius | 0.92 (± 0.01) RSun | |
|
| Metallicity [Fe/H] | 0.25 (± 0.08) | |
|
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 23:54:40.0 | ||
| Dec2000 | -37:37:41 | ||
| Alternate Names | |||
| Planetary system | 1 planet |
Related publications
Characterising a World Within the Hot Neptune Desert: Transit Observations of LTT 9779 b with HST WFC3
2023
EDWARDS B., CHANGEAT Q., TSIARAS A., ALLAN A., BEHR P. et al.
Astron. J., 166, 158
paper arxiv
Converting the sub-Jovian desert of exoplanets to a savanna with TESS, PLATO and Ariel
2023
KALMAN Sz., SZABO G., BORSATO L., BODI A., PAL A. & SZABO R.
MNRAS, 522, 488
paper arxiv
The extremely high albedo of LTT 9779 b revealed by CHEOPS - An ultrahot Neptune with a highly metallic atmosphere
2023
HOYER S., JENKINS J., PARMENTIER V., DELEUIL M., SCANDARIATO G. et al.
Astron. & Astrophys., 675, A81
paper
Empirical limb-darkening coefficients & transit parameters of known exoplanets from TESS
2022
PATEL J. & ESPINOZA N.
Astron. J., 163, 228
paper arxiv
An ultrahot Neptune in the Neptune desert
2020
JENKINS J., DIAZ M., KURTOVIC N., ESPINOZA N., VINES J. et al.
Nature Astron., 4, 1148
paper arxiv
Phase Curves of Hot Neptune LTT 9779b Suggest a High-Metallicity Atmosphere
2020
CROSSFIELD I., DRAGOMIR D., COWAN N., DAYLAN T., WONG I. et al.
ApJ. Letters, 903, L7
paper arxiv
Spitzer Reveals Evidence of Molecular Absorption in the Atmosphere of the Hot Neptune LTT 9779b
2020
DRAGOMIR D., CROSSFIELD I., BENNEKE B., WONG I., DAYLAN T. et al.
ApJ. Letters, 903, L6
paper arxiv
A search for multi-planet systems with TESS using a Bayesian N-body retrieval and machine learning
2019
PEARSON K.
Astron. J., 158, 243
paper arxiv
