| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
TOI-4791 DR2 2930141657016297216 J07173322-1949443 |
||||
| RA | 07:17:33.2272 | DEC | -19:49:44.275 | ||
| Parallax 3.013 mas |
P.M. RA -14.285 mas/y |
P.M. DEC 6.141 mas/y |
|||
| MagV 11.471 |
MagR 11.32 |
MagI* 10.783 |
MagJ 10.319 |
MagH 10.108 |
MagK 10.019 |
| MagG 11.315 |
MagGBP 11.643 |
MagGRP 10.845 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Not verified 
|
|||||
|---|---|---|---|---|---|
| Yee et al. 2023 | |||||
| Mid-time 2459237.59508 ± 0.00036 BJDTDB |
|||||
| Period 4.28088 ± 2.2e-05 days |
|||||
| Transit Parameters | |||||
| Yee et al. 2023 | |||||
| Rp/Rs 0.08093207028119323 ± 0.0027801092844684694 |
a/Rs 8.46 +0.27 -0.26 |
i 85.55 +0.34 -0.33 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 7.61 mmag |
Duration* 3.34 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
|||||
| Limb Darkening Parameters | |||||
| Yee et al. 2023 | |||||
| Teff 6058.0 +99.0 -94.0 K |
Log(g) 4.23 +0.03 -0.03 cm/s2 |
Fe/H 0.207 +0.085 -0.089 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | HIGH | ||||
| Minimum aperture | 7.76" | ||||
| Total Observations (Recent) | 7 (3) | ||||
| O-C | 6.34 ± 0.89 minutes | ||||
| ExoClock Observations (Recent) | 7 (3) | ||||
| Space Observations (Recent) | 0 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | - | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| TOI-4791b (HIGH) 2025-12-13 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 9.16 ± 1.73 | |
| TOI-4791b (HIGH) 2025-11-13 | Karolina Prucnal DeepSkyChile - ROTUZ | PlaneWave CDK 20 QHY268M pro / R / 120.0 | 3.54 ± 1.31 | |
| TOI-4791b (HIGH) 2025-01-26 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 10.89 ± 2.16 | |
| TOI-4791b (HIGH) 2024-01-28 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 0.95 ± 3.46 | |
| TOI-4791b (HIGH) 2024-01-23 | Adam Popowicz Otivar dome2 | Newton 12" ASA ASI ZWO 1600MM / R / 52.0 | 9.99 ± 4.75 | |
| TOI-4791b (HIGH) 2023-12-25 | Antonio Ferretti Anxanum Observatory | Meade LX200 ACF QHY 268M / Lum / 120.0 | -8.5 ± 3.46 | |
| TOI-4791b (HIGH) 2023-12-12 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 3.66 ± 2.16 | |