| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
CD-26 2288 DR2 2908664557091200768 J05330459-2643286 |
||||
| RA | 05:33:04.6006 | DEC | -26:43:28.268 | ||
| Parallax 30.675 mas |
P.M. RA 16.804 mas/y |
P.M. DEC 150.766 mas/y |
|||
| MagV 9.13 |
MagR* 8.527 |
MagI* 8.057 |
MagJ 7.305 |
MagH 6.846 |
MagK 6.723 |
| MagG 8.792 |
MagGBP 9.356 |
MagGRP 8.128 |
|||
| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2458791.21953 ± 0.00049 BJDTDB |
|||||
| Period 0.49005617 ± 6.8e-07 days |
|||||
| Transit Parameters | |||||
| Osborn et al. 2021 | |||||
| Rp/Rs 0.016 ± 0.001 |
a/Rs 3.42 +0.059 -0.088 |
i 84.3 +1.1 -1.3 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 0.34 mmag |
Duration* 1.07 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
|||||
| Limb Darkening Parameters | |||||
| Osborn et al. 2021 | |||||
| Teff 4850.0 +75.0 -75.0 K |
Log(g) 4.6 +0.06 -0.06 cm/s2 |
Fe/H 0.2 +0.05 -0.05 dex |
|||
| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | HIGH | ||||
| Minimum aperture | 134.25" | ||||
| Total Observations (Recent) | 23 (0) | ||||
| O-C | - | ||||
| ExoClock Observations (Recent) | 0 (0) | ||||
| Space Observations (Recent) | 23 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.02119 ± 0.00058 | ||||
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
|---|---|---|---|---|
| TOI-431b (HIGH) 2020-12-10 | TESS | 1.4 ± 1.32 | ||
| TOI-431b (HIGH) 2020-12-06 | TESS | 1.08 ± 1.44 | ||
| TOI-431b (HIGH) 2020-12-06 | TESS | -11.23 ± 2.45 | ||
| TOI-431b (HIGH) 2020-12-05 | TESS | -2.28 ± 3.17 | ||
| TOI-431b (HIGH) 2020-12-01 | TESS | -4.45 ± 3.46 | ||
| TOI-431b (HIGH) 2020-12-01 | TESS | -2.21 ± 3.31 | ||
| TOI-431b (HIGH) 2020-11-27 | TESS | 3.54 ± 1.73 | ||
| TOI-431b (HIGH) 2020-11-25 | TESS | 1.42 ± 4.18 | ||
| TOI-431b (HIGH) 2019-01-05 | TESS | -9.47 ± 8.35 | ||
| TOI-431b (HIGH) 2019-01-03 | TESS | 2.52 ± 3.02 | ||
| TOI-431b (HIGH) 2019-01-01 | TESS | 2.85 ± 4.61 | ||
| TOI-431b (HIGH) 2018-12-19 | TESS | 0.05 ± 3.6 | ||
| TOI-431b (HIGH) 2018-12-16 | TESS | 12.78 ± 6.77 | ||
| TOI-431b (HIGH) 2018-12-09 | TESS | 3.48 ± 2.45 | ||
| TOI-431b (HIGH) 2018-12-08 | TESS | -1.97 ± 2.16 | ||
| TOI-431b (HIGH) 2018-12-07 | TESS | 3.08 ± 1.87 | ||
| TOI-431b (HIGH) 2018-12-06 | TESS | -4.68 ± 3.6 | ||
| TOI-431b (HIGH) 2018-12-04 | TESS | -3.2 ± 2.3 | ||
| TOI-431b (HIGH) 2018-12-01 | TESS | 1.89 ± 2.59 | ||
| TOI-431b (HIGH) 2018-12-01 | TESS | -2.35 ± 1.87 | ||
| TOI-431b (HIGH) 2018-11-26 | TESS | -2.54 ± 4.18 | ||
| TOI-431b (HIGH) 2018-11-20 | TESS | -1.29 ± 2.16 | ||
| TOI-431b (HIGH) 2018-11-19 | TESS | 0.23 ± 1.73 | ||