| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
L 248-27 DR2 5357465071715078016 J10265947-5228099 |
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| RA | 10:26:59.4934 | DEC | -52:28:09.945 | ||
| Parallax 36.173 mas |
P.M. RA -89.046 mas/y |
P.M. DEC 361.603 mas/y |
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| MagV 12.302 |
MagR 11.903 |
MagI* 10.167 |
MagJ 8.876 |
MagH 8.285 |
MagK 8.069 |
| MagG 11.36 |
MagGBP 12.568 |
MagGRP 10.297 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2459291.2558 ± 0.00033 BJDTDB |
|||||
| Period 24.245541 ± 1.3e-05 days |
|||||
| Transit Parameters | |||||
| Burt et al. 2021 | |||||
| Rp/Rs 0.0701 ± 0.0019 |
a/Rs 58.1 +2.0 -2.0 |
i 89.73 +0.18 -0.18 deg |
|||
| e 0.087 +0.12 -0.061 |
ω 176.0 +81.0 -90.0 deg |
||||
| DepthR* 6.49 mmag |
Duration* 3.27 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
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| Limb Darkening Parameters | |||||
| Burt et al. 2021 | |||||
| Teff 3553.0 +51.0 -52.0 K |
Log(g) 4.77 +0.03 -0.04 cm/s2 |
Fe/H 0.041 +0.069 -0.063 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | HIGH | ||||
| Minimum aperture | 10.77" | ||||
| Total Observations (Recent) | 10 (0) | ||||
| O-C | -0.99 ± 1.87 minutes | ||||
| ExoClock Observations (Recent) | 4 (0) | ||||
| Space Observations (Recent) | 4 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 2 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.07415 ± 0.00078 | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| TOI-1231b (HIGH) 2024-04-06 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 90.0 | -0.99 ± 1.87 | |
| TOI-1231b (HIGH) 2024-01-24 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 90.0 | 0.34 ± 1.25 | |
| TOI-1231b (HIGH) 2023-03-15 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 90.0 | 1.15 ± 1.27 | |
| TOI-1231b (HIGH) 2023-03-15 | Aniket Prasad Cerro Tololo Observatory | LCO Meade SBIG STX6303 / rpr / 45.284 | -1.34 ± 2.16 | |
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
| TOI-1231b (HIGH) 2023-03-15 | TESS | -1.01 ± 1.05 | ||
| TOI-1231b (HIGH) 2021-03-17 | TESS | 1.01 ± 1.11 | ||
| TOI-1231b (HIGH) 2019-04-14 | TESS | -0.78 ± 0.98 | ||
| TOI-1231b (HIGH) 2019-03-21 | TESS | 0.73 ± 1.27 | ||
Literature Mid-times |
||||
| Planet Observation Date |
Reference | O-C minutes |
||
| 2021-01-28 | Burt et al. 2021 | 1.41 ± 1.87 | ||
| 2020-03-19 | Burt et al. 2021 | -1.56 ± 1.87 | ||