| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
CD-35 15805 DR2 6552346035980010624 J23284126-3429289 |
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| RA | 23:28:41.2700 | DEC | -34:29:29.034 | ||
| Parallax 10.363 mas |
P.M. RA 111.364 mas/y |
P.M. DEC -2.588 mas/y |
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| MagV 11.19 |
MagR* 10.822 |
MagI* 10.12 |
MagJ 9.627 |
MagH 9.14 |
MagK 9.047 |
| MagG 11.086 |
MagGBP 11.64 |
MagGRP 10.415 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2459201.08028 ± 0.00019 BJDTDB |
|||||
| Period 4.5320551 ± 1.1e-06 days |
|||||
| Transit Parameters | |||||
| Mistry et al. 2023 | |||||
| Rp/Rs 0.0854 ± 0.001 |
a/Rs 15.6 +1.2 -1.1 |
i 88.28 +0.32 -0.34 deg |
|||
| e 0.1543 +0.06 -0.03 |
ω 263.09000000000003 +19.48 -28.82 deg |
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| DepthR* 9.11 mmag |
Duration* 2.44 hours |
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|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
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| Limb Darkening Parameters | |||||
| Mistry et al. 2023 | |||||
| Teff 4994.0 +50.0 -50.0 K |
Log(g) 4.61 +0.04 -0.04 cm/s2 |
Fe/H 0.272 +0.08 -0.08 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | MEDIUM | ||||
| Minimum aperture | 6.1" | ||||
| Total Observations (Recent) | 20 (2) | ||||
| O-C | 2.33 ± 0.64 minutes | ||||
| ExoClock Observations (Recent) | 8 (2) | ||||
| Space Observations (Recent) | 12 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.08338 ± 0.00042 | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| TOI-181b (MEDIUM) 2025-09-09 | Jean-Pascal Vignes Deep Sky Chile | Planewave CDK400 QHYCCD 600M / R / 45.0 | 22.36 ± 1.87 | |
| TOI-181b (MEDIUM) 2025-06-19 | John Chen Siding Spring Observatory | Plane Wave Delta Rho 350 QHY600 CMOS / rpr / 25.0 | -1.27 ± 1.44 | |
| TOI-181b (MEDIUM) 2024-11-14 | Francois Regembal HRT Deep Sky Chile | Astrosib RC360 Moravian C3 PRO 61000 / Lum / 100.0 | -0.63 ± 1.58 | |
| TOI-181b (MEDIUM) 2024-11-05 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | -5.37 ± 2.74 | |
| TOI-181b (MEDIUM) 2024-09-25 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 2.26 ± 1.73 | |
| TOI-181b (MEDIUM) 2024-09-07 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | -1.6 ± 1.73 | |
| TOI-181b (MEDIUM) 2024-09-07 | Anaël Wünsche El Sauce Observatory | CDK Planewave Chili Moravian G4 16k / Lum / 120.0 | -1.74 ± 2.02 | |
| TOI-181b (MEDIUM) 2024-07-10 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 4.62 ± 2.02 | |
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
| TOI-181b (MEDIUM) 2023-09-15 | TESS | 0.67 ± 0.73 | ||
| TOI-181b (MEDIUM) 2023-09-10 | TESS | 1.13 ± 0.82 | ||
| TOI-181b (MEDIUM) 2023-09-01 | TESS | -0.61 ± 0.84 | ||
| TOI-181b (MEDIUM) 2023-08-28 | TESS | -1.52 ± 0.78 | ||
| TOI-181b (MEDIUM) 2020-09-13 | TESS | 0.31 ± 0.82 | ||
| TOI-181b (MEDIUM) 2020-09-04 | TESS | 0.02 ± 0.79 | ||
| TOI-181b (MEDIUM) 2020-08-30 | TESS | 0.69 ± 0.89 | ||
| TOI-181b (MEDIUM) 2018-09-19 | TESS | 0.97 ± 0.96 | ||
| TOI-181b (MEDIUM) 2018-09-14 | TESS | -0.92 ± 0.81 | ||
| TOI-181b (MEDIUM) 2018-09-10 | TESS | -1.74 ± 0.89 | ||
| TOI-181b (MEDIUM) 2018-09-01 | TESS | 1.19 ± 0.76 | ||
| TOI-181b (MEDIUM) 2018-08-27 | TESS | -0.3 ± 0.79 | ||