| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
TOI-2818 DR2 5545555570947605376 J07561435-3507000 |
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| RA | 07:56:14.3640 | DEC | -35:07:00.017 | ||
| Parallax 3.17 mas |
P.M. RA -6.104 mas/y |
P.M. DEC -9.017 mas/y |
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| MagV 11.962 |
MagR 11.853 |
MagI* 11.229 |
MagJ 10.743 |
MagH 10.454 |
MagK 10.403 |
| MagG 11.837 |
MagGBP 12.189 |
MagGRP 11.34 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2459467.81327 ± 0.00027 BJDTDB |
|||||
| Period 4.0396981 ± 2.2e-06 days |
|||||
| Transit Parameters | |||||
| Yee et al. 2023 | |||||
| Rp/Rs 0.1140175425099138 ± 0.0013155870289605436 |
a/Rs 8.63 +0.28 -0.25 |
i 87.73 +0.75 -0.55 deg |
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| e - |
ω - deg |
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| DepthR* 16.92 mmag |
Duration* 3.8 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 | |||||
| Yee et al. 2023 | |||||
| Teff 5721.0 +88.0 -83.0 K |
Log(g) 4.25 +0.03 -0.03 cm/s2 |
Fe/H -0.02 +0.11 -0.09 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | HIGH | ||||
| Minimum aperture | 5.47" | ||||
| Total Observations (Recent) | 10 (1) | ||||
| O-C | 2.02 ± 0.58 minutes | ||||
| ExoClock Observations (Recent) | 4 (1) | ||||
| Space Observations (Recent) | 5 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 1 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.11058 ± 0.00072 | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| TOI-2818b (HIGH) 2025-04-03 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 180.0 | 3.5 ± 1.02 | |
| TOI-2818b (HIGH) 2024-02-24 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 90.0 | 1.3 ± 0.71 | |
| TOI-2818b (HIGH) 2023-11-27 | Anaël Wünsche El Sauce Observatory | CDK Planewave Chili Moravian G4 16k / Lum / 120.0 | -4.59 ± 1.58 | |
| TOI-2818b (HIGH) 2023-11-23 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 90.0 | 0.1 ± 1.11 | |
Space Observations |
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| Planet Observation Date |
Mission | O-C minutes |
||
| TOI-2818b (HIGH) 2023-02-09 | TESS | -1.26 ± 1.11 | ||
| TOI-2818b (HIGH) 2023-02-05 | TESS | 0.55 ± 0.99 | ||
| TOI-2818b (HIGH) 2023-01-28 | TESS | -0.21 ± 1.01 | ||
| TOI-2818b (HIGH) 2023-01-24 | TESS | 2.69 ± 0.98 | ||
| TOI-2818b (HIGH) 2023-01-20 | TESS | 0.39 ± 1.01 | ||
Literature Mid-times |
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| Planet Observation Date |
Reference | O-C minutes |
||
| 2020-06-22 | Yee et al. 2023 | -0.1 ± 0.36 | ||