| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
WASP-45 DR2 2308834780352875904 J00205699-3559537 |
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| RA | 00:20:56.9940 | DEC | -35:59:53.747 | ||
| Parallax 4.706 mas |
P.M. RA 52.895 mas/y |
P.M. DEC -46.887 mas/y |
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| MagV 11.8 |
MagR 12.2 |
MagI* 10.876 |
MagJ 10.753 |
MagH 10.365 |
MagK 10.294 |
| MagG 12.049 |
MagGBP 12.515 |
MagGRP 11.45 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
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|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2458929.9716 ± 0.00018 BJDTDB |
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| Period 3.12607676 ± 5e-07 days |
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| Transit Parameters | |||||
| Ciceri et al. 2016 | |||||
| Rp/Rs** 0.1163 ± 0.001 |
a/Rs 9.5 +0.13 -0.12 |
i 84.69 +0.1 -0.1 deg |
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| e - |
ω - deg |
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| DepthR* 12.28 mmag |
Duration* 1.74 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 | |||||
| Anderson et al. 2012 | |||||
| Teff 5140.0 +200.0 -200.0 K |
Log(g) 4.45 +0.09 -0.09 cm/s2 |
Fe/H 0.36 +0.12 -0.12 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | LOW | ||||
| Minimum aperture | 7.21" | ||||
| Total Observations (Recent) | 42 (5) | ||||
| O-C | -0.57 ± 0.61 minutes | ||||
| ExoClock Observations (Recent) | 19 (5) | ||||
| Space Observations (Recent) | 21 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 2 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.1153 ± 0.00081 | ||||
ExoClock Observations |
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| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| WASP-45b (LOW) 2025-11-23 | Joaquin M. Ruiz-Luque Asociación Argentina "Amigos de la Astronomía" | Meade LX200 EMC SBIG ST-9XE / Clear / 50.0 | 0.88 ± 2.59 | |
| WASP-45b (LOW) 2025-11-23 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 90.0 | -1.1 ± 1.14 | |
| WASP-45b (LOW) 2025-10-07 | Karolina Prucnal DeepSkyChile - ROTUZ | PlaneWave CDK 20 QHY268M pro / R / 180.0 | 0.99 ± 1.04 | |
| WASP-45b (LOW) 2025-10-07 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 90.0 | -1.21 ± 1.44 | |
| WASP-45b (LOW) 2025-06-10 | Jean-Pascal Vignes Deep Sky Chile | Planewave CDK400 QHYCCD 600M / V / 45.0 | -3.35 ± 1.73 | |
| WASP-45b (LOW) 2023-11-13 | Jean-Pascal Vignes Deep Sky Chile | Planewave CDK400 QHYCCD 600M / Lum / 60.0 | -1.11 ± 1.25 | |
| WASP-45b (LOW) 2023-09-24 | Anaël Wünsche El Sauce Observatory | CDK Planewave Chili Moravian G4 16k / Lum / 120.0 | 1.62 ± 2.88 | |
| WASP-45b (LOW) 2023-09-24 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | -1.56 ± 1.01 | |
| WASP-45b (LOW) 2022-11-06 | Anaël Wünsche El Sauce Observatory | CDK Planewave Chili Moravian G4 16k / Lum / 120.0 | 0.63 ± 2.45 | |
| WASP-45b (LOW) 2021-10-27 | Anaël Wünsche El Sauce Observatory | CDK Planewave Chili Moravian G4 16k / Lum / 120.0 | -0.08 ± 1.15 | |
| WASP-45b (LOW) 2021-10-02 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | -0.78 ± 1.44 | |
| WASP-45b (LOW) 2021-09-10 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 2.44 ± 1.15 | |
| WASP-45b (LOW) 2021-08-22 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 2.82 ± 2.02 | |
| WASP-45b (LOW) 2021-07-25 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 0.21 ± 2.02 | |
| WASP-45b (LOW) 2021-06-08 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | -2.88 ± 1.58 | |
| WASP-45b (LOW) 2020-11-17 | Jean-Pascal Vignes El Sauce observatory | Planewave CDK24 FLI camera 3056 by 3056 pixels 12.0µ by 12.0µ pixel size / rpr / 45.0 | -1.89 ± 1.3 | |
| WASP-45b (LOW) 2020-10-23 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Clear / 120.0 | 3.75 ± 0.86 | |
| WASP-45b (LOW) 2020-10-20 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 0.12 ± 1.44 | |
| WASP-45b (LOW) 2020-08-09 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 5.11 ± 1.73 | |
Space Observations |
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| Planet Observation Date |
Mission | O-C minutes |
||
| WASP-45b (LOW) 2023-09-17 | TESS | -0.18 ± 1.2 | ||
| WASP-45b (LOW) 2023-09-14 | TESS | -1.56 ± 1.32 | ||
| WASP-45b (LOW) 2023-09-11 | TESS | 1.56 ± 1.25 | ||
| WASP-45b (LOW) 2023-09-08 | TESS | -0.76 ± 1.31 | ||
| WASP-45b (LOW) 2023-09-02 | TESS | -0.05 ± 1.05 | ||
| WASP-45b (LOW) 2023-08-30 | TESS | -2.24 ± 1.38 | ||
| WASP-45b (LOW) 2023-08-27 | TESS | 1.45 ± 1.22 | ||
| WASP-45b (LOW) 2020-09-18 | TESS | 1.16 ± 1.35 | ||
| WASP-45b (LOW) 2020-09-15 | TESS | -1.16 ± 1.41 | ||
| WASP-45b (LOW) 2020-09-12 | TESS | 2.62 ± 1.22 | ||
| WASP-45b (LOW) 2020-09-03 | TESS | -1.96 ± 1.3 | ||
| WASP-45b (LOW) 2020-08-31 | TESS | -1.17 ± 1.21 | ||
| WASP-45b (LOW) 2020-08-27 | TESS | -0.42 ± 1.41 | ||
| WASP-45b (LOW) 2018-09-18 | TESS | 0.75 ± 1.24 | ||
| WASP-45b (LOW) 2018-09-15 | TESS | 0.47 ± 1.08 | ||
| WASP-45b (LOW) 2018-09-12 | TESS | -1.33 ± 1.32 | ||
| WASP-45b (LOW) 2018-09-08 | TESS | -1.96 ± 1.22 | ||
| WASP-45b (LOW) 2018-09-02 | TESS | 0.96 ± 1.32 | ||
| WASP-45b (LOW) 2018-08-30 | TESS | 0.68 ± 1.02 | ||
| WASP-45b (LOW) 2018-08-27 | TESS | -0.64 ± 1.14 | ||
| WASP-45b (LOW) 2018-08-24 | TESS | -0.53 ± 1.34 | ||
Literature Mid-times |
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| Planet Observation Date |
Reference | O-C minutes |
||
| 2018-08-08 | Addison et al. 2019 | -0.65 ± 0.46 | ||
| 2010-09-01 | Anderson et al. 2012 | 0.09 ± 0.84 | ||