| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
WASP-142 DR2 5674618444832114304 J09220153-2356462 |
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| RA | 09:22:01.5338 | DEC | -23:56:46.202 | ||
| Parallax 1.34 mas |
P.M. RA -15.834 mas/y |
P.M. DEC 15.197 mas/y |
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| MagV 12.3 |
MagR* 12.54 |
MagI* 11.61 |
MagJ 11.726 |
MagH 11.484 |
MagK 11.442 |
| MagG 12.757 |
MagGBP 13.081 |
MagGRP 12.281 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2458588.48837 ± 0.00026 BJDTDB |
|||||
| Period 2.05286924 ± 4.4e-07 days |
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| Transit Parameters | |||||
| Hellier et al. 2017 | |||||
| Rp/Rs 0.0957 ± 0.0014 |
a/Rs 4.524 +0.092 -0.092 |
i 80.2 +0.6 -0.6 deg |
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| e - |
ω - deg |
||||
| DepthR* 9.84 mmag |
Duration* 2.76 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 | |||||
| Hellier et al. 2017 | |||||
| Teff 6010.0 +140.0 -140.0 K |
Log(g) 4.13 +0.04 -0.04 cm/s2 |
Fe/H 0.26 +0.12 -0.12 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | MEDIUM | ||||
| Minimum aperture | 8.98" | ||||
| Total Observations (Recent) | 40 (2) | ||||
| O-C | 3.86 ± 1.24 minutes | ||||
| ExoClock Observations (Recent) | 12 (2) | ||||
| Space Observations (Recent) | 27 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 1 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.09851 ± 0.00087 | ||||
ExoClock Observations |
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| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| WASP-142b (MEDIUM) 2026-02-09 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 1.11 ± 1.73 | |
| WASP-142b (MEDIUM) 2026-02-07 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 7.26 ± 2.59 | |
| WASP-142b (MEDIUM) 2024-05-24 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 6.32 ± 2.45 | |
| WASP-142b (MEDIUM) 2024-02-01 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 90.0 | 1.73 ± 2.02 | |
| WASP-142b (MEDIUM) 2023-03-26 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 90.0 | -1.69 ± 2.02 | |
| WASP-142b (MEDIUM) 2022-12-07 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | -4.04 ± 1.87 | |
| WASP-142b (MEDIUM) 2022-05-18 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | 0.07 ± 1.87 | |
| WASP-142b (MEDIUM) 2022-04-09 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | -0.05 ± 2.74 | |
| WASP-142b (MEDIUM) 2021-04-25 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 0.48 ± 1.58 | |
| WASP-142b (MEDIUM) 2021-03-19 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | -1.76 ± 2.45 | |
| WASP-142b (MEDIUM) 2021-01-04 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 0.39 ± 2.02 | |
| WASP-142b (MEDIUM) 2020-11-28 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 4.49 ± 1.87 | |
Space Observations |
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| Planet Observation Date |
Mission | O-C minutes |
||
| WASP-142b (MEDIUM) 2023-03-09 | TESS | 2.99 ± 2.59 | ||
| WASP-142b (MEDIUM) 2023-03-07 | TESS | -1.37 ± 2.74 | ||
| WASP-142b (MEDIUM) 2023-03-05 | TESS | -2.86 ± 2.45 | ||
| WASP-142b (MEDIUM) 2023-03-03 | TESS | 2.14 ± 2.45 | ||
| WASP-142b (MEDIUM) 2023-03-01 | TESS | -2.66 ± 2.59 | ||
| WASP-142b (MEDIUM) 2023-02-27 | TESS | 1.47 ± 2.88 | ||
| WASP-142b (MEDIUM) 2023-02-23 | TESS | -1.78 ± 3.46 | ||
| WASP-142b (MEDIUM) 2023-02-21 | TESS | -2.98 ± 2.74 | ||
| WASP-142b (MEDIUM) 2023-02-19 | TESS | -1.58 ± 2.45 | ||
| WASP-142b (MEDIUM) 2023-02-17 | TESS | -2.78 ± 3.02 | ||
| WASP-142b (MEDIUM) 2023-02-15 | TESS | -2.39 ± 2.59 | ||
| WASP-142b (MEDIUM) 2021-03-04 | TESS | 3.69 ± 2.16 | ||
| WASP-142b (MEDIUM) 2021-03-02 | TESS | 6.39 ± 3.02 | ||
| WASP-142b (MEDIUM) 2021-02-28 | TESS | -0.43 ± 3.31 | ||
| WASP-142b (MEDIUM) 2021-02-20 | TESS | 3.28 ± 3.31 | ||
| WASP-142b (MEDIUM) 2021-02-18 | TESS | 0.07 ± 2.59 | ||
| WASP-142b (MEDIUM) 2021-02-16 | TESS | 4.2 ± 2.45 | ||
| WASP-142b (MEDIUM) 2021-02-14 | TESS | -4.48 ± 3.17 | ||
| WASP-142b (MEDIUM) 2021-02-12 | TESS | -1.07 ± 2.59 | ||
| WASP-142b (MEDIUM) 2019-02-26 | TESS | 1.76 ± 2.59 | ||
| WASP-142b (MEDIUM) 2019-02-24 | TESS | -2.32 ± 2.59 | ||
| WASP-142b (MEDIUM) 2019-02-22 | TESS | 4.7 ± 3.46 | ||
| WASP-142b (MEDIUM) 2019-02-12 | TESS | 3.61 ± 2.74 | ||
| WASP-142b (MEDIUM) 2019-02-10 | TESS | 0.25 ± 3.02 | ||
| WASP-142b (MEDIUM) 2019-02-08 | TESS | -2.53 ± 3.17 | ||
| WASP-142b (MEDIUM) 2019-02-06 | TESS | 3.91 ± 2.88 | ||
| WASP-142b (MEDIUM) 2019-02-04 | TESS | 3.0 ± 2.3 | ||
Literature Mid-times |
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| Planet Observation Date |
Reference | O-C minutes |
||
| 2014-12-16 | Hellier et al. 2017 | -0.51 ± 0.58 | ||