| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
WASP-174 DR2 6139403450370668800 J13031055-4123053 |
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| RA | 13:03:10.5634 | DEC | -41:23:05.412 | ||
| Parallax 2.411 mas |
P.M. RA 0.043 mas/y |
P.M. DEC -5.784 mas/y |
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| MagV 11.79 |
MagR 11.44 |
MagI* 11.208 |
MagJ 10.845 |
MagH 10.599 |
MagK 10.579 |
| MagG 11.683 |
MagGBP 11.949 |
MagGRP 11.275 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2458600.56475 ± 0.00015 BJDTDB |
|||||
| Period 4.2336991 ± 1.1e-06 days |
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| Transit Parameters | |||||
| Temple et al. 2018 | |||||
| Rp/Rs 0.0927 ± 0.0016 |
a/Rs** 9.17 +0.21 -0.16 |
i 84.2 +0.5 -0.5 deg |
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| e - |
ω - deg |
||||
| DepthR* 7.02 mmag |
Duration* 2.05 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 | |||||
| Temple et al. 2018 | |||||
| Teff 6400.0 +100.0 -100.0 K |
Log(g) 4.32 +0.04 -0.04 cm/s2 |
Fe/H 0.09 +0.09 -0.09 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | MEDIUM | ||||
| Minimum aperture | 9.66" | ||||
| Total Observations (Recent) | 22 (2) | ||||
| O-C | 2.87 ± 1.23 minutes | ||||
| ExoClock Observations (Recent) | 10 (2) | ||||
| Space Observations (Recent) | 10 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 2 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.1008 ± 0.0015 | ||||
ExoClock Observations |
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| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| WASP-174b (MEDIUM) 2025-07-09 | Jean-Pascal Vignes Deep Sky Chile | Planewave CDK400 QHYCCD 600M / R / 60.0 | 3.07 ± 1.73 | |
| WASP-174b (MEDIUM) 2025-05-15 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 0.03 ± 2.3 | |
| WASP-174b (MEDIUM) 2024-05-03 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 6.39 ± 2.74 | |
| WASP-174b (MEDIUM) 2023-06-08 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 0.39 ± 2.02 | |
| WASP-174b (MEDIUM) 2023-04-01 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 1.23 ± 1.87 | |
| WASP-174b (MEDIUM) 2023-02-05 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 1.5 ± 1.87 | |
| WASP-174b (MEDIUM) 2021-06-30 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | -1.56 ± 1.44 | |
| WASP-174b (MEDIUM) 2021-06-14 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | -1.56 ± 1.58 | |
| WASP-174b (MEDIUM) 2021-05-11 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 5.2 ± 1.58 | |
| WASP-174b (MEDIUM) 2021-03-17 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 5.61 ± 2.74 | |
Space Observations |
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| Planet Observation Date |
Mission | O-C minutes |
||
| WASP-174b (MEDIUM) 2023-04-30 | TESS | -2.07 ± 2.02 | ||
| WASP-174b (MEDIUM) 2023-04-26 | TESS | 3.98 ± 2.88 | ||
| WASP-174b (MEDIUM) 2023-04-22 | TESS | -2.94 ± 2.3 | ||
| WASP-174b (MEDIUM) 2023-04-18 | TESS | -2.94 ± 2.3 | ||
| WASP-174b (MEDIUM) 2023-04-13 | TESS | -2.51 ± 2.45 | ||
| WASP-174b (MEDIUM) 2023-04-09 | TESS | 1.23 ± 2.02 | ||
| WASP-174b (MEDIUM) 2021-04-24 | TESS | 1.88 ± 2.02 | ||
| WASP-174b (MEDIUM) 2021-04-20 | TESS | 0.58 ± 2.02 | ||
| WASP-174b (MEDIUM) 2021-04-11 | TESS | 1.44 ± 2.02 | ||
| WASP-174b (MEDIUM) 2021-04-07 | TESS | -0.86 ± 1.73 | ||
Literature Mid-times |
||||
| Planet Observation Date |
Reference | O-C minutes |
||
| 2019-03-03 | Mancini et al. 2020 | -0.09 ± 0.2 | ||
| 2016-03-18 | Temple et al. 2018 | 0.3 ± 0.58 | ||