| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
WASP-171 DR2 5376137837173646208 J11272283-4405193 |
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| RA | 11:27:22.8248 | DEC | -44:05:19.299 | ||
| Parallax 1.291 mas |
P.M. RA -8.427 mas/y |
P.M. DEC -2.262 mas/y |
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| MagV* 12.573 |
MagR* 12.225 |
MagI* 11.888 |
MagJ 11.422 |
MagH 11.158 |
MagK 11.104 |
| MagG 12.441 |
MagGBP 12.761 |
MagGRP 11.967 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2458693.72031 ± 0.00095 BJDTDB |
|||||
| Period 3.8186198 ± 6.2e-06 days |
|||||
| Transit Parameters | |||||
| Nielsen et al. 2019 | |||||
| Rp/Rs 0.061806148561449774 ± 0.0014561658038037904 |
a/Rs 6.64 +0.38 -0.13 |
i 88.3 +1.1 -1.9 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 5.02 mmag |
Duration* 4.61 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 | |||||
| Nielsen et al. 2019 | |||||
| Teff 5965.0 +100.0 -100.0 K |
Log(g) 4.08 +0.02 -0.05 cm/s2 |
Fe/H 0.04 +0.07 -0.07 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | MEDIUM | ||||
| Minimum aperture | 14.48" | ||||
| Total Observations (Recent) | 15 (2) | ||||
| O-C | 2.19 ± 1.03 minutes | ||||
| ExoClock Observations (Recent) | 5 (2) | ||||
| Space Observations (Recent) | 10 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.0641 ± 0.0012 | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| WASP-171b (MEDIUM) 2025-03-02 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 150.0 | 5.32 ± 2.45 | |
| WASP-171b (MEDIUM) 2025-03-02 | Jean-Pascal Vignes Deep Sky Chile | Planewave CDK400 QHYCCD 600M / Lum / 60.0 | 3.45 ± 2.02 | |
| WASP-171b (MEDIUM) 2024-04-23 | Magdalena Szkudlarek Deep Sky Chile - ROTUZ | PlaneWave CDK 20 QHY268M pro / Lum / 120.0 | 9.97 ± 2.3 | |
| WASP-171b (MEDIUM) 2024-04-19 | Michal Zejmo DeepSkyChile - ROTUZ | PlanewWave CDK 20 QHY268M pro / Lum / 120.0 | -4.55 ± 2.02 | |
| WASP-171b (MEDIUM) 2024-01-26 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | -4.93 ± 3.31 | |
Space Observations |
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| Planet Observation Date |
Mission | O-C minutes |
||
| WASP-171b (MEDIUM) 2021-04-26 | TESS | -0.89 ± 6.05 | ||
| WASP-171b (MEDIUM) 2021-04-23 | TESS | 4.76 ± 5.04 | ||
| WASP-171b (MEDIUM) 2021-04-19 | TESS | 6.95 ± 4.75 | ||
| WASP-171b (MEDIUM) 2021-04-11 | TESS | -1.06 ± 8.5 | ||
| WASP-171b (MEDIUM) 2021-04-07 | TESS | -1.75 ± 3.17 | ||
| WASP-171b (MEDIUM) 2021-03-31 | TESS | -4.43 ± 5.04 | ||
| WASP-171b (MEDIUM) 2021-03-27 | TESS | -11.75 ± 4.03 | ||
| WASP-171b (MEDIUM) 2021-03-23 | TESS | 5.99 ± 7.34 | ||
| WASP-171b (MEDIUM) 2021-03-15 | TESS | 6.91 ± 4.61 | ||
| WASP-171b (MEDIUM) 2021-03-12 | TESS | 8.67 ± 7.2 | ||
Literature Mid-times |
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| Planet Observation Date |
Reference | O-C minutes |
||
| 2017-11-02 | Nielsen et al. 2019 | 0.11 ± 1.58 | ||