| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
HD 197286 DR2 6681720724498802176 J20441022-3913309 |
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| RA | 20:44:10.2207 | DEC | -39:13:30.859 | ||
| Parallax 6.133 mas |
P.M. RA 30.468 mas/y |
P.M. DEC -57.355 mas/y |
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| MagV 9.5 |
MagR* 9.196 |
MagI* 8.969 |
MagJ 8.648 |
MagH 8.414 |
MagK 8.396 |
| MagG 9.377 |
MagGBP 9.624 |
MagGRP 9.01 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
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|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2459504.49547 ± 0.00015 BJDTDB |
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| Period 4.9546494 ± 8.9e-07 days |
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| Transit Parameters | |||||
| Southworth et al. 2011 | |||||
| Rp/Rs 0.0956 ± 0.0016 |
a/Rs** 9.52 +0.2 -0.19 |
i 87.0 +0.9 -0.9 deg |
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| e - |
ω - deg |
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| DepthR* 11.26 mmag |
Duration* 3.89 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. 2009 | |||||
| Teff 6400.0 +100.0 -100.0 K |
Log(g) 4.36 +0.01 -0.05 cm/s2 |
Fe/H 0.0 +0.1 -0.1 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | HIGH | ||||
| Minimum aperture | 5.0" | ||||
| Total Observations (Recent) | 13 (1) | ||||
| O-C | 5.18 ± 2.74 minutes | ||||
| ExoClock Observations (Recent) | 3 (1) | ||||
| Space Observations (Recent) | 8 (0) | ||||
| ETD Observations (Recent) | 1 (0) | ||||
| Literature Mid-times (Recent) | 1 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.07834 ± 0.00023 | ||||
ExoClock Observations |
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| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| WASP-7b (HIGH) 2025-08-14 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 20.0 | 5.18 ± 2.74 | |
| WASP-7b (HIGH) 2022-08-05 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 5.78 ± 2.3 | |
| WASP-7b (HIGH) 2021-05-26 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 12.0 | 1.96 ± 5.76 | |
Space Observations |
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| Planet Observation Date |
Mission | O-C minutes |
||
| WASP-7b (HIGH) 2023-07-23 | TESS | -0.61 ± 0.59 | ||
| WASP-7b (HIGH) 2023-07-18 | TESS | -0.81 ± 0.55 | ||
| WASP-7b (HIGH) 2023-07-08 | TESS | 0.24 ± 0.55 | ||
| WASP-7b (HIGH) 2023-07-03 | TESS | 0.56 ± 0.48 | ||
| WASP-7b (HIGH) 2020-07-28 | TESS | 0.18 ± 0.55 | ||
| WASP-7b (HIGH) 2020-07-23 | TESS | 0.18 ± 0.62 | ||
| WASP-7b (HIGH) 2020-07-13 | TESS | -0.35 ± 0.55 | ||
| WASP-7b (HIGH) 2020-07-08 | TESS | -0.57 ± 0.59 | ||
ETD Observations |
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| Planet Observation Date |
Observer(s) | ETD link | O-C minutes |
|
| WASP-7b (HIGH) 2019-08-31 | Eduardo Fernández-Lajús, Romina P. Di Sisto | 1567459333 | 1.13 ± 0.72 | |
Literature Mid-times |
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| Planet Observation Date |
Reference | O-C minutes |
||
| 2006-09-06 | Hellier et al. 2009 | -0.63 ± 1.73 | ||