| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
WASP-91 DR2 6386751579018596864 J23512286-7009103 |
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| RA | 23:51:22.8514 | DEC | -70:09:10.276 | ||
| Parallax 6.64 mas |
P.M. RA 96.184 mas/y |
P.M. DEC -1.746 mas/y |
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| MagV 11.98 |
MagR* 11.366 |
MagI* 10.995 |
MagJ 10.275 |
MagH 9.838 |
MagK 9.712 |
| MagG 11.624 |
MagGBP 12.128 |
MagGRP 10.996 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2022 | |||||
| Mid-time 2458514.194235 ± 7.7e-05 BJDTDB |
|||||
| Period 2.79857894 ± 2.3e-07 days |
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| Transit Parameters | |||||
| Anderson et al. 2017 | |||||
| Rp/Rs 0.1225 ± 0.0012 |
a/Rs 9.1 +0.3 -0.3 |
i 86.8 +0.4 -0.4 deg |
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| e - |
ω - deg |
||||
| DepthR* 19.09 mmag |
Duration* 2.36 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. 2017 | |||||
| Teff 4920.0 +80.0 -80.0 K |
Log(g) 4.3 +0.2 -0.2 cm/s2 |
Fe/H 0.19 +0.13 -0.13 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | LOW | ||||
| Minimum aperture | 5.0" | ||||
| Total Observations (Recent) | 37 (3) | ||||
| O-C | -0.14 ± 0.28 minutes | ||||
| ExoClock Observations (Recent) | 11 (3) | ||||
| Space Observations (Recent) | 25 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 1 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.12146 ± 0.00028 | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| WASP-91b (LOW) 2024-12-16 | Jean-Pascal Vignes Deep Sky Chile | Planewave CDK400 QHYCCD 600M / Lum / 60.0 | -0.41 ± 0.76 | |
| WASP-91b (LOW) 2024-11-04 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 0.38 ± 1.21 | |
| WASP-91b (LOW) 2024-07-29 | Jean-Pascal Vignes Deep Sky Chile | Planewave CDK400 QHYCCD 600M / Lum / 45.0 | 1.12 ± 0.62 | |
| WASP-91b (LOW) 2023-08-03 | Marcelo Emilio Pico dos Dias | Boller & Chivens Ikon 14912 / R / 40.0 | 0.59 ± 0.73 | |
| WASP-91b (LOW) 2023-07-06 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 0.08 ± 1.24 | |
| WASP-91b (LOW) 2023-07-06 | Raylan Ari Prestes Martins Observatório Pico dos Dias | B&C Ikon 14912 / R / 40.0 | -3.95 ± 0.73 | |
| WASP-91b (LOW) 2023-06-08 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 0.46 ± 0.78 | |
| WASP-91b (LOW) 2023-05-25 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 0.79 ± 0.78 | |
| WASP-91b (LOW) 2022-07-04 | David Patterson Numurkah Observatory | Sky Watcher Esprit 120ED APO ZWOASI294MM Pro / Lum / 60.0 | -3.49 ± 2.74 | |
| WASP-91b (LOW) 2021-12-29 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 2.11 ± 1.15 | |
| WASP-91b (LOW) 2021-12-01 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 1.52 ± 0.86 | |
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
| WASP-91b (LOW) 2020-08-23 | TESS | 0.76 ± 0.62 | ||
| WASP-91b (LOW) 2020-08-20 | TESS | -0.56 ± 0.58 | ||
| WASP-91b (LOW) 2020-08-18 | TESS | 0.13 ± 0.59 | ||
| WASP-91b (LOW) 2020-08-15 | TESS | 0.7 ± 0.52 | ||
| WASP-91b (LOW) 2020-08-09 | TESS | -0.6 ± 0.55 | ||
| WASP-91b (LOW) 2020-08-06 | TESS | 0.22 ± 0.58 | ||
| WASP-91b (LOW) 2020-08-04 | TESS | -0.25 ± 0.5 | ||
| WASP-91b (LOW) 2020-08-01 | TESS | -1.16 ± 0.56 | ||
| WASP-91b (LOW) 2020-07-29 | TESS | 0.58 ± 0.56 | ||
| WASP-91b (LOW) 2020-07-26 | TESS | -0.01 ± 0.52 | ||
| WASP-91b (LOW) 2020-07-23 | TESS | -0.16 ± 0.48 | ||
| WASP-91b (LOW) 2020-07-21 | TESS | -0.03 ± 0.6 | ||
| WASP-91b (LOW) 2020-07-15 | TESS | 0.7 ± 0.55 | ||
| WASP-91b (LOW) 2020-07-12 | TESS | -0.64 ± 0.53 | ||
| WASP-91b (LOW) 2020-07-09 | TESS | -0.28 ± 0.59 | ||
| WASP-91b (LOW) 2020-07-07 | TESS | 0.29 ± 0.55 | ||
| WASP-91b (LOW) 2018-08-21 | TESS | -0.79 ± 0.62 | ||
| WASP-91b (LOW) 2018-08-15 | TESS | -0.01 ± 0.56 | ||
| WASP-91b (LOW) 2018-08-12 | TESS | 0.61 ± 0.66 | ||
| WASP-91b (LOW) 2018-08-10 | TESS | -0.2 ± 0.6 | ||
| WASP-91b (LOW) 2018-08-07 | TESS | 1.09 ± 0.79 | ||
| WASP-91b (LOW) 2018-08-04 | TESS | -0.9 ± 0.58 | ||
| WASP-91b (LOW) 2018-08-01 | TESS | 0.08 ± 0.58 | ||
| WASP-91b (LOW) 2018-07-29 | TESS | -0.89 ± 0.49 | ||
| WASP-91b (LOW) 2018-07-27 | TESS | 0.32 ± 0.62 | ||
Literature Mid-times |
||||
| Planet Observation Date |
Reference | O-C minutes |
||
| 2013-01-05 | Anderson et al. 2017 | 0.12 ± 0.29 | ||