| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
WASP-88 DR2 6482103014085857024 J20380268-4827434 |
||||
| RA | 20:38:02.6869 | DEC | -48:27:43.425 | ||
| Parallax 1.881 mas |
P.M. RA 5.826 mas/y |
P.M. DEC -4.801 mas/y |
|||
| MagV 11.4 |
MagR* 11.282 |
MagI* 10.809 |
MagJ 10.568 |
MagH 10.386 |
MagK 10.322 |
| MagG 11.478 |
MagGBP 11.748 |
MagGRP 11.063 |
|||
| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2458486.05719 ± 0.00025 BJDTDB |
|||||
| Period 4.954001 ± 1.3e-06 days |
|||||
| Transit Parameters | |||||
| Delrez et al. 2014 | |||||
| Rp/Rs 0.084 ± 0.002 |
a/Rs 6.64 +0.17 -0.34 |
i 88.0 +1.4 -1.5 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 9.18 mmag |
Duration* 6.07 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
|||||
| Limb Darkening Parameters | |||||
| Delrez et al. 2014 | |||||
| Teff 6431.0 +130.0 -130.0 K |
Log(g) 3.96 +0.02 -0.05 cm/s2 |
Fe/H -0.08 +0.12 -0.12 dex |
|||
| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | LOW | ||||
| Minimum aperture | 5.81" | ||||
| Total Observations (Recent) | 15 (4) | ||||
| O-C | 4.32 ± 1.41 minutes | ||||
| ExoClock Observations (Recent) | 6 (4) | ||||
| Space Observations (Recent) | 6 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 3 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.08656 ± 0.00052 | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| WASP-88b (LOW) 2026-06-24 | Francois Regembal HRT Deep Sky Chile | Astrosib RC360 Moravian C3 PRO 61000 / Lum / 300.0 | -5.53 ± 3.02 | |
| WASP-88b (LOW) 2026-06-19 | Daniele Gasparri Observatorio Desierto Cosmico | Skywatcher Explorer 200PDS ZWO ASI 2600MC / V / 300.0 | -2.79 ± 3.02 | |
| WASP-88b (LOW) 2025-08-11 | Jean-Pascal Vignes Deep Sky Chile | Planewave CDK400 QHYCCD 600M / R / 45.0 | 20.48 ± 2.59 | |
| WASP-88b (LOW) 2025-08-11 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 180.0 | 0.18 ± 2.74 | |
| WASP-88b (LOW) 2020-07-30 | Phil Evans El Sauce | Planewave CDK14 SBIG STT 1603-3 / R / 60.0 | -0.15 ± 1.44 | |
| WASP-88b (LOW) 2020-07-30 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | -1.16 ± 2.02 | |
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
| WASP-88b (LOW) 2023-07-20 | TESS | -2.2 ± 1.58 | ||
| WASP-88b (LOW) 2023-07-05 | TESS | -0.26 ± 1.38 | ||
| WASP-88b (LOW) 2020-07-25 | TESS | 0.86 ± 1.58 | ||
| WASP-88b (LOW) 2020-07-20 | TESS | -0.94 ± 1.31 | ||
| WASP-88b (LOW) 2020-07-15 | TESS | 0.28 ± 1.73 | ||
| WASP-88b (LOW) 2020-07-10 | TESS | 2.88 ± 1.58 | ||
Literature Mid-times |
||||
| Planet Observation Date |
Reference | O-C minutes |
||
| 2017-08-25 | Spyratos et al. 2021 | 0.37 ± 0.65 | ||
| 2017-08-20 | Spyratos et al. 2021 | 0.45 ± 1.01 | ||
| 2013-07-01 | Delrez et al. 2014 | -1.88 ± 1.28 | ||