| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
WASP-158 DR2 2424621502311961344 J00163511-1058351 |
||||
| RA | 00:16:35.1213 | DEC | -10:58:35.097 | ||
| Parallax 1.876 mas |
P.M. RA 1.827 mas/y |
P.M. DEC -1.504 mas/y |
|||
| MagV 12.04 |
MagR* 11.887 |
MagI* 11.413 |
MagJ 11.178 |
MagH 10.957 |
MagK 10.881 |
| MagG 12.091 |
MagGBP 12.38 |
MagGRP 11.653 |
|||
| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2459265.26862 ± 0.00057 BJDTDB |
|||||
| Period 3.6563304 ± 1.9e-06 days |
|||||
| Transit Parameters | |||||
| Hellier et al. 2019 | |||||
| Rp/Rs 0.079 ± 0.003 |
a/Rs 8.0 +0.4 -1.0 |
i 87.7 +1.5 -1.5 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 8.0 mmag |
Duration* 3.61 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
|||||
| Limb Darkening Parameters | |||||
| Hellier et al. 2019 | |||||
| Teff 6350.0 +150.0 -150.0 K |
Log(g) 4.3 +0.05 -0.11 cm/s2 |
Fe/H 0.24 +0.1 -0.1 dex |
|||
| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | MEDIUM | ||||
| Minimum aperture | 8.54" | ||||
| Total Observations (Recent) | 14 (2) | ||||
| O-C | -1.24 ± 1.39 minutes | ||||
| ExoClock Observations (Recent) | 8 (2) | ||||
| Space Observations (Recent) | 5 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 1 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.0746 ± 0.0013 | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| WASP-158b (MEDIUM) 2025-12-10 | Giovanni Calapai Home Astronomical Observatory | Celestron 11 Schmidt-Cassegrain Atik 314L+ / AstrodonExoPlanet-BB / 90.0 | -2.32 ± 4.03 | |
| WASP-158b (MEDIUM) 2025-09-03 | Miguel Ángel Álava Amat Sarriguren | Meade SC 8" Asi 1600 MM / Lum / 240.0 | -0.13 ± 4.9 | |
| WASP-158b (MEDIUM) 2024-10-30 | Gustavo Muler Obs. Nazaret J47 | lx 200 ST8 XME AO8 / R / 120.0 | -1.35 ± 2.45 | |
| WASP-158b (MEDIUM) 2024-10-09 | Gustavo Muler Obs. Nazaret J47 | lx 200 ST8 XME AO8 / R / 100.0 | -1.09 ± 2.02 | |
| WASP-158b (MEDIUM) 2023-10-02 | Adam Popowicz Otivar dome2 | Newton 12" ASA ASI ZWO 1600MM / R / 77.0 | 0.35 ± 5.62 | |
| WASP-158b (MEDIUM) 2022-09-24 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | -6.41 ± 2.88 | |
| WASP-158b (MEDIUM) 2021-08-14 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 5.07 ± 4.32 | |
| WASP-158b (MEDIUM) 2021-07-23 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | -0.57 ± 1.87 | |
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
| WASP-158b (MEDIUM) 2023-10-13 | TESS | 1.37 ± 2.3 | ||
| WASP-158b (MEDIUM) 2023-10-09 | TESS | 2.71 ± 2.45 | ||
| WASP-158b (MEDIUM) 2023-10-05 | TESS | 4.92 ± 5.76 | ||
| WASP-158b (MEDIUM) 2023-09-28 | TESS | 1.55 ± 2.59 | ||
| WASP-158b (MEDIUM) 2023-09-24 | TESS | -3.73 ± 2.74 | ||
Literature Mid-times |
||||
| Planet Observation Date |
Reference | O-C minutes |
||
| 2016-08-19 | Hellier et al. 2019 | 0.09 ± 1.44 | ||