| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
CD-50 777 DR2 4745660479479743488 J02393544-5000288 |
||||
| RA | 02:39:35.4435 | DEC | -50:00:28.878 | ||
| Parallax 6.274 mas |
P.M. RA -1.868 mas/y |
P.M. DEC -39.856 mas/y |
|||
| MagV 9.48 |
MagR* 9.116 |
MagI* 8.832 |
MagJ 8.436 |
MagH 8.129 |
MagK 8.088 |
| MagG 9.325 |
MagGBP 9.64 |
MagGRP 8.889 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2459107.03289 ± 0.00019 BJDTDB |
|||||
| Period 5.7525834 ± 1.5e-06 days |
|||||
| Transit Parameters | |||||
| Hellier et al. 2014 | |||||
| Rp/Rs 0.064 ± 0.0016 |
a/Rs 8.59 +0.2 -0.2 |
i 88.8 +1.1 -1.1 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 5.37 mmag |
Duration* 5.38 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
|||||
| Limb Darkening Parameters | |||||
| Hellier et al. 2014 | |||||
| Teff 6180.0 +100.0 -100.0 K |
Log(g) 4.12 +0.02 -0.04 cm/s2 |
Fe/H 0.21 +0.15 -0.15 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | HIGH | ||||
| Minimum aperture | 6.4" | ||||
| Total Observations (Recent) | 16 (0) | ||||
| O-C | 1.48 ± 6.91 minutes | ||||
| ExoClock Observations (Recent) | 1 (0) | ||||
| Space Observations (Recent) | 14 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 1 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.0678 ± 0.00015 | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| WASP-99b (HIGH) 2024-10-19 | Anaël Wünsche El Sauce Observatory | CDK Planewave Chili Moravian G4 16k / R / 120.0 | 1.48 ± 6.91 | |
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
| WASP-99b (HIGH) 2023-09-18 | TESS | -0.69 ± 0.6 | ||
| WASP-99b (HIGH) 2023-09-12 | TESS | -0.04 ± 0.72 | ||
| WASP-99b (HIGH) 2023-08-26 | TESS | -0.38 ± 0.68 | ||
| WASP-99b (HIGH) 2020-10-19 | TESS | -0.43 ± 0.78 | ||
| WASP-99b (HIGH) 2020-10-13 | TESS | 0.22 ± 0.79 | ||
| WASP-99b (HIGH) 2020-10-01 | TESS | 1.66 ± 0.72 | ||
| WASP-99b (HIGH) 2020-09-26 | TESS | -0.96 ± 0.69 | ||
| WASP-99b (HIGH) 2020-09-14 | TESS | 0.22 ± 0.66 | ||
| WASP-99b (HIGH) 2020-09-03 | TESS | -0.28 ± 0.68 | ||
| WASP-99b (HIGH) 2020-08-28 | TESS | 0.1 ± 0.69 | ||
| WASP-99b (HIGH) 2018-10-13 | TESS | -0.15 ± 0.6 | ||
| WASP-99b (HIGH) 2018-10-07 | TESS | -0.13 ± 0.62 | ||
| WASP-99b (HIGH) 2018-10-02 | TESS | 0.07 ± 0.69 | ||
| WASP-99b (HIGH) 2018-09-26 | TESS | 1.82 ± 0.68 | ||
Literature Mid-times |
||||
| Planet Observation Date |
Reference | O-C minutes |
||
| 2012-10-24 | Hellier et al. 2014 | -7.79 ± 2.02 | ||