| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
HD 108236 DR2 6125644402384918784 J12261789-5121462 |
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| RA | 12:26:17.8916 | DEC | -51:21:46.214 | ||
| Parallax 15.452 mas |
P.M. RA -70.434 mas/y |
P.M. DEC -49.865 mas/y |
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| MagV 9.24 |
MagR* 8.865 |
MagI* 8.524 |
MagJ 8.046 |
MagH 7.703 |
MagK 7.637 |
| MagG 9.087 |
MagGBP 9.436 |
MagGRP 8.606 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2458894.745 ± 0.0063 BJDTDB |
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| Period 3.7965 ± 0.00013 days |
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| Transit Parameters | |||||
| Daylan et al. 2021 | |||||
| Rp/Rs 0.01638 ± 0.00095 |
a/Rs 11.35 +0.34 -0.34 |
i 87.88 +1.3 -0.87 deg |
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| e 0.2 +0.3 -0.14 |
ω 190.0 +140.0 -140.0 deg |
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| DepthR* 0.34 mmag |
Duration* 2.41 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 | |||||
| Daylan et al. 2021 | |||||
| Teff 5730.0 +50.0 -50.0 K |
Log(g) 4.5 +0.5 -0.5 cm/s2 |
Fe/H -0.3 +0.5 -0.5 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | HIGH | ||||
| Minimum aperture | 112.23" | ||||
| Total Observations (Recent) | 11 (0) | ||||
| O-C | - | ||||
| ExoClock Observations (Recent) | 0 (0) | ||||
| Space Observations (Recent) | 5 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 6 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.0221 ± 0.0011 | ||||
Space Observations |
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| Planet Observation Date |
Mission | O-C minutes |
||
|---|---|---|---|---|
| HD108236b (HIGH) 2021-04-07 | TESS | -49.25 ± 5.33 | ||
| HD108236b (HIGH) 2021-04-04 | TESS | -87.12 ± 21.6 | ||
| HD108236b (HIGH) 2019-05-17 | TESS | 76.03 ± 6.19 | ||
| HD108236b (HIGH) 2019-05-10 | TESS | 125.28 ± 7.63 | ||
| HD108236b (HIGH) 2019-05-02 | TESS | -29.95 ± 2.3 | ||
Literature Mid-times |
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| Planet Observation Date |
Reference | O-C minutes |
||
| 2020-05-31 | Hoyer et al. 2022 | -6.48 ± 7.49 | ||
| 2020-05-27 | Hoyer et al. 2022 | -1.58 ± 1.87 | ||
| 2020-05-20 | Hoyer et al. 2022 | 3.74 ± 4.03 | ||
| 2020-05-01 | Hoyer et al. 2022 | 10.22 ± 4.03 | ||
| 2020-04-19 | Hoyer et al. 2022 | 23.76 ± 2.88 | ||
| 2020-04-08 | Bonfanti et al. 2021 | 15.41 ± 7.92 | ||