| 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 2458994.2442 ± 0.00055 BJDTDB |
|||||
| Period 6.203674 ± 2.5e-05 days |
|||||
| Transit Parameters | |||||
| Daylan et al. 2021 | |||||
| Rp/Rs 0.02134 ± 0.00094 |
a/Rs** 16.6 +0.5 -0.4 |
i 88.72 +0.82 -0.74 deg |
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| e 0.18 +0.34 -0.14 |
ω 210.0 +120.0 -120.0 deg |
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| DepthR* 0.58 mmag |
Duration* 2.91 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 | 63.18" | ||||
| Total Observations (Recent) | 15 (0) | ||||
| O-C | - | ||||
| ExoClock Observations (Recent) | 0 (0) | ||||
| Space Observations (Recent) | 9 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 6 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.02416 ± 0.00065 | ||||
Space Observations |
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| Planet Observation Date |
Mission | O-C minutes |
||
|---|---|---|---|---|
| HD108236c (HIGH) 2021-04-24 | TESS | -2.01 ± 2.45 | ||
| HD108236c (HIGH) 2021-04-18 | TESS | 0.69 ± 3.89 | ||
| HD108236c (HIGH) 2021-04-12 | TESS | 0.07 ± 3.31 | ||
| HD108236c (HIGH) 2021-04-06 | TESS | -2.7 ± 5.62 | ||
| HD108236c (HIGH) 2019-05-18 | TESS | 7.69 ± 5.33 | ||
| HD108236c (HIGH) 2019-05-12 | TESS | -10.64 ± 8.35 | ||
| HD108236c (HIGH) 2019-04-29 | TESS | -5.67 ± 7.63 | ||
| HD108236c (HIGH) 2019-04-05 | TESS | 3.54 ± 6.48 | ||
| HD108236c (HIGH) 2019-03-29 | TESS | -1.39 ± 3.89 | ||
Literature Mid-times |
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| Planet Observation Date |
Reference | O-C minutes |
||
| 2020-06-06 | Hoyer et al. 2022 | 4.39 ± 1.15 | ||
| 2020-05-12 | Hoyer et al. 2022 | -4.54 ± 3.02 | ||
| 2020-05-06 | Hoyer et al. 2022 | -0.54 ± 0.72 | ||
| 2020-04-29 | Hoyer et al. 2022 | -1.45 ± 3.17 | ||
| 2020-04-05 | Bonfanti et al. 2021 | -8.94 ± 3.17 | ||
| 2020-03-11 | Hoyer et al. 2022 | -1.75 ± 2.3 | ||