| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
HD 39474 DR2 4767547667180525696 J05493641-5454386 |
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| RA | 05:49:36.4133 | DEC | -54:54:38.555 | ||
| Parallax 8.757 mas |
P.M. RA 7.731 mas/y |
P.M. DEC 66.448 mas/y |
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| MagV 9.715 |
MagR* 8.745 |
MagI* 9.128 |
MagJ 8.103 |
MagH 7.923 |
MagK 7.846 |
| MagG 8.94 |
MagGBP 9.223 |
MagGRP 8.543 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2459276.6845 ± 0.0015 BJDTDB |
|||||
| Period 52.9786 ± 0.00014 days |
|||||
| Transit Parameters | |||||
| Hobson et al. 2021 | |||||
| Rp/Rs 0.0789 ± 0.0013 |
a/Rs** 50.9 +2.9 -2.9 |
i** 88.88 +0.11 -0.11 deg |
|||
| e 0.28 +0.06 -0.09 |
ω 82.0 +14.0 -9.0 deg |
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| DepthR* 6.96 mmag |
Duration* 4.81 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 | |||||
| Hobson et al. 2021 | |||||
| Teff 6394.0 +75.0 -75.0 K |
Log(g) 4.32 +0.01 -0.01 cm/s2 |
Fe/H 0.24 +0.036 -0.036 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | HIGH - TTVs | ||||
| Minimum aperture | 5.0" | ||||
| Total Observations (Recent) | 14 (0) | ||||
| O-C | - | ||||
| ExoClock Observations (Recent) | 2 (0) | ||||
| Space Observations (Recent) | 12 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.07917 ± 0.00014 | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| TOI-201b (HIGH - TTVs) 2023-06-28 | ASTEP Team ASTEP | Newton FLI Kepler KL 400 / B / 60.0 | 21.74 ± 3.46 | |
| TOI-201b (HIGH - TTVs) 2023-06-28 | ASTEP Team ASTEP | Newton Andor iKon936 BEX2-DD / R / 5.0 | 19.44 ± 1.73 | |
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
| TOI-201b (HIGH - TTVs) 2023-08-20 | TESS | 15.68 ± 0.58 | ||
| TOI-201b (HIGH - TTVs) 2023-05-06 | TESS | 7.04 ± 0.55 | ||
| TOI-201b (HIGH - TTVs) 2023-01-20 | TESS | -17.06 ± 0.58 | ||
| TOI-201b (HIGH - TTVs) 2021-06-17 | TESS | -5.2 ± 0.62 | ||
| TOI-201b (HIGH - TTVs) 2021-04-25 | TESS | -5.7 ± 0.56 | ||
| TOI-201b (HIGH - TTVs) 2021-03-03 | TESS | -4.32 ± 0.56 | ||
| TOI-201b (HIGH - TTVs) 2021-01-09 | TESS | -2.95 ± 0.59 | ||
| TOI-201b (HIGH - TTVs) 2020-09-25 | TESS | -1.08 ± 0.6 | ||
| TOI-201b (HIGH - TTVs) 2020-08-03 | TESS | -2.29 ± 0.56 | ||
| TOI-201b (HIGH - TTVs) 2019-04-14 | TESS | 2.94 ± 0.66 | ||
| TOI-201b (HIGH - TTVs) 2018-12-29 | TESS | 4.87 ± 0.56 | ||
| TOI-201b (HIGH - TTVs) 2018-11-06 | TESS | 5.14 ± 0.55 | ||