| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
HD 297549 DR2 5313031504751276032 J09362869-5027478 |
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| RA | 09:36:28.6865 | DEC | -50:27:47.793 | ||
| Parallax 7.023 mas |
P.M. RA -24.817 mas/y |
P.M. DEC 42.417 mas/y |
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| MagV 9.82 |
MagR* 9.454 |
MagI* 9.183 |
MagJ 8.722 |
MagH 8.47 |
MagK 8.429 |
| MagG 9.661 |
MagGBP 9.968 |
MagGRP 9.229 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
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|---|---|---|---|---|---|
| Kokori et al. 2022 | |||||
| Mid-time 2458918.28242 ± 0.00013 BJDTDB |
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| Period 11.2366063 ± 4.1e-06 days |
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| Transit Parameters | |||||
| Jordán et al. 2020 | |||||
| Rp/Rs 0.0942 ± 0.001 |
a/Rs** 21.5 +0.17 -0.17 |
i 87.63 +0.11 -0.1 deg |
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| e 0.435 +0.024 -0.024 |
ω 70.47 +3.61 -3.61 deg |
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| DepthR* 10.91 mmag |
Duration* 2.47 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 | |||||
| Jordán et al. 2020 | |||||
| Teff 6295.0 +77.0 -77.0 K |
Log(g) 4.29 +0.03 -0.03 cm/s2 |
Fe/H 0.0 +0.05 -0.05 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | HIGH | ||||
| Minimum aperture | 5.0" | ||||
| Total Observations (Recent) | 13 (2) | ||||
| O-C | -1.49 ± 1.27 minutes | ||||
| ExoClock Observations (Recent) | 5 (2) | ||||
| Space Observations (Recent) | 8 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.08929 ± 0.0003 | ||||
ExoClock Observations |
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| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| TOI-677b (HIGH) 2024-12-04 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 45.0 | -3.01 ± 1.87 | |
| TOI-677b (HIGH) 2024-02-27 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 30.0 | -0.19 ± 1.73 | |
| TOI-677b (HIGH) 2022-06-08 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 60.0 | -1.12 ± 1.01 | |
| TOI-677b (HIGH) 2022-04-24 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 60.0 | -2.53 ± 1.01 | |
| TOI-677b (HIGH) 2022-01-24 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | -0.35 ± 0.91 | |
Space Observations |
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| Planet Observation Date |
Mission | O-C minutes |
||
| TOI-677b (HIGH) 2021-03-26 | TESS | -0.11 ± 0.45 | ||
| TOI-677b (HIGH) 2021-03-15 | TESS | 0.33 ± 0.48 | ||
| TOI-677b (HIGH) 2021-03-04 | TESS | -0.1 ± 0.48 | ||
| TOI-677b (HIGH) 2021-02-21 | TESS | -0.27 ± 0.53 | ||
| TOI-677b (HIGH) 2019-04-18 | TESS | 1.04 ± 0.46 | ||
| TOI-677b (HIGH) 2019-04-07 | TESS | 0.23 ± 0.49 | ||
| TOI-677b (HIGH) 2019-03-16 | TESS | -0.9 ± 0.46 | ||
| TOI-677b (HIGH) 2019-03-04 | TESS | -0.26 ± 0.49 | ||