| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
TOI-2977 DR2 5305241494923209856 J09354239-6021271 |
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| RA | 09:35:42.4094 | DEC | -60:21:27.237 | ||
| Parallax 2.725 mas |
P.M. RA -19.874 mas/y |
P.M. DEC 21.6 mas/y |
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| MagV 12.531 |
MagR 12.374 |
MagI* 11.688 |
MagJ 11.128 |
MagH 10.776 |
MagK 10.666 |
| MagG 12.444 |
MagGBP 12.773 |
MagGRP 11.798 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
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|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2459780.48366 ± 0.0002 BJDTDB |
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| Period 2.3505602 ± 1.4e-06 days |
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| Transit Parameters | |||||
| Yee et al. 2023 | |||||
| Rp/Rs 0.11247221879201992 ± 0.0015114843632129161 |
a/Rs 6.806 +0.059 -0.09 |
i 89.19 +0.57 -0.82 deg |
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| e - |
ω - deg |
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| DepthR* 16.97 mmag |
Duration* 2.94 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 | |||||
| Yee et al. 2023 | |||||
| Teff 5691.0 +94.0 -93.0 K |
Log(g) 4.35 +0.01 -0.01 cm/s2 |
Fe/H 0.013 +0.087 -0.085 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | LOW | ||||
| Minimum aperture | 6.41" | ||||
| Total Observations (Recent) | 27 (4) | ||||
| O-C | 0.75 ± 0.31 minutes | ||||
| ExoClock Observations (Recent) | 8 (4) | ||||
| Space Observations (Recent) | 19 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.10595 ± 0.00068 | ||||
ExoClock Observations |
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| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| TOI-2977b (LOW) 2025-04-28 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 0.74 ± 0.79 | |
| TOI-2977b (LOW) 2025-03-19 | Jean-Pascal Vignes Deep Sky Chile | Planewave CDK400 QHYCCD 600M / Lum / 60.0 | 1.38 ± 0.53 | |
| TOI-2977b (LOW) 2025-03-19 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 1.13 ± 0.76 | |
| TOI-2977b (LOW) 2025-02-07 | Francois Regembal HRT Deep Sky Chile | Astrosib RC360 Moravian C3 PRO 61000 / Lum / 140.0 | 1.79 ± 1.73 | |
| TOI-2977b (LOW) 2024-02-11 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | -1.97 ± 0.98 | |
| TOI-2977b (LOW) 2024-01-02 | Jean-Pascal Vignes Deep Sky Chile | Planewave CDK400 QHYCCD 600M / Lum / 60.0 | 1.79 ± 0.89 | |
| TOI-2977b (LOW) 2024-01-02 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | -1.12 ± 1.05 | |
| TOI-2977b (LOW) 2023-11-16 | Magdalena Szkudlarek Deep Sky Chile - ROTUZ | PlaneWave CDK 20 QHY268M pro / R / 90.0 | 2.07 ± 1.87 | |
Space Observations |
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| Planet Observation Date |
Mission | O-C minutes |
||
| TOI-2977b (LOW) 2023-05-02 | TESS | 0.57 ± 1.73 | ||
| TOI-2977b (LOW) 2023-04-30 | TESS | 1.52 ± 1.58 | ||
| TOI-2977b (LOW) 2023-04-25 | TESS | 1.42 ± 1.27 | ||
| TOI-2977b (LOW) 2023-04-23 | TESS | 0.63 ± 1.58 | ||
| TOI-2977b (LOW) 2023-04-20 | TESS | -0.0 ± 1.58 | ||
| TOI-2977b (LOW) 2023-04-18 | TESS | 1.67 ± 1.73 | ||
| TOI-2977b (LOW) 2023-04-16 | TESS | 0.89 ± 1.58 | ||
| TOI-2977b (LOW) 2023-04-11 | TESS | -2.74 ± 1.18 | ||
| TOI-2977b (LOW) 2023-04-09 | TESS | -2.16 ± 1.73 | ||
| TOI-2977b (LOW) 2023-04-06 | TESS | 0.08 ± 1.58 | ||
| TOI-2977b (LOW) 2023-04-04 | TESS | 2.76 ± 1.58 | ||
| TOI-2977b (LOW) 2023-04-02 | TESS | 0.7 ± 1.32 | ||
| TOI-2977b (LOW) 2023-03-28 | TESS | -0.43 ± 1.07 | ||
| TOI-2977b (LOW) 2023-03-26 | TESS | -2.8 ± 1.58 | ||
| TOI-2977b (LOW) 2023-03-21 | TESS | 1.84 ± 1.73 | ||
| TOI-2977b (LOW) 2023-03-19 | TESS | -0.38 ± 1.44 | ||
| TOI-2977b (LOW) 2023-03-16 | TESS | 0.73 ± 1.27 | ||
| TOI-2977b (LOW) 2023-03-14 | TESS | -0.43 ± 1.28 | ||
| TOI-2977b (LOW) 2023-03-12 | TESS | -3.44 ± 1.4 | ||
Literature Mid-times |
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| Planet Observation Date |
Reference | O-C minutes |
||
| 2021-06-08 | Yee et al. 2023 | 0.04 ± 0.4 | ||