| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
G 268-143 DR2 2353440974955205632 J01161854-2057075 |
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| RA | 01:16:18.5352 | DEC | -20:57:07.932 | ||
| Parallax 15.434 mas |
P.M. RA -115.432 mas/y |
P.M. DEC -249.177 mas/y |
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| MagV 13.5 |
MagR* 12.586 |
MagI* 11.525 |
MagJ 10.403 |
MagH 9.767 |
MagK 9.557 |
| MagG 12.79 |
MagGBP 13.887 |
MagGRP 11.76 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Not verified 
|
|||||
|---|---|---|---|---|---|
| Magliano et al. 2023 | |||||
| Mid-time 2459119.8264 ± 0.0017 BJDTDB |
|||||
| Period 3.994 ± 0.0004 days |
|||||
| Transit Parameters | |||||
| Magliano et al. 2023 | |||||
| Rp/Rs 0.0675 ± 0.0066 |
a/Rs 18.752497989306114 +25.07922380080423 -10.2795259123787 |
i 88.9 +0.5 -0.4 deg |
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| e - |
ω - deg |
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| DepthR* 5.99 mmag |
Duration* 1.64 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 | |||||
| Magliano et al. 2023 | |||||
| Teff 4031.0 +21.0 -23.0 K |
Log(g) 4.58 +0.1 -0.13 cm/s2 |
Fe/H -0.01 +0.07 -0.09 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | ALERT | ||||
| Minimum aperture | 16.95" | ||||
| Total Observations (Recent) | 2 (2) | ||||
| O-C | -14.38 ± 0.99 minutes | ||||
| ExoClock Observations (Recent) | 2 (2) | ||||
| Space Observations (Recent) | 0 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | - | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| TOI-277b (ALERT) 2024-10-10 | Jean-Pascal Vignes Deep Sky Chile | Planewave CDK400 QHYCCD 600M / Lum / 90.0 | 19.3 ± 2.16 | |
| TOI-277b (ALERT) 2024-08-15 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | -23.27 ± 1.11 | |