| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
K2-107 DR2 4081684580199958528 J18595649-2217363 |
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| RA | 18:59:56.4921 | DEC | -22:17:36.244 | ||
| Parallax 1.432 mas |
P.M. RA -6.246 mas/y |
P.M. DEC -4.471 mas/y |
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| MagV 12.92 |
MagR* 12.531 |
MagI* 12.12 |
MagJ 11.564 |
MagH 11.257 |
MagK 11.21 |
| MagG 12.767 |
MagGBP 13.156 |
MagGRP 12.23 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2457370.80298 ± 0.00012 BJDTDB |
|||||
| Period 3.3139202 ± 1.2e-06 days |
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| Transit Parameters | |||||
| Eigmüller et al. 2017 | |||||
| Rp/Rs 0.083 ± 0.001 |
a/Rs** 5.68 +0.04 -0.04 |
i 81.9 +0.7 -0.7 deg |
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| e - |
ω - deg |
||||
| DepthR* 7.2 mmag |
Duration* 3.29 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 | |||||
| Eigmüller et al. 2017 | |||||
| Teff 6030.0 +120.0 -120.0 K |
Log(g) 4.07 +0.1 -0.1 cm/s2 |
Fe/H 0.1 +0.1 -0.1 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | HIGH | ||||
| Minimum aperture | 11.8" | ||||
| Total Observations (Recent) | 13 (1) | ||||
| O-C | 4.34 ± 2.59 minutes | ||||
| ExoClock Observations (Recent) | 7 (1) | ||||
| Space Observations (Recent) | 6 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | 0.08468 ± 0.00019 | ||||
| TESS Rp/Rs | - | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| K2-107b (HIGH) 2025-06-07 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | 4.34 ± 2.59 | |
| K2-107b (HIGH) 2023-07-09 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | -5.94 ± 3.17 | |
| K2-107b (HIGH) 2023-06-29 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 2.5 ± 2.74 | |
| K2-107b (HIGH) 2023-05-30 | Georgina Farrall Cerro Tololo Observatory | LCO Meade (15.75") SBIG STX6303 / rpr / 92.0 | 4.49 ± 6.19 | |
| K2-107b (HIGH) 2022-08-05 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | 0.62 ± 4.32 | |
| K2-107b (HIGH) 2022-05-14 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 2.5 ± 2.45 | |
| K2-107b (HIGH) 2021-08-22 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | -4.24 ± 4.32 | |
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
| K2-107b (HIGH) 2015-11-17 | K2 | -0.3 ± 0.32 | ||
| K2-107b (HIGH) 2015-11-11 | K2 | 0.02 ± 0.46 | ||
| K2-107b (HIGH) 2015-11-01 | K2 | -0.37 ± 0.65 | ||
| K2-107b (HIGH) 2015-10-28 | K2 | 0.0 ± 0.33 | ||
| K2-107b (HIGH) 2015-10-25 | K2 | 0.32 ± 0.49 | ||
| K2-107b (HIGH) 2015-10-15 | K2 | 0.74 ± 0.6 | ||