| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
K2-138 DR2 2413596935442139520 J23154776-1050590 |
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| RA | 23:15:47.7685 | DEC | -10:50:58.897 | ||
| Parallax 4.908 mas |
P.M. RA -1.018 mas/y |
P.M. DEC -10.522 mas/y |
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| MagV 12.21 |
MagR 12.12 |
MagI 11.4 |
MagJ 10.756 |
MagH 10.384 |
MagK 10.305 |
| MagG 12.025 |
MagGBP 12.463 |
MagGRP 11.452 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Not verified 
|
|||||
|---|---|---|---|---|---|
| Hardegree-Ullman et al. 2021 | |||||
| Mid-time 2457773.8541 ± 0.0044 BJDTDB |
|||||
| Period 41.9665 ± 0.006 days |
|||||
| Transit Parameters | |||||
| Hardegree-Ullman et al. 2021 | |||||
| Rp/Rs 0.0347 ± 0.0017 |
a/Rs 58.6 +4.8 -4.6 |
i 89.29 +0.11 -0.11 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 1.34 mmag |
Duration* 4.03 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
|||||
| Limb Darkening Parameters | |||||
| Hardegree-Ullman et al. 2021 | |||||
| Teff 5283.0 +122.0 -163.0 K |
Log(g) 4.54 +0.09 -0.16 cm/s2 |
Fe/H 0.13 +0.13 -0.18 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | HIGH | ||||
| Minimum aperture | 53.54" | ||||
| Total Observations (Recent) | 0 (0) | ||||
| O-C | - | ||||
| ExoClock Observations (Recent) | 0 (0) | ||||
| Space Observations (Recent) | 0 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | - | ||||