| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
Kepler-18 DR2 2079295583282164992 J19521906+4444467 |
||||
| RA | 19:52:19.0688 | DEC | +44:44:46.807 | ||
| Parallax 2.28 mas |
P.M. RA -1.432 mas/y |
P.M. DEC -20.313 mas/y |
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| MagV 13.767 |
MagR 13.93 |
MagI* 12.843 |
MagJ 12.189 |
MagH 11.873 |
MagK 11.756 |
| MagG 13.539 |
MagGBP 14.003 |
MagGRP 12.938 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2022 | |||||
| Mid-time 2455704.09996 ± 0.00025 BJDTDB |
|||||
| Period 14.8589223 ± 9.1e-06 days |
|||||
| Transit Parameters | |||||
| Cochran et al. 2011 | |||||
| Rp/Rs 0.0578 ± 0.0007 |
a/Rs 22.5 +1.0 -1.0 |
i 88.07 +0.1 -0.1 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 3.62 mmag |
Duration* 3.73 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
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| Limb Darkening Parameters | |||||
| Cochran et al. 2011 | |||||
| Teff 5345.0 +100.0 -100.0 K |
Log(g) 4.31 +0.12 -0.12 cm/s2 |
Fe/H 0.19 +0.06 -0.06 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | TTVs | ||||
| Minimum aperture | 37.58" | ||||
| Total Observations (Recent) | 82 (0) | ||||
| O-C | - | ||||
| ExoClock Observations (Recent) | 0 (0) | ||||
| Space Observations (Recent) | 82 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | 0.05747 ± 0.0001 | ||||
| TESS Rp/Rs | 0.0949 ± 0.0095 | ||||
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
|---|---|---|---|---|
| Kepler-18d (TTVs) 2019-07-26 | TESS | 8.29 ± 8.06 | ||
| Kepler-18d (TTVs) 2013-04-19 | KEPLER | 2.58 ± 1.3 | ||
| Kepler-18d (TTVs) 2013-04-05 | KEPLER | 3.48 ± 1.44 | ||
| Kepler-18d (TTVs) 2013-03-21 | KEPLER | 3.81 ± 1.22 | ||
| Kepler-18d (TTVs) 2013-02-19 | KEPLER | 0.69 ± 1.58 | ||
| Kepler-18d (TTVs) 2013-02-04 | KEPLER | -0.5 ± 1.34 | ||
| Kepler-18d (TTVs) 2013-01-05 | KEPLER | -3.96 ± 1.73 | ||
| Kepler-18d (TTVs) 2012-12-22 | KEPLER | -3.51 ± 1.14 | ||
| Kepler-18d (TTVs) 2012-11-22 | KEPLER | -8.04 ± 2.02 | ||
| Kepler-18d (TTVs) 2012-11-07 | KEPLER | -5.42 ± 1.4 | ||
| Kepler-18d (TTVs) 2012-10-23 | KEPLER | -2.94 ± 2.02 | ||
| Kepler-18d (TTVs) 2012-10-08 | KEPLER | -5.07 ± 1.73 | ||
| Kepler-18d (TTVs) 2012-09-23 | KEPLER | -3.36 ± 1.41 | ||
| Kepler-18d (TTVs) 2012-09-09 | KEPLER | 1.18 ± 1.2 | ||
| Kepler-18d (TTVs) 2012-08-25 | KEPLER | 1.42 ± 0.99 | ||
| Kepler-18d (TTVs) 2012-08-10 | KEPLER | 2.41 ± 1.73 | ||
| Kepler-18d (TTVs) 2012-07-26 | KEPLER | 4.71 ± 1.31 | ||
| Kepler-18d (TTVs) 2012-07-11 | KEPLER | 5.35 ± 1.87 | ||
| Kepler-18d (TTVs) 2012-06-26 | KEPLER | 4.81 ± 1.73 | ||
| Kepler-18d (TTVs) 2012-06-11 | KEPLER | 3.01 ± 1.25 | ||
| Kepler-18d (TTVs) 2012-05-28 | KEPLER | 1.53 ± 1.05 | ||
| Kepler-18d (TTVs) 2012-05-13 | KEPLER | 0.63 ± 1.31 | ||
| Kepler-18d (TTVs) 2012-04-13 | KEPLER | -2.06 ± 1.28 | ||
| Kepler-18d (TTVs) 2012-03-29 | KEPLER | -2.92 ± 1.87 | ||
| Kepler-18d (TTVs) 2012-03-14 | KEPLER | -3.75 ± 1.58 | ||
| Kepler-18d (TTVs) 2012-02-28 | KEPLER | -5.74 ± 2.02 | ||
| Kepler-18d (TTVs) 2012-02-14 | KEPLER | -3.16 ± 1.17 | ||
| Kepler-18d (TTVs) 2012-01-30 | KEPLER | -2.5 ± 1.58 | ||
| Kepler-18d (TTVs) 2012-01-15 | KEPLER | -1.39 ± 1.4 | ||
| Kepler-18d (TTVs) 2011-12-31 | KEPLER | -1.55 ± 1.31 | ||
| Kepler-18d (TTVs) 2011-12-16 | KEPLER | 0.01 ± 1.44 | ||
| Kepler-18d (TTVs) 2011-11-16 | KEPLER | 3.7 ± 1.58 | ||
| Kepler-18d (TTVs) 2011-11-02 | KEPLER | 1.66 ± 1.18 | ||
| Kepler-18d (TTVs) 2011-10-18 | KEPLER | 6.07 ± 1.58 | ||
| Kepler-18d (TTVs) 2011-10-03 | KEPLER | 0.66 ± 1.34 | ||
| Kepler-18d (TTVs) 2011-09-18 | KEPLER | 3.0 ± 1.31 | ||
| Kepler-18d (TTVs) 2011-09-03 | KEPLER | 0.98 ± 1.73 | ||
| Kepler-18d (TTVs) 2011-08-19 | KEPLER | 0.69 ± 1.22 | ||
| Kepler-18d (TTVs) 2011-07-21 | KEPLER | -0.06 ± 1.34 | ||
| Kepler-18d (TTVs) 2011-06-21 | KEPLER | -3.03 ± 1.22 | ||
| Kepler-18d (TTVs) 2011-06-06 | KEPLER | -5.45 ± 1.44 | ||
| Kepler-18d (TTVs) 2011-05-22 | KEPLER | -3.9 ± 1.3 | ||
| Kepler-18d (TTVs) 2011-04-08 | KEPLER | -0.8 ± 1.14 | ||
| Kepler-18d (TTVs) 2011-03-24 | KEPLER | -1.04 ± 0.92 | ||
| Kepler-18d (TTVs) 2011-03-09 | KEPLER | 4.54 ± 1.58 | ||
| Kepler-18d (TTVs) 2011-02-22 | KEPLER | -0.9 ± 1.35 | ||
| Kepler-18d (TTVs) 2011-02-07 | KEPLER | 4.6 ± 1.58 | ||
| Kepler-18d (TTVs) 2011-01-23 | KEPLER | 5.58 ± 1.01 | ||
| Kepler-18d (TTVs) 2011-01-08 | KEPLER | 3.08 ± 2.74 | ||
| Kepler-18d (TTVs) 2010-12-10 | KEPLER | 2.86 ± 1.73 | ||
| Kepler-18d (TTVs) 2010-11-25 | KEPLER | 1.02 ± 2.16 | ||
| Kepler-18d (TTVs) 2010-10-26 | KEPLER | -3.38 ± 2.02 | ||
| Kepler-18d (TTVs) 2010-10-11 | KEPLER | -2.63 ± 2.16 | ||
| Kepler-18d (TTVs) 2010-09-26 | KEPLER | -4.8 ± 1.12 | ||
| Kepler-18d (TTVs) 2010-09-11 | KEPLER | -5.39 ± 1.32 | ||
| Kepler-18d (TTVs) 2010-08-28 | KEPLER | -5.23 ± 1.37 | ||
| Kepler-18d (TTVs) 2010-08-13 | KEPLER | -4.08 ± 1.44 | ||
| Kepler-18d (TTVs) 2010-07-29 | KEPLER | -3.33 ± 1.58 | ||
| Kepler-18d (TTVs) 2010-07-14 | KEPLER | 2.75 ± 2.3 | ||
| Kepler-18d (TTVs) 2010-06-29 | KEPLER | -3.12 ± 2.02 | ||
| Kepler-18d (TTVs) 2010-06-14 | KEPLER | -0.64 ± 1.32 | ||
| Kepler-18d (TTVs) 2010-05-30 | KEPLER | 1.84 ± 1.25 | ||
| Kepler-18d (TTVs) 2010-05-16 | KEPLER | 3.45 ± 2.02 | ||
| Kepler-18d (TTVs) 2010-05-01 | KEPLER | 4.48 ± 1.05 | ||
| Kepler-18d (TTVs) 2010-04-16 | KEPLER | 6.07 ± 1.4 | ||
| Kepler-18d (TTVs) 2010-04-01 | KEPLER | 2.54 ± 0.88 | ||
| Kepler-18d (TTVs) 2010-03-17 | KEPLER | 0.64 ± 1.4 | ||
| Kepler-18d (TTVs) 2010-03-02 | KEPLER | 0.32 ± 1.15 | ||
| Kepler-18d (TTVs) 2010-02-01 | KEPLER | -1.65 ± 1.73 | ||
| Kepler-18d (TTVs) 2010-01-17 | KEPLER | -4.79 ± 1.44 | ||
| Kepler-18d (TTVs) 2010-01-02 | KEPLER | -4.09 ± 1.41 | ||
| Kepler-18d (TTVs) 2009-12-03 | KEPLER | -2.1 ± 1.58 | ||
| Kepler-18d (TTVs) 2009-11-03 | KEPLER | 8.91 ± 5.04 | ||
| Kepler-18d (TTVs) 2009-10-05 | KEPLER | 1.17 ± 1.31 | ||
| Kepler-18d (TTVs) 2009-09-20 | KEPLER | 1.95 ± 1.58 | ||
| Kepler-18d (TTVs) 2009-09-05 | KEPLER | 1.69 ± 1.44 | ||
| Kepler-18d (TTVs) 2009-08-21 | KEPLER | 4.03 ± 1.73 | ||
| Kepler-18d (TTVs) 2009-07-22 | KEPLER | 1.26 ± 1.04 | ||
| Kepler-18d (TTVs) 2009-07-08 | KEPLER | 4.7 ± 2.02 | ||
| Kepler-18d (TTVs) 2009-06-23 | KEPLER | -0.59 ± 1.58 | ||
| Kepler-18d (TTVs) 2009-06-08 | KEPLER | -2.15 ± 1.22 | ||
| Kepler-18d (TTVs) 2009-05-09 | KEPLER | -3.65 ± 1.3 | ||