| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
K2-19 DR2 3798833775141351552 J11395048+0036129 |
||||
| RA | 11:39:50.4804 | DEC | +00:36:12.877 | ||
| Parallax 3.423 mas |
P.M. RA -18.788 mas/y |
P.M. DEC 4.415 mas/y |
|||
| MagV 13.0 |
MagR 12.88 |
MagI* 12.149 |
MagJ 11.596 |
MagH 11.208 |
MagK 11.161 |
| MagG 12.815 |
MagGBP 13.234 |
MagGRP 12.25 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2022 | |||||
| Mid-time 2456932.195 ± 0.0011 BJDTDB |
|||||
| Period 7.920978 ± 1.9e-05 days |
|||||
| Transit Parameters | |||||
| Sinukoff et al. 2016 | |||||
| Rp/Rs 0.0754 ± 0.0006 |
a/Rs** 19.66 +0.27 -0.27 |
i 89.5 +0.4 -0.4 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 7.63 mmag |
Duration* 3.27 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
|||||
| Limb Darkening Parameters | |||||
| Sinukoff et al. 2016 | |||||
| Teff 5430.0 +60.0 -60.0 K |
Log(g) 4.63 +0.1 -0.1 cm/s2 |
Fe/H 0.1 +0.04 -0.04 dex |
|||
| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | TTVs | ||||
| Minimum aperture | 12.53" | ||||
| Total Observations (Recent) | 19 (3) | ||||
| O-C | -17.49 ± 1.16 minutes | ||||
| ExoClock Observations (Recent) | 3 (3) | ||||
| Space Observations (Recent) | 10 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 6 (0) | ||||
| Kepler Rp/Rs | 0.07263 ± 0.0002 | ||||
| TESS Rp/Rs | 0.0715 ± 0.0021 | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| K2-19b (TTVs) 2023-02-22 | Javier Flores MartÃn CAHA | GSO40 zwo 1600mm pro / Lum / 60.0 | -42.46 ± 2.88 | |
| K2-19b (TTVs) 2023-02-14 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | -49.55 ± 2.59 | |
| K2-19b (TTVs) 2022-05-05 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | -75.31 ± 5.76 | |
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
| K2-19b (TTVs) 2021-12-29 | TESS | -5.11 ± 3.17 | ||
| K2-19b (TTVs) 2021-12-21 | TESS | -3.27 ± 3.89 | ||
| K2-19b (TTVs) 2021-12-13 | TESS | 1.3 ± 4.03 | ||
| K2-19b (TTVs) 2021-12-05 | TESS | 5.3 ± 3.17 | ||
| K2-19b (TTVs) 2021-11-27 | TESS | 13.33 ± 3.31 | ||
| K2-19b (TTVs) 2021-11-11 | TESS | 18.02 ± 5.62 | ||
| K2-19b (TTVs) 2014-07-22 | K2 | -8.8 ± 0.71 | ||
| K2-19b (TTVs) 2014-07-06 | K2 | -4.11 ± 0.42 | ||
| K2-19b (TTVs) 2014-06-28 | K2 | -5.61 ± 0.72 | ||
| K2-19b (TTVs) 2014-06-04 | K2 | 5.13 ± 0.3 | ||
Literature Mid-times |
||||
| Planet Observation Date |
Reference | O-C minutes |
||
| 2017-09-05 | Petigura et al. 2020 | 14.07 ± 2.02 | ||
| 2017-06-25 | Petigura et al. 2020 | 17.24 ± 3.46 | ||
| 2017-04-23 | Petigura et al. 2020 | -14.41 ± 1.3 | ||
| 2015-04-25 | Narita et al. 2015 | 14.5 ± 2.59 | ||
| 2015-03-01 | Narita et al. 2015 | 2.76 ± 2.02 | ||
| 2015-01-28 | Narita et al. 2015 | -8.02 ± 2.02 | ||