| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
K2-198 DR2 3628687065162340224 J13152252-0627535 |
||||
| RA | 13:15:22.5217 | DEC | -06:27:53.620 | ||
| Parallax 9.016 mas |
P.M. RA -36.688 mas/y |
P.M. DEC -21.893 mas/y |
|||
| MagV 10.97 |
MagR* 10.745 |
MagI* 10.062 |
MagJ 9.741 |
MagH 9.313 |
MagK 9.228 |
| MagG 10.996 |
MagGBP 11.458 |
MagGRP 10.411 |
|||
| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2457966.02876 ± 0.00063 BJDTDB |
|||||
| Period 7.450028 ± 1e-05 days |
|||||
| Transit Parameters | |||||
| Hedges et al. 2019 | |||||
| Rp/Rs 0.022 ± 0.00057 |
a/Rs** 19.5 +1.5 -1.5 |
i 89.86 +0.68 -0.3 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 0.66 mmag |
Duration* 2.98 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
|||||
| Limb Darkening Parameters | |||||
| Mayo et al. 2018 | |||||
| Teff 5212.9 +99.0 -49.2 K |
Log(g) 4.582 +0.065 -0.064 cm/s2 |
Fe/H 0.0 +0.0 -0.0 dex |
|||
| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | HIGH | ||||
| Minimum aperture | 78.85" | ||||
| Total Observations (Recent) | 13 (0) | ||||
| O-C | - | ||||
| ExoClock Observations (Recent) | 0 (0) | ||||
| Space Observations (Recent) | 13 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | 0.02886 ± 0.00021 | ||||
| TESS Rp/Rs | 0.0312 ± 0.0045 | ||||
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
|---|---|---|---|---|
| K2-198d (HIGH) 2021-12-26 | TESS | 33.54 ± 6.48 | ||
| K2-198d (HIGH) 2018-04-25 | K2 | -0.82 ± 2.02 | ||
| K2-198d (HIGH) 2018-04-18 | K2 | -0.88 ± 0.63 | ||
| K2-198d (HIGH) 2018-04-10 | K2 | -13.27 ± 7.34 | ||
| K2-198d (HIGH) 2018-03-12 | K2 | 4.75 ± 2.16 | ||
| K2-198d (HIGH) 2018-03-04 | K2 | -1.69 ± 6.91 | ||
| K2-198d (HIGH) 2015-08-31 | K2 | 0.68 ± 2.3 | ||
| K2-198d (HIGH) 2015-08-23 | K2 | 2.45 ± 2.45 | ||
| K2-198d (HIGH) 2015-08-16 | K2 | 7.1 ± 5.62 | ||
| K2-198d (HIGH) 2015-08-08 | K2 | -1.36 ± 2.59 | ||
| K2-198d (HIGH) 2015-08-01 | K2 | -2.62 ± 2.16 | ||
| K2-198d (HIGH) 2015-07-24 | K2 | 3.04 ± 2.16 | ||
| K2-198d (HIGH) 2015-07-17 | K2 | 2.79 ± 2.59 | ||