This page summarises the information held within TEPCat for the transiting system Kepler-198b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2014ApJ...784...45R | |
| Date of discovery paper | 2014 / 3 / 20 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 19 22 41.55 | h m s |
| Declination | +38 41 27.6 | d m s |
| Right ascension (decimal) | 290.67313 | degrees |
| Declination (decimal) | 38.69100 | degrees |
| V-band apparent magnitude | 13.75 | mag |
| K-band apparent magnitude | 12.02 | mag |
| Transit duration | 0.1866 ( 4.478 ) | day hour |
| Transit depth | 0.09 | % |
| Time of mid-transit | 2455015.43638 ± 0.00105 | HJD or BJD |
| Orbital period | 17.790037 ± 0.000035 | days |
| Reference for orbital ephemeris | 2014ApJ...784...45R |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5574 ± 100 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.02 ± 0.10 | dex |
| Stellar mass | 0.942 | Msun |
| Stellar radius | 0.940 ± 0.139 | Rsun |
| Stellar logarithmic surface gravity | 4.467 ± 0.150 | c.g.s. |
| Stellar mean density | 1.601 ± 0.463 ( 2.26 ± 0.65 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.252 ± 0.037 ( 2.82 ± 0.41 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2014ApJ...784...45R |
Kepler-198b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)