This page summarises the information held within TEPCat for the transiting system Kepler-398c. 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 25 52.48 | h m s |
| Declination | +40 20 37.9 | d m s |
| Right ascension (decimal) | 291.46867 | degrees |
| Declination (decimal) | 40.34386 | degrees |
| V-band apparent magnitude | 13.62 | mag |
| K-band apparent magnitude | 10.79 | mag |
| Transit duration | 0.1392 ( 3.341 ) | day hour |
| Transit depth | 0.02 | % |
| Time of mid-transit | 2454975.11768 ± 0.00271 | HJD or BJD |
| Orbital period | 11.419412 ± 0.000047 | days |
| Reference for orbital ephemeris | 2014ApJ...784...45R |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4493 ± 100 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.07 ± 0.10 | dex |
| Stellar mass | 0.668 | Msun |
| Stellar radius | 0.613 ± 0.028 | Rsun |
| Stellar logarithmic surface gravity | 4.689 ± 0.150 | c.g.s. |
| Stellar mean density | 4.093 ± 0.397 ( 5.78 ± 0.56 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.090 ± 0.010 ( 1.01 ± 0.11 ) | 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-398c does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)