This page summarises the information held within TEPCat for the transiting system Kepler-338d. 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 | 18 51 54.95 | h m s |
| Declination | +40 47 03.7 | d m s |
| Right ascension (decimal) | 282.97896 | degrees |
| Declination (decimal) | 40.78436 | degrees |
| V-band apparent magnitude | 12.24 | mag |
| K-band apparent magnitude | 10.75 | mag |
| Transit duration | 0.4427 ( 10.625 ) | day hour |
| Transit depth | 0.02 | % |
| Time of mid-transit | 2454976.54198 ± 0.00480 | HJD or BJD |
| Orbital period | 44.431014 ± 0.000368 | days |
| Reference for orbital ephemeris | 2014ApJ...784...45R |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5923 ± 77 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.07 ± 0.10 | dex |
| Stellar mass | 1.144 | Msun |
| Stellar radius | 1.735 ± 0.082 | Rsun |
| Stellar logarithmic surface gravity | 4.017 ± 0.073 | c.g.s. |
| Stellar mean density | 0.309 ± 0.034 ( 0.436 ± 0.048 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.268 ± 0.025 ( 3.00 ± 0.28 ) | 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-338d does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)