This page summarises the information held within TEPCat for the transiting system Kepler-331d. 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 27 20.24 | h m s |
| Declination | +39 18 26.5 | d m s |
| Right ascension (decimal) | 291.83433 | degrees |
| Declination (decimal) | 39.30736 | degrees |
| V-band apparent magnitude | 16.24 | mag |
| K-band apparent magnitude | 13.34 | mag |
| Transit duration | 0.1173 ( 2.815 ) | day hour |
| Transit depth | 0.12 | % |
| Time of mid-transit | 2454975.26823 ± 0.00375 | HJD or BJD |
| Orbital period | 32.134328 ± 0.000216 | days |
| Reference for orbital ephemeris | 2014ApJ...784...45R |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4347 ± 200 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.85 ± 0.50 | dex |
| Stellar mass | 0.518 | Msun |
| Stellar radius | 0.492 ± 0.047 | Rsun |
| Stellar logarithmic surface gravity | 4.768 ± 0.300 | c.g.s. |
| Stellar mean density | 6.138 ± 1.041 ( 8.7 ± 1.5 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.146 ± 0.015 ( 1.64 ± 0.17 ) | 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-331d does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)