This page summarises the information held within TEPCat for the transiting system Kepler-308b. 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 43 08.44 | h m s |
| Declination | +40 26 22.4 | d m s |
| Right ascension (decimal) | 295.78517 | degrees |
| Declination (decimal) | 40.43956 | degrees |
| V-band apparent magnitude | 16.01 | mag |
| K-band apparent magnitude | 14.18 | mag |
| Transit duration | 0.1087 ( 2.609 ) | day hour |
| Transit depth | 0.05 | % |
| Time of mid-transit | 2455015.45617 ± 0.00558 | HJD or BJD |
| Orbital period | 9.694928 ± 0.000090 | days |
| Reference for orbital ephemeris | 2014ApJ...784...45R |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5895 ± 200 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.11 ± 0.50 | dex |
| Stellar mass | 1.038 | Msun |
| Stellar radius | 0.941 ± 0.452 | Rsun |
| Stellar logarithmic surface gravity | 4.508 ± 0.300 | c.g.s. |
| Stellar mean density | 1.758 ± 0.548 ( 2.48 ± 0.77 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.189 ± 0.091 ( 2.1 ± 1.0 ) | 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-308b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)