This page summarises the information held within TEPCat for the transiting system Kepler-309b. 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 50 02.37 | h m s |
| Declination | +46 57 40.5 | d m s |
| Right ascension (decimal) | 297.50987 | degrees |
| Declination (decimal) | 46.96125 | degrees |
| V-band apparent magnitude | 15.47 | mag |
| K-band apparent magnitude | 12.85 | mag |
| Transit duration | 0.1161 ( 2.786 ) | day hour |
| Transit depth | 0.04 | % |
| Time of mid-transit | 2454967.68239 ± 0.00245 | HJD or BJD |
| Orbital period | 5.923653 ± 0.000028 | days |
| Reference for orbital ephemeris | 2014ApJ...784...45R |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4713 ± 100 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | 0.20 ± 0.10 | dex |
| Stellar mass | 0.778 | Msun |
| Stellar radius | 0.721 ± 0.040 | Rsun |
| Stellar logarithmic surface gravity | 4.612 ± 0.150 | c.g.s. |
| Stellar mean density | 2.927 ± 0.388 ( 4.13 ± 0.55 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.139 ± 0.012 ( 1.56 ± 0.13 ) | 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-309b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)