This page summarises the information held within TEPCat for the transiting planetary system K2-308. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2019AJ....158...62R | |
| Date of discovery paper | 2019 / 6 / 7 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 05 13 21.39 | h m s |
| Declination | +16 24 51.1 | d m s |
| Right ascension (decimal) | 78.33912 | degrees |
| Declination (decimal) | 16.41419 | degrees |
| V-band apparent magnitude | 14.96 | mag |
| K-band apparent magnitude | 13.21 | mag |
| Transit duration | 0.129 ( 3.10 ) | day hour |
| Transit depth | 0.6 | % |
| Time of mid-transit | 2457823.2233 ± 0.0006 | HJD or BJD |
| Orbital period | 3.38628 ± 0.00002 | days |
| Reference for orbital ephemeris | 2019AJ....158...62R |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6100 ± 263 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.10 ± 0.08 | dex |
| Stellar mass | 1.09 ± 0.09 | Msun |
| Stellar radius | 1.24 ± 0.10 | Rsun |
| Stellar logarithmic surface gravity | 3.94 ± 0.44 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.885 ± 0.088 ( 9.92 ± 0.99 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2019AJ....158...62R |
K2-308 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/12 John Southworth (Keele University, UK)