This page summarises the information held within TEPCat for the transiting planetary system K2-286. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2019MNRAS.489.5928D | |
| Date of discovery paper | 2019 / 1 / 16 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 15 33 28.70 | h m s |
| Declination | −16 46 23.7 | d m s |
| Right ascension (decimal) | 233.36958 | degrees |
| Declination (decimal) | -16.77325 | degrees |
| V-band apparent magnitude | 12.76 | mag |
| K-band apparent magnitude | 9.32 | mag |
| Transit duration | 0.125 ( 3.00 ) | day hour |
| Transit depth | 0.14 | % |
| Time of mid-transit | 2458010.317 ± 0.002 | HJD or BJD |
| Orbital period | 27.359 ± 0.005 | days |
| Reference for orbital ephemeris | 2019MNRAS.489.5928D |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3926 ± 100 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.0 ± 0.5 | dex |
| Stellar mass | 0.64 ± 0.02 | Msun |
| Stellar radius | 0.62 ± 0.02 | Rsun |
| Stellar logarithmic surface gravity | 4.7 ± 0.2 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.177 +0.018 −0.021 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.188 ± 0.018 ( 2.11 ± 0.20 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 347 +21 −11 | K |
| Reference of detailed study | 2019MNRAS.489.5928D |
K2-286 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)