This page summarises the information held within TEPCat for the transiting system K2-47. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2016ApJS..226....7C | |
| Date of discovery paper | 2016 / 7 / 19 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 11 14 19.82 | h m s |
| Declination | +02 46 50.6 | d m s |
| Right ascension (decimal) | 168.58258 | degrees |
| Declination (decimal) | 2.78072 | degrees |
| V-band apparent magnitude | 14.09 | mag |
| K-band apparent magnitude | 11.73 | mag |
| Transit duration | 0.167 ( 4.01 ) | day hour |
| Transit depth | 0.05 | % |
| Time of mid-transit | 2456825.70300 ± 0.01400 | HJD or BJD |
| Orbital period | 31.637200 ± 0.008800 | days |
| Reference for orbital ephemeris | 2016ApJS..226....7C |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5054 ± 82 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | dex | |
| Stellar mass | 0.750 ± 0.020 | Msun |
| Stellar radius | 0.760 ± 0.030 | Rsun |
| Stellar logarithmic surface gravity | 4.544 ± 0.036 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.178 ± 0.002 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.169 ± 0.023 ( 1.89 ± 0.26 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2016ApJS..226....7C |
K2-47 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)