This page summarises the information held within TEPCat for the transiting system K2-54. 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 | 22 32 13.01 | h m s |
| Declination | −17 32 38.4 | d m s |
| Right ascension (decimal) | 338.05421 | degrees |
| Declination (decimal) | -17.54400 | degrees |
| V-band apparent magnitude | 14.04 | mag |
| K-band apparent magnitude | 11.07 | mag |
| Transit duration | 0.115 ( 2.76 ) | day hour |
| Transit depth | 0.07 | % |
| Time of mid-transit | 2456982.93600 ± 0.00530 | HJD or BJD |
| Orbital period | 9.784300 ± 0.001400 | days |
| Reference for orbital ephemeris | 2016ApJS..226....7C |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3798 ± 113 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | dex | |
| Stellar mass | 0.421 ± 0.069 | Msun |
| Stellar radius | 0.384 ± 0.052 | Rsun |
| Stellar logarithmic surface gravity | 4.891 ± 0.057 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.067 ± 0.004 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.103 ± 0.017 ( 1.15 ± 0.19 ) | 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 |
K2-54 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)