This page summarises the information held within TEPCat for the transiting system K2-224b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2018AJ....156...78L | |
| Date of discovery paper | 2018 / 7 / 2 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 12 38 48.98 | h m s |
| Declination | −10 03 38.3 | d m s |
| Right ascension (decimal) | 189.70408 | degrees |
| Declination (decimal) | -10.06064 | degrees |
| V-band apparent magnitude | 12.37 | mag |
| K-band apparent magnitude | 10.94 | mag |
| Transit duration | 0.1080 ( 2.592 ) | day hour |
| Transit depth | 0.03 | % |
| Time of mid-transit | 2457585.67190 ± 0.01350 | HJD or BJD |
| Orbital period | 4.4790400 ± 0.0011600 | days |
| Reference for orbital ephemeris | 2018AJ....156...78L |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5620 +42 −45 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.19 ± 0.06 | dex |
| Stellar mass | 0.910 ± 0.020 | Msun |
| Stellar radius | 0.840 ± 0.010 | Rsun |
| Stellar logarithmic surface gravity | 4.550 +0.010 −0.020 | c.g.s. |
| Stellar mean density | 1.500 +1.100 −0.900 ( 2.1 +1.6 −1.3 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.05160 ± 0.00040 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.139 +0.014 −0.012 ( 1.56 +0.16 −0.13 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 1002 ± 11 | K |
| Reference of detailed study | 2018AJ....156...78L |
K2-224b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)