This page summarises the information held within TEPCat for the transiting system K2-223b. 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 21 13.47 | h m s |
| Declination | −10 16 55.3 | d m s |
| Right ascension (decimal) | 185.30612 | degrees |
| Declination (decimal) | -10.28203 | degrees |
| V-band apparent magnitude | 11.18 | mag |
| K-band apparent magnitude | 9.84 | mag |
| Transit duration | 0.0584 ( 1.402 ) | day hour |
| Transit depth | 0.01 | % |
| Time of mid-transit | 2457583.56400 ± 0.00420 | HJD or BJD |
| Orbital period | 0.5056500 ± 0.0000600 | days |
| Reference for orbital ephemeris | 2018AJ....156...78L |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5835 +38 −40 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | 0.12 ± 0.06 | dex |
| Stellar mass | 1.060 ± 0.020 | Msun |
| Stellar radius | 0.990 ± 0.010 | Rsun |
| Stellar logarithmic surface gravity | 4.480 ± 0.010 | c.g.s. |
| Stellar mean density | 3.000 +3.200 −1.700 ( 4.2 +4.5 −2.4 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.01270 ± 0.00010 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.079 +0.009 −0.007 ( 0.886 +0.101 −0.078 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 2271 ± 23 | K |
| Reference of detailed study | 2018AJ....156...78L |
K2-223b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)