This page summarises the information held within TEPCat for the transiting system K2-243b. 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 04 29.13 | h m s |
| Declination | −04 53 57.0 | d m s |
| Right ascension (decimal) | 181.12138 | degrees |
| Declination (decimal) | -4.89917 | degrees |
| V-band apparent magnitude | 10.84 | mag |
| K-band apparent magnitude | 9.59 | mag |
| Transit duration | 0.2185 ( 5.244 ) | day hour |
| Transit depth | 0.02 | % |
| Time of mid-transit | 2457593.20620 ± 0.00790 | HJD or BJD |
| Orbital period | 11.5418200 ± 0.0027200 | days |
| Reference for orbital ephemeris | 2018AJ....156...78L |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6570 +269 −171 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.03 +0.18 −0.19 | dex |
| Stellar mass | 1.290 +0.040 −0.060 | Msun |
| Stellar radius | 1.390 ± 0.030 | Rsun |
| Stellar logarithmic surface gravity | 4.260 +0.020 −0.030 | c.g.s. |
| Stellar mean density | 1.000 +0.300 −0.500 ( 1.41 +0.42 −0.71 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.10870 ± 0.00140 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.194 +0.012 −0.011 ( 2.17 +0.13 −0.12 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 1035 +36 −35 | K |
| Reference of detailed study | 2018AJ....156...78L |
K2-243b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)