This page summarises the information held within TEPCat for the transiting system K2-248b. 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 11 16.13 | h m s |
| Declination | −09 24 50.4 | d m s |
| Right ascension (decimal) | 182.81721 | degrees |
| Declination (decimal) | -9.41400 | degrees |
| V-band apparent magnitude | 13.12 | mag |
| K-band apparent magnitude | 11.64 | mag |
| Transit duration | 0.1398 ( 3.355 ) | day hour |
| Transit depth | 0.07 | % |
| Time of mid-transit | 2457588.10420 ± 0.00720 | HJD or BJD |
| Orbital period | 7.1725600 ± 0.0014800 | days |
| Reference for orbital ephemeris | 2018AJ....156...78L |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5528 +97 −86 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.10 ± 0.04 | dex |
| Stellar mass | 0.880 +0.040 −0.030 | Msun |
| Stellar radius | 0.920 ± 0.020 | Rsun |
| Stellar logarithmic surface gravity | 4.450 ± 0.030 | c.g.s. |
| Stellar mean density | 1.100 +0.400 −0.600 ( 1.55 +0.56 −0.85 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.06990 ± 0.00100 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.229 +0.018 −0.012 ( 2.57 +0.20 −0.13 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 886 +19 −18 | K |
| Reference of detailed study | 2018AJ....156...78L |
K2-248b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)