This page summarises the information held within TEPCat for the transiting planetary system K2-240b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2018MNRAS.480L...1D | |
| Date of discovery paper | 2018 / 6 / 5 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 15 11 23.91 | h m s |
| Declination | −17 52 30.8 | d m s |
| Right ascension (decimal) | 227.84963 | degrees |
| Declination (decimal) | -17.87522 | degrees |
| V-band apparent magnitude | 13.39 | mag |
| K-band apparent magnitude | 9.56 | mag |
| Transit duration | 0.0897 ( 2.153 ) | day hour |
| Transit depth | 0.13 | % |
| Time of mid-transit | 2457996.825 ± -1 | HJD or BJD |
| Orbital period | 6.034 ± 0.001 | days |
| Reference for orbital ephemeris | 2018MNRAS.480L...1D |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3810 ± 17 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | dex | |
| Stellar mass | 0.58 ± 0.01 | Msun |
| Stellar radius | 0.54 ± 0.01 | Rsun |
| Stellar logarithmic surface gravity | 4.7 ± 0.1 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.178 +0.018 −0.009 ( 2.00 +0.20 −0.10 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 586 +24 −18 | K |
| Reference of detailed study | 2018MNRAS.480L...1D |
K2-240b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)