This page summarises the information held within TEPCat for the transiting planetary system K2-237. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:1801.07959 | |
| Date of discovery paper | 2018 / 1 / 25 | y / m / d |
| Right ascension | 16 55 04.53 | h m s |
| Declination | −28 42 38.0 | d m s |
| V-band apparent magnitude | 11.60 | mag |
| K-band apparent magnitude | 10.22 | mag |
| Transit duration | 0.1260 ( 3.024 ) | day hour |
| Transit depth | 1.5 | % |
| Time of mid-transit | 2457782.93422 ± 0.00014 | HJD or BJD |
| Orbital period | 2.1805358 ± 0.0000010 | days |
| Reference for orbital ephemeris | arXiv:2005.01684 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6099 ± 110 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.00 ± 0.08 | dex |
| Stellar mass | 1.22 +0.53 −0.05 | Msun |
| Stellar radius | 1.34 ± 0.03 | Rsun |
| Stellar logarithmic surface gravity | 4.24 ± 0.10 | c.g.s. |
| Stellar mean density | 0.102 +0.012 −0.010 ( 0.144 +0.017 −0.014 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.0352 ± 0.0010 | AU |
| Planetary mass | 1.231 ± 0.043 ( 391 ± 13 ) | Mjup Mearth |
| Planetary radius | 1.570 ± 0.054 ( 17.60 ± 0.61 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.318 ± 0.035 ( 0.422 ± 0.046 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1817 ± 36 | K |
| Reference of detailed study | arXiv:1807.05865 |
K2-237 does not have an entry in the catalogue of orbital obliquity measurements.
K2-237 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.
Page generated on 2021/01/04 John Southworth (Keele University, UK)