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 | 2018MNRAS.478.5356S | |
| Date of discovery paper | 2018 / 1 / 25 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 16 55 04.53 | h m s |
| Declination | −28 42 38.0 | d m s |
| Right ascension (decimal) | 253.76888 | degrees |
| Declination (decimal) | -28.71056 | degrees |
| 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 | 2457706.61618 ± 0.00003 | HJD or BJD |
| Orbital period | 2.18053332 ± 0.00000054 | days |
| Reference for orbital ephemeris | 2023AJ....165..155T |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6099 ± 110 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.00 ± 0.08 | dex |
| Stellar mass | 1.23 ± 0.05 | Msun |
| Stellar radius | 1.38 ± 0.04 | Rsun |
| Stellar logarithmic surface gravity | 4.27 ± 0.12 | c.g.s. |
| Stellar mean density | 0.470 ± 0.028 ( 0.663 ± 0.040 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.0352 ± 0.0010 | AU |
| Planetary mass | 1.236 ± 0.044 ( 392 ± 13 ) | Mjup Mearth |
| Planetary radius | 1.642 ± 0.050 ( 18.41 ± 0.56 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.279 ± 0.027 ( 0.370 ± 0.036 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1838 ± 38 | K |
| Reference of detailed study | 2019AcA....69..135S |
K2-237 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/11/22 John Southworth (Keele University, UK)