This page summarises the information held within TEPCat for the transiting planetary system K2-216. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2018A+A...618A..33P | |
| Date of discovery paper | 2018 / 5 / 13 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 00 45 55.26 | h m s |
| Declination | +06 20 49.1 | d m s |
| Right ascension (decimal) | 11.48025 | degrees |
| Declination (decimal) | 6.34697 | degrees |
| V-band apparent magnitude | 12.48 | mag |
| K-band apparent magnitude | 9.86 | mag |
| Transit duration | 0.0766 ( 1.838 ) | day hour |
| Transit depth | 0.06 | % |
| Time of mid-transit | 2457394.0417 ± 0.0009 | HJD or BJD |
| Orbital period | 2.17480 ± 0.00005 | days |
| Reference for orbital ephemeris | 2018A+A...618A..33P |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4503 ± 69 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.00 ± 0.07 | dex |
| Stellar mass | 0.70 ± 0.03 | Msun |
| Stellar radius | 0.72 ± 0.03 | Rsun |
| Stellar logarithmic surface gravity | 4.57 ± 0.09 | c.g.s. |
| Stellar mean density | 1.6 +0.6 −1.0 ( 2.26 +0.85 −1.41 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.028 +0.004 −0.007 | AU |
| Planetary mass | 0.023 ± 0.007 ( 7.3 ± 2.2 ) | Mjup Mearth |
| Planetary radius | 0.156 +0.015 −0.009 ( 1.75 +0.17 −0.10 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 5.7 +2.3 −2.2 ( 7.6 +3.1 −2.9 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1103 +180 −56 | K |
| Reference of detailed study | 2018A+A...618A..33P |
K2-216 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/11/22 John Southworth (Keele University, UK)