This page summarises the information held within TEPCat for the transiting system K2-216b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2018AJ....156..277L | |
| Date of discovery paper | 2018 / 10 / 10 | 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 | 11.82 | mag |
| K-band apparent magnitude | 9.72 | mag |
| Transit duration | 0.0746 ( 1.790 ) | day hour |
| Transit depth | 0.05 | % |
| Time of mid-transit | 2457394.04235 ± 0.00157 | HJD or BJD |
| Orbital period | 2.1747820 ± 0.0000720 | days |
| Reference for orbital ephemeris | 2018AJ....156..277L |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4658 ± 56 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.06 ± 0.05 | dex |
| Stellar mass | 0.740 ± 0.020 | Msun |
| Stellar radius | 0.690 ± 0.010 | Rsun |
| Stellar logarithmic surface gravity | 4.630 ± 0.010 | c.g.s. |
| Stellar mean density | 1.837 +0.821 −0.632 ( 2.59 +1.16 −0.89 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.02980 +0.00020 −0.00030 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.145 ± 0.008 ( 1.625 ± 0.090 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 992 ± 14 | K |
| Reference of detailed study | 2018AJ....156..277L |
K2-216b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)