This page summarises the information held within TEPCat for the transiting planetary system K2-107. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2017AJ....153..130E | |
| Date of discovery paper | 2016 / 11 / 14 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 18 59 56.49 | h m s |
| Declination | −22 17 36.3 | d m s |
| Right ascension (decimal) | 284.98537 | degrees |
| Declination (decimal) | -22.29342 | degrees |
| V-band apparent magnitude | 12.92 | mag |
| K-band apparent magnitude | 11.21 | mag |
| Transit duration | 0.133 ( 3.19 ) | day hour |
| Transit depth | 0.66 | % |
| Time of mid-transit | 2457304.5244 ± 0.0002 | HJD or BJD |
| Orbital period | 3.31392 ± 0.00002 | days |
| Reference for orbital ephemeris | 2017AJ....153..130E |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6030 ± 120 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.10 ± 0.10 | dex |
| Stellar mass | 1.30 ± 0.14 | Msun |
| Stellar radius | 1.78 ± 0.16 | Rsun |
| Stellar logarithmic surface gravity | 4.05 ± 0.07 | c.g.s. |
| Stellar mean density | 0.23 ± 0.04 ( 0.325 ± 0.056 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.21 −0.0 | |
| Orbital semimajor axis | 0.048 ± 0.005 | AU |
| Planetary mass | 0.84 ± 0.08 ( 267 ± 25 ) | Mjup Mearth |
| Planetary radius | 1.44 ± 0.15 ( 16.1 ± 1.7 ) | Rjup Rearth |
| Planetary surface gravity | 10.0 +1.7 −1.5 3.00 +0.07 −0.07 | m/s2 log(cgs) |
| Planetary mean density | 0.26 ± 0.08 ( 0.34 ± 0.11 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1780 ± 90 | K |
| Reference of detailed study | 2017AJ....153..130E |
K2-107 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)