This page summarises the information held within TEPCat for the transiting planetary system Kepler-117c. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2014ApJ...784...45R | |
| Date of discovery paper | 2014 / 3 / 20 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 19 15 10.33 | h m s |
| Declination | +48 02 24.8 | d m s |
| Right ascension (decimal) | 288.79304 | degrees |
| Declination (decimal) | 48.04022 | degrees |
| V-band apparent magnitude | 14.48 | mag |
| K-band apparent magnitude | 13.01 | mag |
| Transit duration | 0.4535 ( 10.884 ) | day hour |
| Transit depth | 0.57 | % |
| Time of mid-transit | 2454968.63205 ± 0.00025 | HJD or BJD |
| Orbital period | 50.790391 ± 0.000014 | days |
| Reference for orbital ephemeris | 2015A+A...573A.124B |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6150 ± 110 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.04 ± 0.10 | dex |
| Stellar mass | 1.129 +0.013 −0.023 | Msun |
| Stellar radius | 1.606 ± 0.049 | Rsun |
| Stellar logarithmic surface gravity | 4.102 ± 0.029 | c.g.s. |
| Stellar mean density | 0.291 +0.010 −0.018 ( 0.411 +0.014 −0.025 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0323 ± 0.0033 | |
| Orbital semimajor axis | 0.2804 +0.0092 −0.0028 | AU |
| Planetary mass | 1.84 ± 0.18 ( 584 ± 57 ) | Mjup Mearth |
| Planetary radius | 1.101 ± 0.035 ( 12.34 ± 0.39 ) | Rjup Rearth |
| Planetary surface gravity | 37.5 +3.7 −3.4 3.57 +0.04 −0.04 | m/s2 log(cgs) |
| Planetary mean density | 1.31 ± 0.14 ( 1.74 ± 0.19 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 704 ± 15 | K |
| Reference of detailed study | 2015A+A...573A.124B |
Kepler-117c does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/04 John Southworth (Keele University, UK)