This page summarises the information held within TEPCat for the transiting planetary system Kepler-57c. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2013ApJS..208...22X | |
| Date of discovery paper | 2012 / 8 / 17 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 19 34 33.91 | h m s |
| Declination | +44 39 25.3 | d m s |
| Right ascension (decimal) | 293.64129 | degrees |
| Declination (decimal) | 44.65703 | degrees |
| V-band apparent magnitude | 15.01 | mag |
| K-band apparent magnitude | 12.89 | mag |
| Transit duration | 0.0720 ( 1.728 ) | day hour |
| Transit depth | 0.06 | % |
| Time of mid-transit | 2454966.99407 ± 0.00162 | HJD or BJD |
| Orbital period | 11.609074 ± 0.000031 | days |
| Reference for orbital ephemeris | 2014ApJ...784...45R |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5188 ± 91 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.04 ± 0.50 | dex |
| Stellar mass | 0.859 ± 0.049 | Msun |
| Stellar radius | 0.826 ± 0.019 | Rsun |
| Stellar logarithmic surface gravity | 4.60 ± 0.30 | c.g.s. |
| Stellar mean density | 1.51 ± 0.15 ( 2.13 ± 0.21 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0725 +0.0070 −0.0062 | |
| Orbital semimajor axis | AU | |
| Planetary mass | 0.0216 +0.0048 −0.0045 ( 6.9 +1.5 −1.4 ) | Mjup Mearth |
| Planetary radius | 0.1959 +0.0060 −0.0058 ( 2.196 +0.067 −0.065 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2023A+A...669A.117L |
Kepler-57c does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/24 John Southworth (Keele University, UK)