This page summarises the information held within TEPCat for the transiting system Kepler-157d. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2016ApJ...822...86M | |
| Date of discovery paper | 2016 / 5 / 10 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 19 24 23.33 | h m s |
| Declination | +38 52 32.2 | d m s |
| Right ascension (decimal) | 291.09721 | degrees |
| Declination (decimal) | 38.87561 | degrees |
| V-band apparent magnitude | 14.15 | mag |
| K-band apparent magnitude | 12.57 | mag |
| Transit duration | 0.0935 ( 2.244 ) | day hour |
| Transit depth | 0.02 | % |
| Time of mid-transit | 2454966.62713 ± 0.00300 | HJD or BJD |
| Orbital period | 7.0257409 ± 0.0000235 | days |
| Reference for orbital ephemeris | 2016ApJ...822...86M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5866 +81 −62 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.01 +0.10 −0.11 | dex |
| Stellar mass | 1.020 +0.040 −0.050 | Msun |
| Stellar radius | 1.030 +0.100 −0.070 | Rsun |
| Stellar logarithmic surface gravity | 4.420 +0.060 −0.080 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.139 +0.021 −0.016 ( 1.56 +0.24 −0.18 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 969 | K |
| Reference of detailed study | 2016ApJ...822...86M |
Kepler-157d does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)