This page summarises the information held within TEPCat for the transiting planetary system Kepler-1656. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2018AJ....156..147B | |
| Date of discovery paper | 2018 / 9 / 25 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 18 57 53.32 | h m s |
| Declination | +39 54 42.5 | d m s |
| Right ascension (decimal) | 284.47217 | degrees |
| Declination (decimal) | 39.91181 | degrees |
| V-band apparent magnitude | 11.24 | mag |
| K-band apparent magnitude | 9.64 | mag |
| Transit duration | 0.11 ( 2.6 ) | day hour |
| Transit depth | 0.20 | % |
| Time of mid-transit | 2455010.206131 ± 0.000062 | HJD or BJD |
| Orbital period | 31.578659 ± 0.000007 | days |
| Reference for orbital ephemeris | 2014ApJS..210...19B |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5731 ± 60 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.19 ± 0.04 | dex |
| Stellar mass | 1.03 ± 0.04 | Msun |
| Stellar radius | 1.10 ± 0.13 | Rsun |
| Stellar logarithmic surface gravity | 4.37 ± 0.10 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.838 +0.045 −0.029 | |
| Orbital semimajor axis | 0.1974 ± 0.0026 | AU |
| Planetary mass | 0.150 +0.020 −0.010 ( 47.7 +6.4 −3.2 ) | Mjup Mearth |
| Planetary radius | 0.448 ± 0.047 ( 5.02 ± 0.53 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 1.61 +0.66 −0.43 ( 2.14 +0.88 −0.57 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 651 +51 −47 | K |
| Reference of detailed study | 2022AJ....163..227A |
| Reference | λ (degrees) |
|---|---|
| Rubenzahl et al. (2024) | 35 + 15 - 22 |
Page generated on 2025/01/01 John Southworth (Keele University, UK)