This page summarises the information held within TEPCat for the transiting system Kepler-1217b. 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 16 44.80 | h m s |
| Declination | +50 56 15.2 | d m s |
| Right ascension (decimal) | 289.18667 | degrees |
| Declination (decimal) | 50.93756 | degrees |
| V-band apparent magnitude | 15.43 | mag |
| K-band apparent magnitude | 13.81 | mag |
| Transit duration | 0.0698 ( 1.675 ) | day hour |
| Transit depth | 0.03 | % |
| Time of mid-transit | 2454965.32157 ± 0.00200 | HJD or BJD |
| Orbital period | 2.0323191 ± 0.0000053 | days |
| Reference for orbital ephemeris | 2016ApJ...822...86M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5905 +83 −104 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | 0.07 +0.14 −0.16 | dex |
| Stellar mass | 1.060 +0.070 −0.040 | Msun |
| Stellar radius | 1.080 +0.260 −0.100 | Rsun |
| Stellar logarithmic surface gravity | 4.400 +0.080 −0.160 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.167 +0.054 −0.018 ( 1.87 +0.61 −0.20 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 1542 | K |
| Reference of detailed study | 2016ApJ...822...86M |
Kepler-1217b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)