This page summarises the information held within TEPCat for the transiting system Kepler-921b. 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 | 18 58 27.89 | h m s |
| Declination | +49 11 26.9 | d m s |
| Right ascension (decimal) | 284.61621 | degrees |
| Declination (decimal) | 49.19081 | degrees |
| V-band apparent magnitude | 14.87 | mag |
| K-band apparent magnitude | 13.19 | mag |
| Transit duration | 0.2233 ( 5.359 ) | day hour |
| Transit depth | 0.05 | % |
| Time of mid-transit | 2454986.52571 ± 0.01000 | HJD or BJD |
| Orbital period | 51.3011844 ± 0.0006021 | days |
| Reference for orbital ephemeris | 2016ApJ...822...86M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5663 +70 −62 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.12 +0.16 −0.20 | dex |
| Stellar mass | 0.930 ± 0.050 | Msun |
| Stellar radius | 0.910 +0.100 −0.070 | Rsun |
| Stellar logarithmic surface gravity | 4.500 +0.050 −0.110 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.185 +0.058 −0.015 ( 2.07 +0.65 −0.17 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 492 | K |
| Reference of detailed study | 2016ApJ...822...86M |
Kepler-921b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)