This page summarises the information held within TEPCat for the transiting planetary system Kepler-422. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2014ApJ...795..151E | |
| Date of discovery paper | 2014 / 9 / 30 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 18 50 31.12 | h m s |
| Declination | +46 19 24.1 | d m s |
| Right ascension (decimal) | 282.62967 | degrees |
| Declination (decimal) | 46.32336 | degrees |
| V-band apparent magnitude | 13.55 | mag |
| K-band apparent magnitude | 12.04 | mag |
| Transit duration | 0.1581 ( 3.794 ) | day hour |
| Transit depth | 1.1 | % |
| Time of mid-transit | 2455010.25005 ± 0.00010 | HJD or BJD |
| Orbital period | 7.8914483 ± 0.0000005 | days |
| Reference for orbital ephemeris | 2014ApJ...795..151E |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5972 ± 84 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.23 ± 0.09 | dex |
| Stellar mass | 1.15 ± 0.06 | Msun |
| Stellar radius | 1.24 ± 0.12 | Rsun |
| Stellar logarithmic surface gravity | 4.31 ± 0.073 | c.g.s. |
| Stellar mean density | 0.61 ± 0.16 ( 0.86 ± 0.23 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.082 +0.011 −0.010 | AU |
| Planetary mass | 0.43 ± 0.13 ( 136 ± 41 ) | Mjup Mearth |
| Planetary radius | 1.15 ± 0.11 ( 12.9 ± 1.2 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.29 ± 0.08 ( 0.38 ± 0.11 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2014ApJ...795..151E |
Kepler-422 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/11/11 John Southworth (Keele University, UK)