This page summarises the information held within TEPCat for the transiting planetary system Kepler-423. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2015A+A...576A..11G | |
| Date of discovery paper | 2014 / 9 / 30 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 19 31 25.38 | h m s |
| Declination | +46 23 28.2 | d m s |
| Right ascension (decimal) | 292.85575 | degrees |
| Declination (decimal) | 46.39117 | degrees |
| V-band apparent magnitude | 14.42 | mag |
| K-band apparent magnitude | 12.78 | mag |
| Transit duration | 0.1134 ( 2.722 ) | day hour |
| Transit depth | 1.8 | % |
| Time of mid-transit | 2454966.354810 ± 0.000021 | HJD or BJD |
| Orbital period | 2.68432850 ± 0.00000007 | days |
| Reference for orbital ephemeris | 2015A+A...576A..11G |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5560 ± 80 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.10 ± 0.05 | dex |
| Stellar mass | 0.85 ± 0.04 | Msun |
| Stellar radius | 0.95 ± 0.04 | Rsun |
| Stellar logarithmic surface gravity | 4.41 ± 0.04 | c.g.s. |
| Stellar mean density | 0.991 ± 0.068 ( 1.398 ± 0.096 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.019 +0.028 −0.014 | |
| Orbital semimajor axis | 0.03585 +0.00052 −0.00114 | AU |
| Planetary mass | 0.595 ± 0.081 ( 189 ± 25 ) | Mjup Mearth |
| Planetary radius | 1.192 ± 0.052 ( 13.36 ± 0.58 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.346 ± 0.063 ( 0.459 ± 0.084 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1605 ± 120 | K |
| Reference of detailed study | 2015A+A...576A..11G |
Kepler-423 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)