This page summarises the information held within TEPCat for the transiting planetary system Kepler-426. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2014A+A...572A..93H | |
| Date of discovery paper | 2014 / 10 / 1 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 19 17 44.31 | h m s |
| Declination | +49 28 24.2 | d m s |
| Right ascension (decimal) | 289.43463 | degrees |
| Declination (decimal) | 49.47339 | degrees |
| V-band apparent magnitude | 14.99 | mag |
| K-band apparent magnitude | 13.21 | mag |
| Transit duration | 0.0913 ( 2.191 ) | day hour |
| Transit depth | 1.4 | % |
| Time of mid-transit | 2454966.631964 ± 0.000047 | HJD or BJD |
| Orbital period | 3.21751883 ± 0.00000019 | days |
| Reference for orbital ephemeris | 2014A+A...572A..93H |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5725 ± 90 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.21 ± 0.08 | dex |
| Stellar mass | 0.91 ± 0.06 | Msun |
| Stellar radius | 0.92 ± 0.02 | Rsun |
| Stellar logarithmic surface gravity | 4.471 ± 0.011 | c.g.s. |
| Stellar mean density | 0.829 ± 0.016 ( 1.170 ± 0.023 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.18 −0.0 | |
| Orbital semimajor axis | 0.0414 ± 0.0010 | AU |
| Planetary mass | 0.34 ± 0.08 ( 108 ± 25 ) | Mjup Mearth |
| Planetary radius | 1.09 ± 0.03 ( 12.22 ± 0.34 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.20 ± 0.05 ( 0.265 ± 0.066 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1300 ± 20 | K |
| Reference of detailed study | 2014A+A...572A..93H |
Kepler-426 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/11/22 John Southworth (Keele University, UK)