This page summarises the information held within TEPCat for the transiting planetary system Kepler-425. 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 21 25.93 | h m s |
| Declination | +40 34 03.9 | d m s |
| Right ascension (decimal) | 290.35804 | degrees |
| Declination (decimal) | 40.56775 | degrees |
| V-band apparent magnitude | 14.95 | mag |
| K-band apparent magnitude | 12.81 | mag |
| Transit duration | 0.0980 ( 2.352 ) | day hour |
| Transit depth | 1.5 | % |
| Time of mid-transit | 2454966.508785 ± 0.000039 | HJD or BJD |
| Orbital period | 3.79701816 ± 0.00000019 | days |
| Reference for orbital ephemeris | 2014A+A...572A..93H |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5170 ± 70 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.24 ± 0.11 | dex |
| Stellar mass | 0.93 ± 0.05 | Msun |
| Stellar radius | 0.86 ± 0.02 | Rsun |
| Stellar logarithmic surface gravity | 4.535 ± 0.010 | c.g.s. |
| Stellar mean density | 1.026 ± 0.021 ( 1.448 ± 0.030 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.33 −0.0 | |
| Orbital semimajor axis | 0.0464 ± 0.0008 | AU |
| Planetary mass | 0.25 ± 0.08 ( 79 ± 25 ) | Mjup Mearth |
| Planetary radius | 0.978 ± 0.022 ( 10.96 ± 0.25 ) | 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 | 1070 ± 15 | K |
| Reference of detailed study | 2014A+A...572A..93H |
Kepler-425 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/04 John Southworth (Keele University, UK)