This page summarises the information held within TEPCat for the transiting planetary system Kepler-447. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2015A+A...577A.105L | |
| Date of discovery paper | 2015 / 2 / 12 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 19 01 04.46 | h m s |
| Declination | +48 33 36.0 | d m s |
| Right ascension (decimal) | 285.26858 | degrees |
| Declination (decimal) | 48.56000 | degrees |
| V-band apparent magnitude | 12.56 | mag |
| K-band apparent magnitude | 10.81 | mag |
| Transit duration | 0.0473 ( 1.135 ) | day hour |
| Transit depth | 0.32 | % |
| Time of mid-transit | 2454970.2605 ± 0.0002 | HJD or BJD |
| Orbital period | 7.794301 ± 0.000002 | days |
| Reference for orbital ephemeris | 2014ApJS..210...19B |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5943 ± 62 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.07 ± 0.05 | dex |
| Stellar mass | 1.00 ± 0.07 | Msun |
| Stellar radius | 1.03 ± 0.05 | Rsun |
| Stellar logarithmic surface gravity | 4.40 ± 0.03 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.123 ± 0.012 | |
| Orbital semimajor axis | 0.0769 +0.0021 −0.0026 | AU |
| Planetary mass | 1.37 +0.16 −0.15 ( 435 +50 −47 ) | Mjup Mearth |
| Planetary radius | 1.65 +0.20 −0.19 ( 18.5 + 2.2 − 2.1 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.30 +0.24 −0.08 ( 0.40 +0.32 −0.11 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2015A+A...577A.105L |
Kepler-447 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/24 John Southworth (Keele University, UK)