This page summarises the information held within TEPCat for the transiting system Kepler-209b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2014ApJ...784...45R | |
| Date of discovery paper | 2014 / 3 / 20 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 19 24 40.69 | h m s |
| Declination | +42 38 26.9 | d m s |
| Right ascension (decimal) | 291.16954 | degrees |
| Declination (decimal) | 42.64081 | degrees |
| V-band apparent magnitude | 14.18 | mag |
| K-band apparent magnitude | 12.36 | mag |
| Transit duration | 0.1199 ( 2.878 ) | day hour |
| Transit depth | 0.06 | % |
| Time of mid-transit | 2455005.81339 ± 0.00137 | HJD or BJD |
| Orbital period | 16.087845 ± 0.000041 | days |
| Reference for orbital ephemeris | 2014ApJ...784...45R |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5513 ± 100 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | 0.04 ± 0.10 | dex |
| Stellar mass | 0.940 | Msun |
| Stellar radius | 0.935 ± 0.138 | Rsun |
| Stellar logarithmic surface gravity | 4.472 ± 0.150 | c.g.s. |
| Stellar mean density | 1.622 ± 0.457 ( 2.29 ± 0.64 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.202 ± 0.030 ( 2.26 ± 0.34 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2014ApJ...784...45R |
Kepler-209b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)