This page summarises the information held within TEPCat for the transiting system Kepler-254b. 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 12 39.53 | h m s |
| Declination | +45 48 59.4 | d m s |
| Right ascension (decimal) | 288.16471 | degrees |
| Declination (decimal) | 45.81650 | degrees |
| V-band apparent magnitude | 16.02 | mag |
| K-band apparent magnitude | 14.25 | mag |
| Transit duration | 0.1263 ( 3.031 ) | day hour |
| Transit depth | 0.16 | % |
| Time of mid-transit | 2455006.01039 ± 0.00101 | HJD or BJD |
| Orbital period | 5.826662 ± 0.000010 | days |
| Reference for orbital ephemeris | 2014ApJ...784...45R |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5957 ± 200 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.19 ± 0.50 | dex |
| Stellar mass | 1.009 | Msun |
| Stellar radius | 0.910 ± 0.433 | Rsun |
| Stellar logarithmic surface gravity | 4.524 ± 0.300 | c.g.s. |
| Stellar mean density | 1.890 ± 0.581 ( 2.67 ± 0.82 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.345 ± 0.165 ( 3.9 ± 1.8 ) | 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-254b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)