This page summarises the information held within TEPCat for the transiting planetary system Kepler-278c. 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 20 25.72 | h m s |
| Declination | +38 42 08.0 | d m s |
| Right ascension (decimal) | 290.10717 | degrees |
| Declination (decimal) | 38.70222 | degrees |
| V-band apparent magnitude | 11.83 | mag |
| K-band apparent magnitude | 9.46 | mag |
| Transit duration | 0.4715 ( 11.316 ) | day hour |
| Transit depth | 0.01 | % |
| Time of mid-transit | 2454985.34892 ± 0.00953 | HJD or BJD |
| Orbital period | 51.078775 ± 0.000890 | days |
| Reference for orbital ephemeris | 2020A+A...634A..29J |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4965 ± 54 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.22 ± 0.04 | dex |
| Stellar mass | 1.227 ± 0.061 | Msun |
| Stellar radius | 2.861 +0.060 −0.066 | Rsun |
| Stellar logarithmic surface gravity | 3.58 ± 0.10 | c.g.s. |
| Stellar mean density | 0.052 ± 0.004 ( 0.0734 ± 0.0056 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.616 +0.015 −0.023 | |
| Orbital semimajor axis | 0.287 ± 0.007 | AU |
| Planetary mass | 0.11 +0.03 −0.07 ( 35.0 +9.5 −22.3 ) | Mjup Mearth |
| Planetary radius | 0.292 ± 0.006 ( 3.273 ± 0.067 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 4.1 +1.1 −2.4 ( 5.4 +1.5 −3.2 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 492 ± 16 | K |
| Reference of detailed study | 2020A+A...634A..29J |
Kepler-278c does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)