This page summarises the information held within TEPCat for the transiting planetary system Kepler-87c. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2014A+A...561A.103O | |
| Date of discovery paper | 2013 / 10 / 9 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 19 51 40.05 | h m s |
| Declination | +46 57 54.5 | d m s |
| Right ascension (decimal) | 297.91688 | degrees |
| Declination (decimal) | 46.96514 | degrees |
| V-band apparent magnitude | 14.78 | mag |
| K-band apparent magnitude | 12.98 | mag |
| Transit duration | 0.697 ( 16.73 ) | day hour |
| Transit depth | 0.12 | % |
| Time of mid-transit | 2455119.2500 ± 0.0064 | HJD or BJD |
| Orbital period | 191.2318 ± 0.0015 | days |
| Reference for orbital ephemeris | 2014A+A...561A.103O |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5600 ± 50 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.17 ± 0.03 | dex |
| Stellar mass | 1.1 ± 0.05 | Msun |
| Stellar radius | 1.82 ± 0.04 | Rsun |
| Stellar logarithmic surface gravity | 3.96 ± 0.02 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.039 ± 0.012 | |
| Orbital semimajor axis | 0.676 +0.037 −0.040 | AU |
| Planetary mass | 0.0201 ± 0.0025 ( 6.39 ± 0.79 ) | Mjup Mearth |
| Planetary radius | 0.548 ± 0.026 ( 6.14 ± 0.29 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.115 ± 0.014 ( 0.153 ± 0.019 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 403 ± 4 | K |
| Reference of detailed study | 2014A+A...561A.103O |
Kepler-87c does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)