This page summarises the information held within TEPCat for the transiting system K2-87. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2016ApJS..226....7C | |
| Date of discovery paper | 2016 / 7 / 19 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 04 24 56.69 | h m s |
| Declination | +18 49 38.7 | d m s |
| Right ascension (decimal) | 66.23621 | degrees |
| Declination (decimal) | 18.82742 | degrees |
| V-band apparent magnitude | 14.13 | mag |
| K-band apparent magnitude | 11.19 | mag |
| Transit duration | 0.177 ( 4.25 ) | day hour |
| Transit depth | 0.19 | % |
| Time of mid-transit | 2457072.30120 ± 0.00340 | HJD or BJD |
| Orbital period | 9.727390 ± 0.000870 | days |
| Reference for orbital ephemeris | 2016ApJS..226....7C |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5406 ± 168 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | dex | |
| Stellar mass | 0.947 ± 0.057 | Msun |
| Stellar radius | 0.930 ± 0.290 | Rsun |
| Stellar logarithmic surface gravity | 4.470 ± 0.180 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.088 ± 0.002 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.410 ± 0.133 ( 4.6 ± 1.5 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2016ApJS..226....7C |
K2-87 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)