This page summarises the information held within TEPCat for the transiting planetary system K2-115. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2017AJ....154..188S | |
| Date of discovery paper | 2017 / 8 / 24 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 08 26 12.83 | h m s |
| Declination | +12 16 55.0 | d m s |
| Right ascension (decimal) | 126.55346 | degrees |
| Declination (decimal) | 12.28194 | degrees |
| V-band apparent magnitude | 13.34 | mag |
| K-band apparent magnitude | 11.72 | mag |
| Transit duration | 0.1679 ( 4.030 ) | day hour |
| Transit depth | 1.7 | % |
| Time of mid-transit | 2457522.07014 ± 0.00017 | HJD or BJD |
| Orbital period | 20.2729914 ± 0.0000050 | days |
| Reference for orbital ephemeris | 2023AJ....165..155T |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5544 ± 60 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.23 ± 0.04 | dex |
| Stellar mass | 0.831 +0.023 −0.019 | Msun |
| Stellar radius | 0.881 +0.049 −0.050 | Rsun |
| Stellar logarithmic surface gravity | 4.461 +0.057 −0.041 | c.g.s. |
| Stellar mean density | 1.01 +0.31 −0.20 ( 1.43 +0.44 −0.28 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.137 +0.072 −0.074 | |
| Orbital semimajor axis | 0.1367 +0.0012 −0.0010 | AU |
| Planetary mass | 0.84 +0.18 −0.20 ( 267 +57 −63 ) | Mjup Mearth |
| Planetary radius | 1.115 +0.057 −0.061 ( 12.50 + 0.64 − 0.68 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.62 +0.23 −0.18 ( 0.82 +0.31 −0.24 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 682 +22 −24 | K |
| Reference of detailed study | 2017AJ....154..188S |
K2-115 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/10 John Southworth (Keele University, UK)