This page summarises the information held within TEPCat for the transiting system K2-15b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2015ApJ...809...25M | |
| Date of discovery paper | 2015 / 3 / 27 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 11 52 26.59 | h m s |
| Declination | +04 15 17.1 | d m s |
| Right ascension (decimal) | 178.11079 | degrees |
| Declination (decimal) | 4.25475 | degrees |
| V-band apparent magnitude | 14.66 | mag |
| K-band apparent magnitude | 12.49 | mag |
| Transit duration | 0.0 ( 0. ) | day hour |
| Transit depth | 0.12 | % |
| Time of mid-transit | 2456811.84920 ± 0.00810 | HJD or BJD |
| Orbital period | 11.81037 ± 0.00170 | days |
| Reference for orbital ephemeris | 2015ApJ...809...25M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5131 +69 −55 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.46 +0.20 −0.14 | dex |
| Stellar mass | 0.72 +0.06 −0.03 | Msun |
| Stellar radius | 0.68 +0.06 −0.03 | Rsun |
| Stellar logarithmic surface gravity | c.g.s. | |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.0910 ± 0.0018 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.221 ± 0.027 ( 2.48 ± 0.30 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 676 ± 26 | K |
| Reference of detailed study | 2015ApJ...809...25M |
K2-15b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)