This page summarises the information held within TEPCat for the transiting planetary system K2-102. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2017AJ....153...64M | |
| Date of discovery paper | 2016 / 9 / 6 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 08 40 13.45 | h m s |
| Declination | +19 46 43.7 | d m s |
| Right ascension (decimal) | 130.05604 | degrees |
| Declination (decimal) | 19.77881 | degrees |
| V-band apparent magnitude | 13.20 | mag |
| K-band apparent magnitude | 10.64 | mag |
| Transit duration | 0.112 ( 2.69 ) | day hour |
| Transit depth | 0.03 | % |
| Time of mid-transit | 2457139.65488 ± 0.00539 | HJD or BJD |
| Orbital period | 9.9157 ± 0.0012 | days |
| Reference for orbital ephemeris | 2017AJ....153...64M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4695 ± 50 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.14 ± 0.04 | dex |
| Stellar mass | 0.77 ± 0.06 | Msun |
| Stellar radius | 0.71 ± 0.03 | Rsun |
| Stellar logarithmic surface gravity | c.g.s. | |
| Stellar mean density | 2.14 +0.31 −0.27 ( 3.02 +0.44 −0.38 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.12 ± 0.01 ( 1.35 ± 0.11 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2017AJ....153...64M |
K2-102 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/02/12 John Southworth (Keele University, UK)