---
author:
- 'P. F. L. Maxted'
- 'R. J. Hutcheon'
bibliography:
- 'mybib.bib'
date: Dates to be inserted
title: 'Discovery and characterisation of long-period eclipsing binary stars from Kepler K2 campaigns 1, 2 and 3[^1],[^2]'
---

[The Kepler K2 mission now makes it possible to find and study a wider variety of eclipsing binary stars than has been possible to-date, particularly long-period systems with narrow eclipses.]{} [Our aim is to characterise eclipsing binary stars observed by the Kepler K2 mission with orbital periods longer than $P\approx 5.5$ days. ]{} [ The `ellc` binary star model has been used to determine the geometry of eclipsing binary systems in Kepler K2 campaigns 1, 2 and 3. The nature of the stars in each binary is estimated by comparison to stellar evolution tracks in the effective temperature – mean stellar density plane. ]{} [43 eclipsing binary systems have been identified and 40 of these are characterised in some detail. The majority of these systems are found to be late-type dwarf and sub-giant stars with masses in the range 0.6–1.4 solar masses. We identify two eclipsing binaries containing red giant stars, including one bright system with total eclipses that is ideal for detailed 