Localisation of a long-duration gravitational wave signal in time

Spinning neutron stars are sources of continuous gravitational waves that may be detected by interferometric detectors. We propose a method for localising a long-duration signal (longer than a few hours) when the start time and duration of the signal are unknown. We show how the uncertainties in the time-localization of the signal reflect on signal-to-noise ratio (SNR) of the recovered signal.