The Band-Sampled-Data collection for the search of continuous gravitational wave signals

摘要

The detection of gravitational wave signals in the LIGO and Virgo interferometric detector data, is possible thanks to the application and development of several data analysis techniques and to the improvement in the detector sensitivity. A particular type of signal, still undetected by the LIGO-Virgo collaboration, is the so-called continuous wave signal (CW). A CW signal is a quasi-monochromatic signal, deeply buried in the data and modulated by several physical effects. In order to extract the signal from the detector noisy data, several data handling and manipulations should be performed. In particular this type of gravitational wave is recovered using techniques from Fourier analysis and phase demodulations. In this work we will present a new data framework called Band-Sampled-Data (BSD) collection developed for all the searches of CW signals, and the main features of the data used in this context will be described.