Time-varying spectral analysis of astronomical time series

Lorenzo Galleani; Leon Cohen; Douglas Nelson; Tomaso Belloni

doi:10.1117/12.728759

21 June 2007 Time-varying spectral analysis of astronomical time series

Lorenzo Galleani, Leon Cohen, Douglas Nelson, Tomaso Belloni

Proceedings Volume 6603, Noise and Fluctuations in Photonics, Quantum Optics, and Communications; 660315 (2007) https://doi.org/10.1117/12.728759
Event: SPIE Fourth International Symposium on Fluctuations and Noise, 2007, Florence, Italy

Abstract

We present a brief review of time-varying spectral analysis and we discuss the applicability of the methods to the case of x-ray bursts where it is known that there are time-varying frequency components. A preliminary analysis is done on x-ray burst the experimental data. Two methods are presented to estimat the instanteous frequency and both methods give approximately the same results.

Citation Download Citation

Lorenzo Galleani, Leon Cohen, Douglas Nelson, and Tomaso Belloni "Time-varying spectral analysis of astronomical time series", Proc. SPIE 6603, Noise and Fluctuations in Photonics, Quantum Optics, and Communications, 660315 (21 June 2007); https://doi.org/10.1117/12.728759

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