SIMBAD references

2011MNRAS.412.2678N - Mon. Not. R. Astron. Soc., 412, 2678-2684 (2011/April-3)

Hurst parameter analysis of radio pulsar timing residuals.

NA X.S., WANG N., YUAN J.P., LIU Z.Y., ESAMDIN A., PAN J. and XU R.X.

Abstract (from CDS):

We analyse the timing residuals for 50 pulsars observed using the Nanshan 25-m radio telescope at Urumqi Observatory by determining the Hurst parameter for each data set using the rescaled range method. These pulsars have been observed over a time span of 5-8 yr and have been selected to have timing residuals that resemble white noise rather than smooth curves. The results are compared with those for shuffled residual series. Despite the noise-like appearance, some timing residual series showed Hurst parameters that deviated significantly from the shuffled series. We conclude that Hurst parameter analysis is capable of detecting long-term memory in timing residuals.

Abstract Copyright: 2011 The Authors Monthly Notices of the Royal Astronomical Society2011 RAS

Journal keyword(s): methods: statistical - pulsars: general

Simbad objects: 51

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