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Preprint 18/06

XMM-EPIC Timing Monitoring at ESAC

I. Caballero (1,2), A. Wellbrock (2,3) , D. Harbarth (2,4), M.G.F. Kirsch (2)

(1) Institut für Astronomie und Astrophysik, Abt. Astronomie, Sand 1, 72076 Tübingen, Germany
(2) ESA, European Space Astronomy Centre (ESAC), P.O.BOX 50727, 28080 Madrid, Spain
(3) Department of Physics, University of Warwick, Coventry, CV4 7AL, UK
(4) Eberhard Karls Universität Tübingen, Wilhelmstr. 7, 72074 Tübingen

ESA SP-604, 963 (2006)

Abstract. The EPIC-pn camera on board XMM-Newton provides a very high time resolution. In its Timing mode, EPIC-pn reaches a time resolution of 0.03 microsec and 7 microsec in the Burst mode. In order to monitor the relative timing accuracy, XMM-Newton performs two observations a year of the Crab pulsar. An automatic tool has been created to check the timing accuracy of EPIC-pn. It calculates the period of the Crab pulsar in the X-ray regime and compares it with the period obtained from radio data. Observations of pulsars PSRB0540-69, PSRB1509-58 and PSRB1055-52 have also been used in this analysis. We present first results of the timing accuracy from this analysis covering the whole XMM-Newton mission time till revolution 1000.
Key words: XMM-Newton; EPIC-pn; calibration; timing

Preprint (331 kb PDF file including figures)

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