منابع مشابه
Long-Term Precision Timing of 1RXS 1708−4009: Smooth Spin-down with Occasional Glitches
We report on 5.4 yr of phase-coherent timing, using the Rossi X-ray Timing Explorer, of the X-ray pulsar 1RXS 1708−4009, a member of the class known as “anomalous X-ray pulsars.” The pulsar is an extremely stable rotator, exhibiting RMS deviations from a simple spin-down model of <2% of the pulse period over the entire data span. The spin-down model includes a period and period derivative, as w...
متن کاملCMOS Open-Fault Detection in the Presence of Glitches and Timing Skews
Ahsfracf -Two-pattern or multipattern test sequences may fail to detect CMOS stuck-open faults in the presence of glitches. The available methods to augment CMOS gates for testing stuck-open faults are found to be inadequate in the presence of glitches. A new testable CMOS design technique is presented. Some extra transistors are used in such a way that the CMOS gate is converted to a pseudo nM...
متن کاملTiming noise , glitches and the braking index of PSR B 0540 − 69
We report a pulse-time history of PSR B0540−69 based on the analysis of an extended Data set including ASCA, BeppoSAX and RXTE observations spanning a time interval of about 8 years. This interval includes also the epoch of the glitch episode reported by Zhang et al. (2001). Our analysis shows the presence of a relevant timing noise and does not give a clear evidence of the glitch occurrence. W...
متن کاملGlitches in slow pulsars
We have analyzed 5.5 years of timing observations of 7 “slowly” rotating radio pulsars, made with the Westerbork Synthesis Radio Telescope. We present improved timing solutions and 30, mostly small, new glitches. Particularly interesting are our results on PSR J1814−1744, which is one of the pulsars with similar rotation parameters and magnetic field strength to the Anomalous X-ray Pulsars (AXP...
متن کاملGlitches in Southern Pulsars
Timing observations of 40 mostly young pulsars using the ATNF Parkes radio telescope between 1990 January and 1998 December are reported. In total, 20 previously unreported glitches and ten other glitches were detected in 11 pulsars. These included 12 glitches in PSR J1341−6220, corresponding to a glitch rate of 1.5 glitches per year. We also detected the largest known glitch, in PSR J1614−5047...
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ژورنال
عنوان ژورنال: Nature
سال: 2012
ISSN: 0028-0836,1476-4687
DOI: 10.1038/483017a