Causal Relationship between Drifting Subpulse Parameters and Some Pulsar Quantities
نویسندگان
چکیده
منابع مشابه
Pulsar “drifting”-subpulse polarization: No evidence for systematic polarization-angle rotations
Polarization-angle density displays are given for pulsars B0809+74 and B2303+30, which exhibit no evidence of the systematic polarization-angle rotation within individual subpulses previously reported for these two stars. The “drifting” subpulses of both pulsars exhibit strikingly linear and circular polarization which appears to reflect the characteristics of two nearly orthogonally polarized ...
متن کاملThe frequency-dependence of drifting subpulse patterns
Drifting subpulse patterns in pulsar signals are frequently interpreted in terms of a model in which a rotating ring of sparks on the polar cap gives rise to emission from regions of the magnetsophere connected to the sparks by dipolar magnetic field lines. The spacing of drift-bands in time depends on the circulation rate of the polar cap pattern, but to first order the longitudinal phase depe...
متن کاملStatistics of the drifting subpulse phenomenon
We present the statistical results of a systematic, unbiased search for subpulse modulation of 187 pulsars performed with the Westerbork Synthesis Radio Telescope (WSRT) in the Netherlands at an observing wavelength of 21 cm (Weltevrede et al. 2006). We have increased the list of pulsars that show the drifting subpulse phenomenon by 42, indicating that more than 55% of the pulsars that show thi...
متن کاملDrifting subpulse survey at 21 cm
We present the statistical results of a systematic, unbiased search for subpulse modulation of 187 pulsars performed with the Westerbork Synthesis Radio Telescope (WSRT) in the Netherlands at an observing wavelength of 21 cm (Weltevrede et al. 2006a). We have increased the list of pulsars that show the drifting subpulse phenomenon by 42, indicating that more than 55% of the pulsars that show th...
متن کاملPolarised views of the drifting subpulse phenomenon
I review recent results concerning the shape of drifting subpulse patterns, and the relationship to model predictions. While a variety of theoretical models exist for drifting subpulses, observers typically think in terms of a spatiotemporal model of circulating beamlets. Assuming the model is correct, geometric parameters have been inferred and animated “maps” of the beam have been made. Howev...
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ژورنال
عنوان ژورنال: International Astronomical Union Colloquium
سال: 1992
ISSN: 0252-9211
DOI: 10.1017/s0002731600155362