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PSR 2303+30: A single system of drifting subpulses, moding and nulling | | Stephen L. Redman
; Geoffrey A.E. Wright
; Joanna M. Rankin
; | | Date: |
27 Jul 2004 | | Journal: | Mon.Not.Roy.Astron.Soc. 357 (2005) 859-872 | | Subject: | astro-ph | | Affiliation: | 1,2), Joanna M. Rankin (1. University of Vermont 2. University of Sussex | | Abstract: | Analyses of multiple pulse sequences of B2303+30 reveal that this pulsar has two distinct emission modes. One mode (B) follows a steady even-odd pattern and is more intense. The second mode (Q) is characteristically weak, but has intermittent driftbands with a periodicity of approximately 3 P/cycles, and nulls much more frequently than the B mode. Both modes occur with roughly equal frequency and their profiles have a similar single-humped form with a slight asymmetry. Our observations and analyses strongly suggest that the subpulse driftrates in both modes are linked in a series of cycles, which can be modelled as relaxing oscillations in the underlying circulation rate. | | Source: | arXiv, astro-ph/0407540 | | Services: | Forum | Review | PDF | Favorites | |
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