Correlations between pulsed X-ray flux and radio arrival time in the Vela pulsar

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dc.creatorLommen, A. N.
dc.creatorDonovan, J.
dc.creatorGwinn, C.
dc.creatorArzoumanian, Z.
dc.creatorHarding, A.
dc.creatorStrickman, M.
dc.creatorDodson, R.
dc.creatorMcCulloch, P.
dc.creatorMoffett, D.
dc.date2007-01-04
dc.date.accessioned2026-07-07T07:38:27Z
dc.date.available2026-07-07T07:38:27Z
dc.descriptionWe report the results of simultaneous observations of the Vela pulsar in X-rays and radio from the RXTE satellite and the Mount Pleasant Radio Observatory in Tasmania. We sought correlations between the Vela's X-ray and radio flux densities and radio arrival times on a pulse by pulse basis. We found significantly higher flux density in Vela's main X-ray peak during radio pulses that arrived early. This excess flux shifts to the 'trough' following the 2nd X-ray peak during radio pulses that arrive later. We suggest that the mechanism producing the radio pulses is intimately connected to the mechanism producing X-rays. Current models using resonant absorption in the outer magnetosphere as a cause of the radio emission, and less directly of the X-ray emission, are explored as a possible explanation for the correlation.
dc.descriptionProceedings of the 363. WE-Heraeus Seminar on: Neutron Stars and Pulsars (Posters and contributed talks) Physikzentrum Bad Honnef, Germany, May.14-19, 2006, eds. W.Becker, H.H.Huang, MPE Report 291, pp.16-19
dc.identifierhttps://arxiv.org/abs/astro-ph/0701103
dc.identifierhttp://arxiv.org/abs/astro-ph/0701103
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/121087
dc.subjectAstrophysics
dc.titleCorrelations between pulsed X-ray flux and radio arrival time in the Vela pulsar
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