Results 71 to 80 of about 54,710 (141)

Mass-loading of bow shock pulsar wind nebulae [PDF]

, 2015
We investigate the dynamics of bow shock nebulae created by pulsars moving supersonically through a partially ionized interstellar medium. A fraction of interstellar neutral hydrogen atoms penetrating into the tail region of a pulsar wind will undergo ...
Lyutikov, M., Morlino, G., Vorster, M.
core   +2 more sources

Modelling the evolution of pulsar wind nebulae

Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie, 2013
Using numerical models, the influence of factors such as agnetic field strength on the evolution of pulsar wind ebulae can be determined. This includes the morphological evolution as well as the evolution of the type of light emitted and the corresponding intensity.
openaire   +4 more sources

A Key to Pulsar Wind Bubble Morphologies: HD simulations [PDF]

arXiv, 2003
We present a model of a pulsar-driven supernova remnant, by using a hydrodynamics code, which simulates the evolution of a pulsar wind nebula when the pulsar is moving at a high velocity through its expanding supernova remnant. The simulation shows four different stages of the pulsar wind nebula: the supersonic expansion stage, the reverse shock ...
arxiv  

HESS J1632-478: an energetic relic [PDF]

, 2010
HESS J1632-478 is an extended and still unidentified TeV source in the galactic plane. In order to identify the source of the very high energy emission and to constrain its spectral energy distribution, we used a deep observation of the field obtained ...
Balbo, M., Pavan, L., Pohl, M., Saouter, P., Tramacere, A., Walter, R., Zurita-Heras, J. -A.   +6 more
core   +4 more sources

MHD models of Pulsar Wind Nebulae [PDF]

, 2010
Pulsar Wind Nebulae (PWNe) are bubbles or relativistic plasma that form when the pulsar wind is confined by the SNR or the ISM. Recent observations have shown a richness of emission features that has driven a renewed interest in the theoretical modeling of these objects.
openaire   +3 more sources

Chandra Confirmation of a Pulsar Wind Nebula in DA 495

, 2008
As part of a multiwavelength study of the unusual radio supernova remnant DA 495, we present observations made with the Chandra X-ray Observatory. Imaging and spectroscopic analysis confirms the previously detected X-ray source at the heart of the ...
F. Camilo, Fruscione A., Gotthelf E. V., Hester J. J., Kothes R., R. Kothes, S. Safi‐Harb, T. L. Landecker, Z. Arzoumanian, Zavlin V. E.   +9 more
core   +1 more source

The Vela Pulsar and its Synchrotron Nebula

, 2001
(Abridged) We present high-resolution Chandra X-ray observations of PSR B0833-45, the 89 ms pulsar associated with the Vela supernova remnant. We have acquired two observations separated by one month to search for changes in the pulsar and its ...
Alpar A., Arons J., Aschenbach B., Bailes M., Caraveo P. A., D. J. Helfand, DeLuca A., E. V. Gotthelf, Gurkan M. A., J. P. Halpern, Kennel C. F., Leahy D. A., Lu F. J., Lyne A. G., Manchester R. N., Markwardt C. B., Milne D. K., Radhakrishnan V., Rees M. J., Reichley P. E.   +19 more
core   +1 more source

Lepton Acceleration in Pulsar Wind Nebulae [PDF]

, 2010
Pulsar Wind Nebulae (PWNe) act as calorimeters for the relativistic pair winds emanating from within the pulsar light cylinder. Their radiative dissipation in various wavebands is significantly different from that of their pulsar central engines: the broadband spectra of PWNe possess characteristics distinct from those of pulsars, thereby demanding a ...
openaire   +3 more sources

LHAASO and Galactic cosmic rays. [PDF]

Innovation (Camb), 2022
Yang R.
europepmc   +1 more source

A high-sigma model of pulsar wind nebulae [PDF]

Monthly Notices of the Royal Astronomical Society, 2010
18 pages, 2 figures, submitted to ...
openaire   +3 more sources