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Shocks and Wind Bubbles Around Energetic Pulsars

Published online by Cambridge University Press:  19 July 2016

Bryan M. Gaensler
Bryan M. Gaensler*
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden Street MS-6, Cambridge MA 02138, USA

Abstract

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The Crab Nebula demonstrates that neutron stars can interact with their environments in spectacular fashion, their relativistic winds generating nebulae observable across the electromagnetic spectrum. At many previous conferences, astronomers have discussed, debated and puzzled over the complicated structures seen in the Crab, but have been limited to treating most other pulsar wind nebulae (PWNe) as simple calorimeters for a pulsar's spin-down energy. However, with the wealth of high-quality data which have now become available, this situation has changed dramatically. I here review some of the main observational themes which have emerged from these new measurements. Highlights include the ubiquity of pulsar termination shocks, the unambiguous presence of relativistic jets in PWNe, complicated time variability seen in PWN structures, and the use of bow shocks to probe the interaction of pulsar winds with the ambient medium.

Type
Part 4: Pulsar Wind Nebulae and Their Environments
Information
Symposium - International Astronomical Union , Volume 218: Young Neutrons Stars and their Environments , 2004 , pp. 151 - 158
Copyright
Copyright © Astronomical Society of the Pacific 2004 

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