The Boomerang: a crushed and re-born PWN?

DOIResolve DOI: http://doi.org/10.1017/S0074180900181008
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TypeArticle
Proceedings titleSymposium - International Astronomical Union
ConferenceYoung Neutron Stars and Their Environments, 218th Symposium of the International Astronomical Union held during the IAU General Assembly XXV, July 14-17, 2003, Sydney, Australia
Volume218
Pages213214
AbstractWe present new high radio frequency observations of the Boomerang pulsar wind nebula (PWN) made with the Effelsberg 100-m radio telescope. A comparison with low frequency data from the Canadian Galactic Plane Survey (CGPS; Taylor et al. 2003) reveals a change of the nebula's emission structure with frequency caused by a radial steepening of the radio spectrum above 5 GHz. We also find evidence that the reverse shock of the initial supernova shock wave has driven away or crushed the original PWN which might explain why the current nebula around the pulsar has such a low radio luminosity.
Publication date
PublisherAstronomical Society of the Pacific
LanguageEnglish
AffiliationNational Research Council Canada; NRC Herzberg Institute of Astrophysics
Peer reviewedYes
NPARC number9721231
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Record identifier0a5dc5c0-cd0d-4a04-a93a-021387505558
Record created2009-07-17
Record modified2017-06-27
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