Pair Annihilation and Radio Emission from Nova Muscae

2); (2) Department of Physics & Astronomy; C.R. Kaiser (2) ((1) Observatory; D.C. Hannikainen (1; Finland; UK); University of Helsinki; University of Southampton

arxiv: astro-ph/0208086 · v1 · submitted 2002-08-05 · 🌌 astro-ph

Pair Annihilation and Radio Emission from Nova Muscae

D.C. Hannikainen (1 , 2) , C.R. Kaiser (2) ((1) Observatory , University of Helsinki , Finland , (2) Department of Physics & Astronomy , University of Southampton , UK) This is my paper

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keywords annihilationemissionmuscaenovapairradiox-rayarising

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In the hard X-ray spectra of some X-ray binaries line features around 500 keV are detected. We interpret these as arising from pair annihilation in relativistic outflows leading to a significant Doppler shift of the frequencies of the lines. We show that a small fraction of pairs escaping the annihilation region may give rise to the radio synchrotron emission observed in Nova Muscae 1991.

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Pair Annihilation and Radio Emission from Nova Muscae

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