SS433 jet precession: Infrared dispersion doppler effect

Lopez, E. and Armijos, Jairo 2018. SS433 jet precession: Infrared dispersion doppler effect. Presented at: Workshop on Numerical Modeling in MHD and Plasma Physics, Novosibirsk, 11-12 October 2018. Journal of Physics: Conference Series. , vol.1103 (1) IOP Publishing, 10.1088/1742-6596/1103/1/012015

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Abstract

In the infrared part of the electromagnetic spectrum, the relativistic dispersion theory is applied to the SS433 jets, to describe its dispersion properties. In particular, we here investigate the dispersion Doppler effect of the radiation in the relativistic cold plasma approximation for this micro-quasar. We find that the Doppler plasma line displacements in SS433 are affected by the plasma dispersion only in a narrow frequency band; in the far infrared (far-IR) one. As a consequence, although the shift Z modulation due to the precession of the SS433 jets is well described by previous works in the optical range, it has to be corrected by plasma dispersion effects in the far-IR range.

Item Type:	Conference or Workshop Item (Paper)
Status:	Published
Schools:	Physics and Astronomy
Publisher:	IOP Publishing
ISSN:	1742-6596
Last Modified:	24 Jul 2023 14:45
URI:	https://orca.cardiff.ac.uk/id/eprint/159159

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