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Anomalous Ejection in SS433

Published online by Cambridge University Press:  04 August 2017

R. E. Spencer  and
P. Waggett

Extract

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A series of MERLIN observations at λ6 cm of the peculiar object SS433 were made during the spring/summer of 1982. The maps obtained by hybrid mapping show that an elongated structure was formed, extending to ~1 arcsec in length before evolving into two symmetrically placed knots of radio emission straddling a central unresolved core. The structures can be compared with the loci of radio emission expected on the twin jet model for SS433. The knots C and D clearly visible on the map of 820514 (= JD2445104, Figure 1) fit the locus well and were ejected on JD2445085 ±2 at the same time as a strong outburst in the X band total power (Johnston et al. 1983). Knots A and B were ejected earlier but do not lie on the expected locus, even if allowance for the nodding motions proposed by Katz et al. 1982 is made.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 110: VLBI and Compact Radio Sources , 1984 , pp. 297 - 298
Copyright
Copyright © Reidel 1984 

References

Johnston, K.J., Geldzahler, B.J., et al. 1983. Ap. J. Submitted.Google Scholar
Katz, J. I., Anderson, S.F., Margon, B. and Grandi, S.A., 1982. Ap. J. 260, 780.CrossRefGoogle Scholar
Romney, J.D., Schilizzi, R.T., Fejes, I. and Spencer, R.E., 1983. in preparation.Google Scholar