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CME and Ejection of Large Scale Magnetic Fields, Helical Magnetic Fields, and Intrinsically Asymmetric Jets - New Findings in AGN

  • H. S. Chu (a1), F. J. Zhang (a2) and R. E. Spencer (a3)

Abstract

The orthodox model of active galactic nuclei (AGN), as is generally accepted, is that of Rees. We have found an AGN (3C 147) which has a counter-jet much longer than the main jet. It also has an unusual sideways ejection from the nuclear region. Both of these and the 3-jet structure per se do not seem to conform with the general accepted model, and are also not explained by relativistic beaming effects. We speculate that this is due to coronal mass ejection (CME) in the accretion disk corona. Recently, we have found convincing new evidence that this is true. We have also found direct evidence of helical magnetic fields in the core region of 3C 147. These results may be of importance to the understanding of AGN.

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References

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Chu, H.S., et al. 1992. In Sub-Arcsecond Radio Astronomy, eds. Davis, R.J. &. Booth, R.S. (Cambridge: Cambridge University Press), 249251.
Chu, H.S., et al. 1996. A&A, 307, 1520.
van Bruegel, W., Miley, G., & Heckman, T. 1984. AJ, 89, 522.
Zhang, F.J., et al. 1991. MNRAS, 250, 650653.

CME and Ejection of Large Scale Magnetic Fields, Helical Magnetic Fields, and Intrinsically Asymmetric Jets - New Findings in AGN

  • H. S. Chu (a1), F. J. Zhang (a2) and R. E. Spencer (a3)

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