Saripalli, Lakshmi ; Subrahmanyan, Ravi ; Hunstead, Richard W. (2006) Episodic ejection from super-massive black holes Proceedings of the International Astronomical Union, 2 (S238). pp. 441-442. ISSN 1743-9213
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Official URL: https://www.cambridge.org/core/journals/proceeding...
Related URL: http://dx.doi.org/10.1017/S1743921307005856
Abstract
Episodic activity in super-massive black holes is shown by radio galaxies exhibiting ‘double-double’ radio morphologies (Subrahmanyan et al. 1996, Schoenmakers et al. 2000). Spectacular examples showing a renewal of beam activity in the form of new beams emerging within relic radio lobes of previous activity have placed the phenomenon of recurrence in AGN outflows on a firm footing. By using the SUMSS and WENSS GRG samples, we infer that on timescales of order a few million years, low luminosity radio sources are more likely to exhibit episodic behaviour in the accretion on to their supermassive black holes as compared to the more powerful radio galaxies.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Cambridge University Press (CUP). |
| Keywords: | Galaxies; Active-Galaxies; Nuclei-Accretion |
| ID Code: | 114415 |
| Deposited On: | 22 May 2018 08:19 |
| Last Modified: | 22 May 2018 08:19 |
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