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X‐Ray Signatures of Evolving Radio Galaxies
Open accessAbstract
We present a simple model for an evolving radio galaxy as it expands into the hot, X-ray-emitting interstellar medium (ISM) of its host galaxy or similarly into the hot intracluster medium (ICM) of its host cluster. We solve the governing equations numerically on a grid of model parameters in order to present simple analytical tools for X-ray observations of the shocked shell that is pushed out by the cocoon and the associated cavity in the cluster emission. We apply these tools to the well-known example of Perseus A to show that its time-averaged kinetic luminosity probably exceeds 10 46 ergs s -1 , much larger than the estimated current power. We show how future observations can be used to extract useful source parameters such as the average kinetic power and the source age, and discuss detectability of sources at various stages of their lives.
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Cited by
A Systematic Study of Radio‐induced X‐Ray Cavities in Clusters, Groups, and Galaxies
Birzan, L., Rafferty, D. A., McNamara, B. R., Wise, M. W., & Nulsen, P. E. J. (2004) · The Astrophysical Journal · doi:10.1086/383519 · Cited by 913
McNamara, B. R., Wise, M., Nulsen, P. E. J., David, L. P., Sarazin, C. L., Bautz, M., Markevitch, M., Vikhlinin, A., Forman, W. R., Jones, C., et al. (2000) · The Astrophysical Journal · doi:10.1086/312662 · Cited by 649
Piotrowska, J. M., Bluck, A. F. L., Maiolino, R., & Peng, Y. (2022) · Monthly Notices of the Royal Astronomical Society · doi:10.1093/mnras/stab3673 · Cited by 156
Metadata
- Authors
- Heinz, S., Reynolds, C. S., & Begelman, M. C.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 1998-07
- Volume
- 501
- Issue
- 1
- Pages
- 126-136
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W1976387567
- Cited by
- 161
- References
- 0
- FWCI
- 4.12
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Heinz, S., Reynolds, C. S., & Begelman, M. C. (1998). X‐Ray Signatures of Evolving Radio Galaxies. The Astrophysical Journal. https://doi.org/10.1086/305807
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