The inevitable youthfulness of known high-redshift radio galaxies

Nature

Volumn 399, Issue 6734, 1999, Pages 330-332

  Blundell, Katherine M ^a   Rawlings, Steve ^a  

^a UNIVERSITY OF OXFORD   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; ASTRONOMY; CHRONOLOGY; COSMOS; LUMINANCE; PRIORITY JOURNAL; RADIOFREQUENCY RADIATION;

EID: 0033609288     PISSN: 00280836     EISSN: None     Source Type: Journal    
DOI: 10.1038/20612     Document Type: Article

References (32)

1. Begelman, M. C., Blandford, R. D. & Rees, M. J. Theory of extragalactic radio sources. Rev. Mod. Phys. 56, 255-351 (1984).
2. Rawlings, S. et al. A radio galaxy at redshift 4.41. Nature 383, 502-505 (1996).
3. Baldwin, J. E. in Extragalactic Radio Sources 21-24 (Proc. 97 [AU Symp., Reidel, Dordrecht, 1982).
4. McCarthy, P. I., van Breugel, W., Spinrad, H. & Djorgovski, S. A correlation between the radio and optical morphologies of distant 3CR radio galaxies. Astrophys. J. 321, L29-L33 (1987).
5. Kapahi, V. K., Subrahmanya, C R. Kulkarni, V. K. On the interpretation of the observed angular-size-flux-density relation for extra-galactic radio sources. J. Astrophys. Astron. 8, 33-50 (1987).
6. Barthel, P. D. & Miley, G. K. Evolution of radio structure in quasars: a new probe of protogalaxies? Nature 333, 319-325 (1988).
7. Blundell, K. M., Rawlings, S. & Willott, C. J. The nature and evolution of classical double radio sources from complete samples. Astron. J. 117, 677-706 (1999).
8. Garrington, S. T. & Conway, R. G. The interpretation of asymmetric depolarization in extragalactic radio sources. Mon. Not. R. Astron. Soc. 250, 198-208 (1991).
9. Hughes, D. H., Dunlop, J. S., Archibald, E. N., Rawlings, S. & Eales, S. A. Cosmological evolution of the submillimetre luminosity of high-redshift radio galaxies. In The Birth of Galaxies (ed. Guiderdoni, B.) [Frontieres, Paris, in the press).
10. Daly, R. A. Cosmology with powerful extended radio sources. Astrophys. J. 426, 38-50 (1994).
11. Eke, V. R., Cole, S. & Frenk, C. S. Cluster evolution as a diagnostic for Ω. Mon. Not. R. Astron. Soc. 282, 263-280 (1996).
12. Reynolds, C. S. & Fabian, A. C. ROSAT PSPC observations of Cygnus A: X-ray spectra of the cooling flow and hotspots. Mon. Not. R. Astron. Soc. 278, 479-487 (1996).
13. Neumann, D. M. 3C 295, a cluster and its cooling flow at z = 0.46. Astrophys. J. 520 (in the press); preprint astro-ph/9902035 at (http://xxx.lanl.gov) (1999).
14. Navarro, J. F., Frenk, C. S. & White, S. D. M. A universal density profile from hierarchical clustering. Astrophys. J. 490, 493-508 (1997).
15. Crawford, C. S. & Fabian, A. C. ROSATobservations of distant 3CR radio galaxies - II. Man. Not. R. Astron. Soc. 282, 1483-1488 (1996).
16. Bower, R. G. & Smail, I. Aweak lensing survey in the fields of z∼1 luminous radio sources. Mon. Not. R. Astron. Soc. 290, 292-302 (1997).
17. Deltorn, J. M., Le Fevre, O., Crampton, D. & Dickinson, M. A massive cluster of galaxies at z = 0.996. Astrophys. J. 483, L21-L24 (1997).
18. Hill, G. I. & Lilly, S. J. A change in the cluster environments of radio galaxies with cosmic epoch. Astrophys. J. 367, 1-18 (1991).
19. Falle, S. A. E. G. Self-similar jets. Mon. Not. R. Astron. Soc. 250, 581-596 (1991).
20. Kaiser, C. R., Dennett-Thorpe, J. & Alexander, P. Evolutionary tracks of FRII sources through the P-D diagram. Mon. Nat. R. Astron. Soc. 292, 723-732 (1997).
21. Riley, J. M. Bright sources selected at 151 MHz - I. Some observations and identifications. Mon. Not. R. Astron. Soc. 238, 1055-1075 (1989).
22. Sanders, D. B. et al. Ultraluminous infrared galaxies and the origin of quasars. Astrophys. J. 325, 74-91 (1988).
23. De Young, D. S. The 'alignment effect' and the evolution of dust in high-redshift radio galaxie. Astrophys. J. 507, 161-172 (1998).
24. Best, P. N., Longair, M. S. & Röttgering, H. J. A. Evolution of the aligned structures in z∼1 radio galaxies. Mon. Not. R. Astron. 280, L9-L12 (1996).
25. Genzel, R., Lutz, D. & Tacconi, L. Star formation triggered by galaxy collisions. Nature 395, 859-862 (1998).
26. Longair, M. S. On the interpretation of radio source counts. Mon. Not. R. Astron. Soc. 133, 421-436 (1966).
27. Aarseth, S. J. & Fall, S. M. Cosmological N-body simulations of galaxy merging. Astrophys. J. 236, 43-57 (1980).
28. Ellingson, E., Green, R. F. & Yee, H. K. C. Clusters of galaxies associated with quasars II: galaxy cluster dynamics. Astrophys. J. 378, 476-486 (1991).
29. Prestage, R. M. & Peacock, J. A. The cluster environments of powerful radio galaxies. Mon. Not. R. Astron. Soc. 230, 131-160 (1988).
30. Owen, F. N., Ledlow, M. I., Morrison, G. E. & Hill, J. M. The Cluster of galaxies surrounding Cygnus A. Astrophys. J. 488, L15-L18 (1997).
31. Markevitch, M., Sarazin, C. L. & Vikhlinin, A. Physics of merging clusters Cygnus A, A3667 and A2065. Astrophys. J. 521 (in the press); preprint astro-pW9812005 at (http://xxx.lanl.gov) (1998).
32. Laing, R. A., Riley, J. M. & Longair, M. S. Bright radio sources at 178 MHz: flux densities, optical identifications and the cosmological evolution of powerful radio galaxies. Mon. Not. R. Astron. Soc. 204, 151-187 (1983).