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Extended Structure in High-Redshift Radio Sources

Published online by Cambridge University Press:  14 August 2015

P. J. Duffett-Smith  and
A. Purvis
P. J. Duffett-Smith
Affiliation:
Cavendish Laboratory, Cambridge, England
A. Purvis
Affiliation:
Cavendish Laboratory, Cambridge, England

Extract

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We have compared measurements of several hundred 3C and 4C radio sources at large redshifts to investigate how radio-source structure changes over a factor of 5–10 in luminosity. Our results show that for z ≳ 0.6:

  1. (i) most sources (both 3C and 4C) have hotspots about 3.5 kpc in size (Ho = 50 km s−1 Mpc−1, Ω = 1);

  2. (ii) lower-luminosity sources (bottom of 4C) have less-extended outer lobes.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 97: Extragalactic Radio Sources , 1982 , pp. 59 - 60
Copyright
Copyright © Reidel 1982 

References

Duffett-Smith, P.J.: 1980, Mon. Not. R. astr. Soc., 192, pp 33–39.Google Scholar
Duffett-Smith, P.J., Purvis, A. & Hewish, A.: 1980, Mon. Not. R. astr. Soc., 190, pp 891–901.Google Scholar
Readhead, A.C.S., Kemp, M.C. & Hewish, A.: 1978, Mon. Not. R. astr. Soc., 185, pp 207–225.Google Scholar
Wall, J.V., Pearson, T.J. & Longair, M.S.: 1980, Mon. Not. R. astr. Soc., 193, pp 683–706.CrossRefGoogle Scholar