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Activity in the Nuclei of Normal Sbc Galaxies - A Multiwavelength Study

Published online by Cambridge University Press:  07 August 2017

R. D. Davies ,
A. Pedlar ,
D.J. Axon ,
B. Vila ,
E. Hummel ,
R. D. Wolstencroft  and
J.M. van der Hulst
R. D. Davies
Affiliation:
University of Manchester, Nuffield Radio Astronomy Laboratories, Jodrell Bank, Macclesfield, Cheshire SK11 9DL, UK
A. Pedlar
Affiliation:
University of Manchester, Nuffield Radio Astronomy Laboratories, Jodrell Bank, Macclesfield, Cheshire SK11 9DL, UK
D.J. Axon
Affiliation:
University of Manchester, Nuffield Radio Astronomy Laboratories, Jodrell Bank, Macclesfield, Cheshire SK11 9DL, UK
B. Vila
Affiliation:
University of Manchester, Nuffield Radio Astronomy Laboratories, Jodrell Bank, Macclesfield, Cheshire SK11 9DL, UK
E. Hummel
Affiliation:
University of Manchester, Nuffield Radio Astronomy Laboratories, Jodrell Bank, Macclesfield, Cheshire SK11 9DL, UK
R. D. Wolstencroft
Affiliation:
Royal Observatory Edinburgh, Blackford Hill, Edinburgh, UK
J.M. van der Hulst
Affiliation:
Radiosterrenwacht Westerbork, 9433 TA Zwiggelte, The Netherlands

Extract

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This study of the activity in the nuclei of normal galaxies began as an investigation into the spread in the observed properties of normal galaxies used as standard candles in measurements of departures from the Hubble flow (Hart & Davies 1982). Extensive studies of the integrated properties of normal galaxies show the influence on these properties of quiescent star formation and embedded starburst-type activity (Staveley-Smith & Davies, 1987,1988). Normal galaxies have a significant level of nuclear activity, although it is not strongly correlated with their integrated properties. This investigation of nuclear activity is based on a sample of the 100 brightest nearby Sbc galaxies, a sample unbiassed in its selection of activity.

Type
Part 9: Intrinsically Weak AGNs
Information
Symposium - International Astronomical Union , Volume 134: Active Galactic Nuclei , 1989 , pp. 520 - 521
Copyright
Copyright © Kluwer 1989 

References

Hart, L. & Davies, R.D., 1982. Nature, 224, 953.Google Scholar
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Hummel, E., Pedlar, A., van der Hulst, J.M. & Davies, R.D., 1985. Astr.Astrophys.Suppl.Ser., 60, 293.Google Scholar
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