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Are Radio-Loud Quasars Rebellious or are Radio-Quiets Just Plain Untalented?1

Published online by Cambridge University Press:  12 April 2016

M. Vestergaard ,
B.J. Wilkes  and
P.D. Barthel
M. Vestergaard
Affiliation:
Copenhagen University, Copenhagen, Denmark Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, USA
B.J. Wilkes
Affiliation:
Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, USA
P.D. Barthel
Affiliation:
Kapteyn Astronomical Institute, Groningen, The Netherlands

Abstract

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We present some of the results of a preliminary statistical study of 20 QSOs. We compare equivalent widths and widths at 40–80% of flux maximum of the Lyα, Si IVλ1400, C IV λ1549, and C III] λ1909 lines between radio-loud and radio-quiet QSO subsamples and with previously reported findings.

Type
V. Emission Lines, Absorption Lines, the Continuum, and their Relationships
Information
International Astronomical Union Colloquium , Volume 159: Emission Lines in Active Galaxies: New Methods and Techniques , 1997 , pp. 256 - 257
Copyright
Copyright © Astronomical Society of the Pacific 1997

Footnotes

1

Observations reported here were obtained in part at the Multiple Mirror Observatory, a joint facility of the Smithsonian Institution and the University of Arizona, and in part at Palomar Observatory, California Institute of Technology.

References

Barthel, P., Miley, G., Schilizzi, R., & Lonsdale, C.J. 1988, A&AS, 73, 515.Google Scholar
Brotherton, M., Wills, B., Francis, P., & Steidel, C. 1994, ApJ, 430, 495.Google Scholar
Corbin, M.R., & Francis, P.J. 1994, AJ, 108, 2016.CrossRefGoogle Scholar
Hewitt, A., & Burbidge, G. 1993, ApJS, 87, 451.Google Scholar
Wills, B.J., & Browne, I.W.A. 1986, ApJ, 302, 56.Google Scholar
Wills, B.J., Brotherton, M.S., Fang, D., Steidel, C.C., & Sargent, W.L.W. 1993, ApJ, 415, 563.Google Scholar