CaltechAUTHORS
Published November 1, 1992 | Version Published
Journal Article Open

A jet in the nucleus of the giant quasar 4C 74.26

Creators

  • 1. ROR icon California Institute of Technology
  • 2. ROR icon University of Cambridge

Abstract

An image of the nucleus of the giant quasar 4C 74.26 made using very long baseline interferometry at a frequency of 5 GHz shows a one-sided, parsec-scale jet that is well aligned with the 400-kpc jet seen in VLA images. If the jet asymmetry is due to Doppler boosting, the axis of the source cannot lie close to the plane of the sky. The radio spectrum of the nucleus, measured with the VLA, has a peak at about 8 GHz.

Additional Information

© 1992 Royal Astronomical Society. Provided by the NASA Astrophysics Data System. Accepted 1992 September 19. Received 1992 September 16. We are grateful to the European and United States VLBI networks for scheduling the observations reported here, and we thank the staffs at the telescopes and the correlator for their expert assistance. We thank Dr P. D. Barthel for comments on the manuscript, and Dr S. F. Gull for providing the maximum entropy imaging program. The work was supported by the National Science Foundation through its support of the US VLBI network and by grant AST 88-14554 to the Owens Valley Radio Observatory. TJP thanks the Netherlands Organization for Scientific Research for a visiting scholarship which supported part of this work. The National Radio Astronomy Observatory is operated by Associated Universities, Inc., under cooperative agreement with the National Science Foundation.

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Published - mnras259-013P.pdf

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Additional details

Identifiers

Eprint ID
103760
Resolver ID
CaltechAUTHORS:20200608-115353697

Related works

Describes
https://ui.adsabs.harvard.edu/abs/1992MNRAS.259P..13P/abstract (URL)

Funding

NSF
AST 88-14554
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO)

Dates

Created
2020-06-08
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Updated
2021-11-16
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