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Caltech-Jodrell Bank VLBI Surveys

Pearson, T. J. and Browne, I. W. A. and Henstock, D. R. and Polatidis, A. G. and Readhead, A. C. S. and Taylor, G. B. and Thakkar, D. D. and Vermeulen, R. C. and Wilkinson, P. N. and Xu, W. (1998) Caltech-Jodrell Bank VLBI Surveys. In: Radio Emission from Galactic and Extragalactic Compact Sources. IAU Symposium Proceedings Series. No.164. Astronomical Society of the Pacific , San Francisco, CA, pp. 17-24. ISBN 9781886733640. https://resolver.caltech.edu/CaltechAUTHORS:20181116-144203324

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Abstract

The Caltech-Jodrell Bank VLBI surveys of bright extragalactic radio sources north of declination 35° were carried out between 1990 and 1995 using the Mark-II system, achieving images with a resolution of about 1 mas at 5 GHz. The CJl survey (together with the older “PR” survey) includes 200 objects with 5 GHz flux density greater than 0.7 Jy; the CJ2 survey includes 193 flat-spectrum sources with 5 GHz flux density greater than 0.35 Jy; and we have defined a complete flux-density limited sample, CJF, of 293 flat-spectrum sources stronger than 0.35 Jy. We summarize the definition of the samples and the VLBI, VLA, MERLIN, and optical observations, and present some highlights of the astrophysical results. These include: (1) superluminal motion and cosmology; (2) morphology and evolution of the “compact symmetric objects” (CSOs); (3) two-sided motion in some CSOs; (4) the angular-size-redshift diagram; (5) misalignment of parsec-scale and kiloparsec-scale jets.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1017/s0252921100044377DOIArticle
https://arxiv.org/abs/astro-ph/9710267arXivDiscussion Paper
http://resolver.caltech.edu/CaltechAUTHORS:20131003-130340363Related ItemReport
ORCID:
AuthorORCID
Pearson, T. J.0000-0001-5213-6231
Readhead, A. C. S.0000-0001-9152-961X
Additional Information:© 1998 Astronomical Society of the Pacific. The CJ surveys represent one of the largest VLBI projects carried out prior to the completion of the VLBA, and we are very grateful to the personnel of the participating observatories and of the Caltech/JPL correlator for making the surveys possible. The work at Caltech was supported by the National Science Foundation (AST-9117100 and AST-9420018). The National Radio Astronomy Observatory is a facility of the National Science Foundation, operated under a cooperative agreement by Associated Universities, Inc.
Group:Infrared Processing and Analysis Center (IPAC)
Funders:
Funding AgencyGrant Number
NSFAST-9117100
NSFAST-9420018
Series Name:IAU Symposium Proceedings Series
Issue or Number:164
Record Number:CaltechAUTHORS:20181116-144203324
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20181116-144203324
Official Citation:Pearson, T., Browne, I., Henstock, D., Polatidis, A., Readhead, A., Taylor, G., . . . Xu, W. (1998). The Caltech-Jodrell Bank VLBI Surveys. International Astronomical Union Colloquium, 164, 17-24. doi:10.1017/S0252921100044377
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:90986
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:16 Nov 2018 22:56
Last Modified:03 Oct 2019 20:30

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