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State-of-the-art VLBI imaging: 3C345

Wehrle, Ann E. and Unwin, Stephen C. (1991) State-of-the-art VLBI imaging: 3C345. In: Radio Interferometry: Theory, Techniques, and Applications. IAU Symposium Proceedings Series. No.131. Astronomical Society of Japan , San Francisco, CA, pp. 354-357. ISBN 9780937707388. https://resolver.caltech.edu/CaltechAUTHORS:20181210-133807952

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Abstract

Most VLBI images have low dynamic range because they are limited by instrumental effects such as calibration errors and poor u, v-coverage. We outline the method used to make a new image of the bright quasar 3C345 which has very high dynamic range (peak-to-noise of 5000:1) and which is limited by the thermal noise, not instrumental errors. Both the Caltech VLBI package and the NRAO AIPS package were required to manipulate the data.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1017/S0252921100013634DOIArticle
Additional Information:© 1991 Astronomical Society of the Pacific. We are grateful to John Biretta (NRAO) for his efforts with BLCAL. We gratefully acknowledge the cooperation of the U.S. VLBI Network and European Network observatories in obtaining excellent data on 3C345. The National Radio Astronomy Observatory is operated by Associated Universities, Inc., under cooperative agreement with the National Science Foundation. This work was supported by the National Science Foundation, grant number AST-8814554.
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Funding AgencyGrant Number
NSFAST-8814554
Series Name:IAU Symposium Proceedings Series
Issue or Number:131
Record Number:CaltechAUTHORS:20181210-133807952
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20181210-133807952
Official Citation:Wehrle, A., & Unwin, S. (1991). State-of-the-art VLBI imaging: 3C345. International Astronomical Union Colloquium, 131, 354-357. doi:10.1017/S0252921100013634
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:91649
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:10 Dec 2018 21:48
Last Modified:03 Oct 2019 20:37

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