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A new method for making maps with unstable radio interferometers
Open accessAbstract
We present a new method for making ‘hybrid’ maps using data from unstable interferometers. Our approach is based on correcting errors occurring at individual telescopes, and is more general than previous ones in that it allows for different degrees of instability at each telescope as well as for varying signal-to-noise ratios in the visibility data on each baseline. The method was developed, and will be used, for the analysis of the data from the Jodrell Bank Multi-Telescope Radio-linked Interferometer (MTRLI). We show the results of tests on simulated data to indicate the quality of maps which can be made with the MTRLI using the new method, and present a hybrid map of the quasar 3C 309.1 made from actual MTRLI data at 1666 MHz.
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Cited by
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Christopher, M. H., Scoville, N. Z., Stolovy, S. R., & Yun, M. S. (2005) · The Astrophysical Journal · doi:10.1086/427911 · Cited by 228
Structure Effects for 3417 Celestial Reference Frame Radio Sources
Xu, M. H., Anderson, J. M., Heinkelmann, R., Lunz, S., Schuh, H., & Wang, G. L. (2019) · The Astrophysical Journal Supplement Series · doi:10.3847/1538-4365/ab16ea · Cited by 27
Metadata
- Authors
- Cornwell, T. J., & Wilkinson, P. N.
- Venue
- Monthly Notices of the Royal Astronomical Society
- Publisher
- Oxford University Press (OUP)
- Published
- 1981-10-01
- Volume
- 196
- Issue
- 4
- Pages
- 1067-1086
- ISSN
- 0035-8711 (ISSN-L)
- 1365-2966
- OpenAlex
- W2087808478
- Cited by
- 231
- References
- 0
- FWCI
- 14.94
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Cornwell, T. J., & Wilkinson, P. N. (1981). A new method for making maps with unstable radio interferometers. Monthly Notices of the Royal Astronomical Society. https://doi.org/10.1093/mnras/196.4.1067
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