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- W2895784504 abstract "Very long baseline interferometric (VLBI) observations of quasar jets enable one to measure many theoretically expected effects. Estimating the significance of observational findings is complicated by the correlated noise in the image plane. A reliable and well justified approach to estimating the uncertainties of VLBI results is needed as well as significance testing criteria. We propose to use the bootstrap for both tasks. Using simulations we find that bootstrap-based errors for the full intensity, rotation measure, and spectral index maps have coverage closer to the nominal values than conventionally obtained errors. The proposed method naturally takes into account heterogeneous interferometric arrays (such as Space VLBI) and can be easily extended to account for instrumental calibration factors." @default.
- W2895784504 created "2018-10-26" @default.
- W2895784504 creator A5027916815 @default.
- W2895784504 date "2018-11-06" @default.
- W2895784504 modified "2023-09-26" @default.
- W2895784504 title "Using the bootstrap to assess uncertainties of VLBI results – I. The method and image-based errors" @default.
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- W2895784504 doi "https://doi.org/10.1093/mnras/sty2654" @default.
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