Multi-frequency Synthesis in Space Very Long Baseline Radio Interferometry

IF 1.1 4区 物理与天体物理 Q3 ASTRONOMY & ASTROPHYSICS Astronomy Reports Pub Date : 2024-08-29 DOI:10.1134/S1063772924700537
A. G. Rudnitskiy, M. A. Shchurov, S. V. Chernov
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Abstract

The paper examines the possibilities of using multi-frequency synthesis methods for very long baseline (VLBI) space radio interferometers to improve the \((u,{v})\) coverage and the quality of the resulting synthesized images. To evaluate the contribution of multi-frequency synthesis methods, simulations of VLBI observations were performed using the example of the space VLBI concept that is based on a combination of circular near-Earth orbits.

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空间甚长基线射电干涉测量中的多频合成
摘要本文研究了在甚长基线(VLBI)空间射电干涉仪上使用多频合成方法的可能性,以改进((u,{v})\)覆盖范围和由此产生的合成图像的质量。为了评估多频合成方法的贡献,以基于圆形近地轨道组合的空间 VLBI 概念为例,对 VLBI 观测进行了模拟。
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来源期刊
Astronomy Reports
Astronomy Reports 地学天文-天文与天体物理
CiteScore
1.40
自引率
20.00%
发文量
57
审稿时长
6-12 weeks
期刊介绍: Astronomy Reports is an international peer reviewed journal that publishes original papers on astronomical topics, including theoretical and observational astrophysics, physics of the Sun, planetary astrophysics, radio astronomy, stellar astronomy, celestial mechanics, and astronomy methods and instrumentation.
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