低频空间甚长基线干涉测量
天体物理学
2009-09-25 v1
摘要
在足够低的频率下，任何地基射电阵列都无法在透过电离层观测时产生高分辨率图像。需要天基阵列来探索在最低射电频率下主导天空的天体与过程。基于大量小型、廉价卫星的成像射电干涉仪，能够追踪与日冕物质抛射相关的太阳射电暴直至地球距离，确定星系中早期非热活动阶段的频率与持续时间，并提供关于星际介质的独特信息。这将是一项“空间-空间”甚长基线干涉测量（VLBI）任务，因为仅使用卫星之间的基线。角分辨率将仅受星际与行星际散射的限制。
引用
@article{arxiv.astro-ph/0003120,
title = {Space VLBI at Low Frequencies},
author = {D. Jones and R. Allen and J. Basart and T. Bastian and W. Blume and J. -L. Bougeret and B. Dennison and M. Desch and K. Dwarakanath and W. Erickson and W. Farrell and D. Finley and N. Gopalswamy and R. Howard and M. Kaiser and N. Kassim and T. Kuiper and R. MacDowall and M. Mahoney and R. Perley and R. Preston and M. Reiner and P. Rodriguez and R. Stone and S. Unwin and K. Weiler and G. Woan and R. Woo},
journal= {arXiv preprint arXiv:astro-ph/0003120},
year = {2009}
}
备注
To appear in "Astrophysical Phenomena Revealed by Space VLBI", ed. H. Hirabayashi, P. Edwards, and D. Murphy (ISAS, Japan)