默奇森宽场阵列的再电离纪元灵敏度
天体物理仪器与方法
2015-06-04 v3 宇宙学与河外天体物理
摘要
利用默奇森宽场阵列（MWA）最终的128个天线位置，我们计算了其对再电离纪元（EoR）红移21厘米发射功率谱的灵敏度（针对一个基准模型），并提供了计算任何模型灵敏度的工具。我们的计算考虑了综合旋转、色散和非对称基线效应，并排除了会被前景扣除污染的模态。对于基准模型，MWA将能够在两个天区（900和700小时）的一个完整观测季节内以14σ的置信度探测到EoR信号。
引用
@article{arxiv.1204.3111,
title = {The EoR Sensitivity of the Murchison Widefield Array},
author = {A. P. Beardsley and B. J. Hazelton and M. F. Morales and W. Arcus and D. Barnes and G. Bernardi and J. D. Bowman and F. H. Briggs and J. D. Bunton and R. J. Cappallo and B. E. Corey and A. Deshpande and L. deSouza and D. Emrich and B. M. Gaensler and R. Goeke and L. J. Greenhill and D. Herne and J. N. Hewitt and M. Johnston-Hollitt and D. L. Kaplan and J. C. Kasper and B. B. Kincaid and R. Koenig and E. Kratzenberg and C. J. Lonsdale and M. J. Lynch and S. R. McWhirter and D. A. Mitchell and E. Morgan and D. Oberoi and S. M. Ord and J. Pathikulangara and T. Prabu and R. A. Remillard and A. E. E. Rogers and A. Roshi and J. E. Salah and R. J. Sault and N. Udaya Shankar and K. S. Srivani and J. Stevens and R. Subrahmanyan and S. J. Tingay and R. B. Wayth and M. Waterson and R. L. Webster and A. R. Whitney and A. Williams and C. L. Williams and J. S. B. Wyithe},
journal= {arXiv preprint arXiv:1204.3111},
year = {2015}
}
备注
5 pages, 4 figures, 1 table, Accepted for publication in MNRAS Letters. Supplementary material will be available in the published version, or by contacting the authors