半人马座 A 在 1.4 GHz 的射电连续谱结构
宇宙学与河外天体物理
2015-05-27 v2
摘要
本文报告了对最近的射电星系半人马座 A 进行的 45 平方度射电连续谱成像观测活动。使用澳大利亚望远镜紧凑阵列和帕克斯 64 米射电望远镜在 1.4 GHz 频段进行观测，所得图像的空间分辨率约为 600 pc，以比以往任何图像高约五倍的物理分辨率解析了约 500 kpc 的巨型射电瓣，使其成为迄今为止任何射电星系最详细的射电连续谱图像。在本文中，我们展示了这些新数据，并简要讨论了我们在图像中发现的一些最有趣的形态特征……
引用
@article{arxiv.1104.0077,
title = {The radio continuum structure of Centaurus A at 1.4 GHz},
author = {Ilana Feain and Tim Cornwell and Ron Ekers and Mark Calabretta and Ray Norris and Melanie Johnston-Hollitt and Juergen Ott and Emma Lindley and Bryan Gaensler and Tara Murphy and Enno Middelberg and Sarka Jiraskova and Shane O'Sullivan and Naomi McClure-Griffiths and Joss Bland-Hawthorn},
journal= {arXiv preprint arXiv:1104.0077},
year = {2015}
}
备注
ApJ in press. This version (now accepted in ApJ) now replaces the earlier submission. Changes made between two versions include updated explanation of how we made Figure 2, the inclusion of Figures 7a and 7b showing cuts across the lobes to highlight sharp and not-sharp lobe boundaries