Apertif, a focal plane array for the WSRT

Apertif, a focal plane array for the WSRT
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Apertif,WSRT 的焦平面阵列

DOI:
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发表时间:
2008
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通讯作者:
J. Hulst
J. Hulst
中科院分区:
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文献类型:
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作者:
M. Verheijen;T. Oosterloo;W. V. Cappellen;L. Bakker;Marianna V. Ivashina;J. Hulst

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在本文中,我们描述了一个焦平面阵列(FPA)原型,基于维瓦尔第元素,开发了韦斯特伯克综合射电望远镜(WSRT),增加了25倍的瞬时视场和两倍的电流带宽。这个原型是该项目的第一步,该项目的目标是为大多数WSRT天线配备fpa,以提高望远镜的调查速度。科学应用的例子是在偏振连续体和HI发射中对北方天空的调查,以及对脉冲星和瞬变星的有效搜索。
In this paper we describe a focal plane array (FPA) prototype, based on Vivaldi elements, developed for the Westerbork Synthesis Radio Telescope (WSRT) to increase its instantaneous field of view by a factor 25 and double its current bandwidth. This prototype is the first step in a project that has the ambition to equip most of the WSRT antennas with FPAs to improve the survey speed of the telescope. Examples of scientific applications are surveys of the northern sky in polarised continuum and HI emission, and efficient searches for pulsars and transients.