The Rapid ASKAP Continuum Survey (RACS) is the first large-area survey to be conducted with the full 36-antenna Australian Square Kilometre Array Pathfinder (ASKAP) telescope. RACS will provide a shallow model of the ASKAP sky that will aid the calibration of future deep ASKAP surveys. RACS will cover the whole sky visible from the ASKAP site in Western Australia and will cover the full ASKAP band of 700–1800 MHz. The RACS images are generally deeper than the existing NRAO VLA Sky Survey and Sydney University Molonglo Sky Survey radio surveys and have better spatial resolution. All RACS survey products will be public, including radio images (with $\sim$ 15 arcsec resolution) and catalogues of about three million source components with spectral index and polarisation information. In this paper, we present a description of the RACS survey and the first data release of 903 images covering the sky south of declination $+41^\circ$ made over a 288-MHz band centred at 887.5 MHz.

中文翻译：

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快速 ASKAP 连续调查 I：设计和初步结果

快速 ASKAP 连续测量 (RACS) 是第一次使用完整的 36 天线澳大利亚平方公里阵列探路者 (ASKAP) 望远镜进行的大面积测量。RACS 将提供 ASKAP 天空的浅层模型，这将有助于校准未来的深 ASKAP 调查。RACS 将覆盖从西澳大利亚 ASKAP 站点可见的整个天空，并将覆盖 700-1800 MHz 的整个 ASKAP 频段。RACS 图像通常比现有的 NRAO VLA 天空调查和悉尼大学莫隆洛天空调查无线电调查更深，并且具有更好的空间分辨率。所有 RACS 调查产品都将公开，包括无线电图像（带有 $\sim$ 15 arcsec 分辨率）和包含光谱指数和偏振信息的大约 300 万个源组件的目录。在本文中，我们介绍了 RACS 调查的描述以及覆盖赤纬以南天空的 903 幅图像的首次数据发布 $+41^\circ$ 在以 887.5 MHz 为中心的 288 MHz 频带上制作。