ASKAP Project AS102: WALLABY Pilot Survey DR1 - Mosaicked Data Cubes and Images

These are full-sensitivity mosaicked data cubes and images of the three fields observed during phase 1 of the WALLABY pilot survey. Mosaics in this collection include: extragalactic spectral-line data cubes and weights cubes (cover the full spectral range and masks channels around Galactic HI); Galactic data cubes and weights cubes (cover a limited spectral range that contains Galactic emission); continuum images and weights maps. The WALLABY pilot survey DR1 includes observations of three fields in the directions of the Hydra galaxy cluster, the Norma galaxy cluster and the NGC 4636 galaxy group. The Hydra field mosaics cover 60 square degrees and are formed from SBIDs 10609, 10269, 10612, 10626. The NGC 4636 field mosaics cover 60 square degrees and are formed from SBIDs 10809, 10812, 10736. The Norma field mosaics cover 30 square degrees and are formed from SBIDs 12193, 12209. Users of the data are requested to include a reference to the data release paper (Westmeier et al. 2022, in prep.) and the WALLABY survey description paper (Koribalski et al. 2020, Ap&SS, 365, 118) in any publication resulting from their analysis.

本数据集包含WALLABY先导巡天第一阶段观测的三个天区的全灵敏度拼接数据立方体与图像。本数据集的拼接产物包括：覆盖全光谱范围且屏蔽银河中性氢（HI）周边频谱通道的河外谱线数据立方体与权重立方体；涵盖银河辐射的有限光谱范围的银河数据立方体与权重立方体；以及连续谱图像与权重图。WALLABY先导巡天第一版数据发布（Data Release 1，DR1）涵盖了朝向长蛇座星系团、矩尺座星系团以及NGC 4636星系群的三个天区的观测数据。其中，长蛇座天区拼接产物覆盖60平方度，由观测块标识符（Science Block Identifier，SBID）10609、10269、10612、10626的观测数据拼接而成；NGC 4636天区拼接产物覆盖60平方度，由观测块标识符10809、10812、10736的观测数据拼接而成；矩尺座天区拼接产物覆盖30平方度，由观测块标识符12193、12209的观测数据拼接而成。使用本数据集的研究者需在基于该数据开展分析所得的任何发表成果中，引用本数据发布论文（Westmeier等，2022，待刊）以及WALLABY巡天概述论文（Koribalski等，2020，《天体物理与空间科学》（Ap&SS），第365卷，第118期）。