标题： SHELLFLOW：首个6000公里/秒全天空均匀转动流量巡天 显示英文标题

标题： SHELLFLOW: The First Homogeneous All-Sky TF Survey at 6000 km/s

摘要： 我们为一个完整的全天覆盖样本呈现了一项新的光学Tully-Fisher（TF）研究，该样本包含297个红移在4500到7000公里/秒之间的Sb-Sc型旋涡星系。 这项调查专门设计用于在两个半球上提供一致且经过良好校准的数据。 超级星系壳层内所有先前的TF调查（cz < 6000公里/秒）都依赖于在北半球和南半球匹配独立数据集，因此无法达到全天空的一致性。 基于这些研究对宇宙偶极子和异常速度的分析产生了关于整体流幅度以及它是由内部还是外部质量涨落产生的矛盾主张。 通过Shellflow以及现有TF数据集的进一步零点校准，我们期望能够高精度地检测整体流幅度，并明确描述6000公里/秒处的潮汐场。 本研究的关键特点之一不仅是其精心挑选的全天覆盖样本，还包括我们至少两人独立重复所有数据分析。 这些数据分析和基于Shellflow样本的首次流动分析将在秋季发表。 显示英文摘要

摘要： We present a new optical Tully-Fisher (TF) investigation for a complete, full-sky sample of 297 Sb-Sc spirals with redshifts between 4500 and 7000 km/s. The survey was specifically designed to provide uniform, well- calibrated data over both hemispheres. All previous TF surveys within the Supergalactic shell (cz < 6000 km/s) have relied on matching separate data sets in the Northern and Southern hemispheres and thus cannot attain full- sky homogeneity. Analyses of the cosmological dipole and peculiar velocities based on these studies have produced contradictory claims for the amplitude of the bulk flow and whether it is generated by internal or external mass fluctuations. With Shellflow, and further zero-point calibration of existing TF data sets, we expect a high-accuracy detection of the bulk flow amplitude and an unambiguous characterization of the tidal field at 6000 km/s. One of the key features of this study is not only its careful, all-sky sample selection but the independent duplication, by at least 2 of us, of all the data reductions. These reductions and a first flow analysis based on the Shellflow sample alone will be published in the Fall.