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Detailed H I kinematics of Tully-Fisher calibrator galaxies

Abstract : We present spatially resolved H I kinematics of 32 spiral galaxies which have Cepheid or/and tip of the red giant branch distances, and define a calibrator sample for the Tully-Fisher relation. The interferometric H I data for this sample were collected from available archives and supplemented with new Giant Metrewave Radio Telescope observations. This paper describes a uniform analysis of the H I kinematics of this inhomogeneous data set. Our main result is an atlas for our calibrator sample that presents global H I profiles, integrated H I column-density maps, H I surface-density profiles and, most importantly, detailed kinematic information in the form of high-quality rotation curves derived from highly resolved, two-dimensional velocity fields and position-velocity diagrams.
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Submitted on : Friday, May 13, 2022 - 7:15:31 PM
Last modification on : Saturday, June 25, 2022 - 3:17:09 AM

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Anastasia A. Ponomareva, Marc A. W. Verheijen, Albert Bosma. Detailed H I kinematics of Tully-Fisher calibrator galaxies. Monthly Notices of the Royal Astronomical Society, 2016, 463, pp.4052-4067. ⟨10.1093/mnras/stw2213⟩. ⟨insu-03667684⟩

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