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Comparison of Global 21 cm Velocity Profiles with Hα Rotation Curves
Published online by Cambridge University Press: 04 August 2017
Abstract
21 cm profiles are compared with high resolution long slit Hα spectra. Asymmetries in intensity and velocity gradient in the spectra are apparent in the global profiles. When measured at 0.5 of peak intensity, the 21cm profile width and optical rotation curve match best.
- Type
- I. Kinematics of Gas and the Underlying Mass Distribution
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- Copyright © Reidel 1983