How axi-symmetric is the inner HI disc of the Milky Way?

We modelled the distribution and the kinematics of HI in the inner Milky Way (R < R☉) at latitude b = 0∘ assuming axi-symmetry. We fitted the line profiles of the LAB 21-cm survey using an iterative approach based on the tangent-point method. The resulting model reproduces the H I data remarkabl...

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Bibliographic Details
Main Authors: Marasco A., Fraternali F.
Format: Article
Language:English
Published: EDP Sciences 2012-02-01
Series:EPJ Web of Conferences
Online Access:http://dx.doi.org/10.1051/epjconf/20121908007

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