PHANGS CO kinematics: disk orientations and rotation curves at 150 pc resolution
Philipp Lang,
Sharon E. Meidt,
Erik Rosolowsky
et al.
Abstract:We present kinematic orientations and high resolution (150 pc) rotation curves for 67 main sequence star-forming galaxies surveyed in CO (2-1) emission by PHANGS-ALMA. Our measurements are based on the application of a new fitting method tailored to CO velocity fields. Our approach identifies an optimal global orientation as a way to reduce the impact of non-axisymmetric (bar and spiral) features and the uneven spatial sampling characteristic of CO emission in the inner regions of nearby galaxies. The method p… Show more
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