Distribution and kinematics of neutral hydrogen in the spiral galaxy M81

Arnoldus Hendrikus Rots

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Abstract

In this investigation we analyze observations of the early type spiral galaxy M8l (NGC 3031) made with the Westerbork Synthesis Radio Telescope in the 2l-cm line of neutral atomic hydrogen. The angular resolution is 24"x26" which, at a distance of 3.25 Mpc, corresponds to a linear resolution in the plane of the sky of 380x400 pc, or 400x800 pc in the plane of the galaxy. We confine ourselves to an area of 33'x37'. A velocity range from -300 km/s to +320 km/s is covered at a resolution of 27 km/s. ... Zie: Summary
Original languageEnglish
QualificationDoctor of Philosophy
Supervisors/Advisors
  • Allen, R.J., Supervisor, External person
Publisher
Publication statusPublished - 1974

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