Fig. 2 from Accurate Determination of the Mass Distribution in Spiral Galaxies. II. Testing the Shape of Dark Halos

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Accurate Determination of the Mass Distribution in Spiral Galaxies. II. Testing the Shape of Dark Halos

Authors: Sébastien Blais-Ouellette, Philippe Amram, and Claude Carignan

Blais‐Ouellette, Amram, & Carignan 2001 The Astronomical Journal 121 1952.

Provider: AAS Journals

Caption: Fig. 2.

Top, Hα rotation curve of NGC 3109 (open circles) compared with the H I rotation curve (filled circles) from Jobin & Carignan (1990), showing the approaching (dashed line) and receding (continuous line) sides; bottom, variation with radius of the position angle and inclination for the Hα data. See the text for details on curves and error bars.

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