Figure 10 from Spectroscopy of M81 Globular Clusters

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Spectroscopy of M81 Globular Clusters

Authors: Julie B. Nantais and John P. Huchra

NANTAIS & HUCHRA 2010 The Astronomical Journal 139 2620.

Provider: AAS Journals

Caption: Figure 10.

Metallicity of GCs as a function of distance from the center of M81. "Literature" objects are from PBH, BH91, and SBKHP. The metallicity gradient is a least-squares weighted linear fit to metallicity as a function of galactocentric distance.

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