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Figure 5. Image of the massive star forming region NGC 6334 at 1.67 GHz plus the Stokes I and V spectra of the methanol lines from feature F, from which magnetic fields are derived from the Zeeman effect (Momjian and Sarma 2023).

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The NSF National Radio Astronomy Observatory and NSF Green Bank Observatory are facilities of the U.S. National Science Foundation operated under cooperative agreement by Associated Universities, Inc.