Radio/optical composite image of edge-on spiral galaxy NGC 4217
Radio/optical composite image of the edge-on spiral galaxy NGC 4217. Magnetic field lines (green), revealed by the VLA, extend far above and below the plane of the galaxy.
[Research supported by U.S. National Science Foundation grants AST 1009505 and AST 1519126.]
Learn more about this research in the NRAO news story Magnetic field of a spiral galaxy. (Date image taken: unknown; date originally posted to NSF Multimedia Gallery: Aug. 28, 2020)
Credit: Y. Stein (CDS), NRAO, SDSS, KPNO 0.9m, J. English (U. Manitoba), R.J. Dettmar and A. Miskolczi (Ruhr U.), R.J. Rand (U.N.M.) and J. Irwin (Queen’s U.)
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