Resolved magnetic-field structure and variability near the event horizon of Sagittarius A*

@article{Johnson2015ResolvedMS,
  title={Resolved magnetic-field structure and variability near the event horizon of Sagittarius A*},
  author={M. Johnson and V. Fish and S. Doeleman and D. Marrone and R. Plambeck and J. Wardle and K. Akiyama and K. Asada and C. Beaudoin and L. Blackburn and R. Blundell and G. Bower and C. Brinkerink and A. Broderick and R. Cappallo and A. Chael and G. Crew and J. Dexter and M. Dexter and R. Freund and P. Friberg and R. Gold and M. Gurwell and P. Ho and M. Honma and M. Inoue and Michael Kosowsky and T. Krichbaum and J. Lamb and A. Loeb and R. Lu and D. Macmahon and J. Mckinney and J. Moran and R. Narayan and R. Primiani and D. Psaltis and A. Rogers and K. Rosenfeld and J. Soohoo and R. Tilanus and M. Titus and L. Vertatschitsch and J. Weintroub and M. Wright and K. Young and J. Zensus and L. Ziurys},
  journal={Science},
  year={2015},
  volume={350},
  pages={1242 - 1245}
}
Magnetic fields near the event horizon Astronomers have long sought to examine a black hole's event horizon—the boundary around the black hole within which nothing can escape. Johnson et al. used sophisticated interferometry techniques to combine data from millimeter-wavelength telescopes around the world. They measured polarization just outside the event horizon of Sgr A*, the supermassive black hole at the center of our galaxy, the Milky Way. The polarization is a signature of ordered… Expand
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