Northern Local Supervoid
The Northern Local Supervoid is a region of space devoid of rich clusters of galaxies, known as a void. It is the closest supervoid and is located between the Virgo (Local), Coma and Hercules superclusters. On the sky, it is located between Boötes, Virgo, and Serpens Caput constellations. It contains a few small galaxies (primarily spirals) and galaxy clusters, but is mostly empty. The faint galaxies within this void divide the region into smaller voids, which are 3–10 times smaller than the supervoid. The center is located 61 Mpc (199 Mly) away at approximately (15h, +15°) and it is 104 Mpc (339 Mly) in diameter across its narrowest width.
- Lindner, U.; et al. (September 1995). "The structure of supervoids. I. Void hierarchy in the Northern Local Supervoid" (PDF). Astronomy and Astrophysics. 301: 329. arXiv: . Bibcode:1995A&A...301..329L. Retrieved March 5, 2012.
- Einasto, M; Einasto, J.; Tago, E.; Dalton, G. B.; Andernach, H. (1994-07-15). "The Structure of the Universe Traced by Rich Clusters of Galaxies". Monthly Notices of the Royal Astronomical Society. 269: 301–322. Bibcode:1994MNRAS.269..301E. doi:10.1093/mnras/269.2.301.
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