Detail View: NASA Chandra Space Telescope Collection:
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Name:
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Mkn 421: Lost and Found: X-ray Telescope Locates Missing Matter
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Release Date:
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February 02, 2005
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Credit:
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Spectrum: NASA/SAO/CXC/F.Nicastro et al.; Illustration: CXC/M.Weiss
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Category:
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Quasars & Active Galaxies, Cosmology/Deep Fields/X-ray Background
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Coordinates (J2000):
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RA 11h 04m 27.30s | Dec +38° 12' 31.80
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Constellation:
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Ursa Major
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Instrument:
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HRC-LETG , ACIS-LETG
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Also Known As:
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Mrk 421
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Distance Estimate:
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About 400 million light years
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Reference:
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F. Nicastro et al., 2005, Nature, (Feb. 3 issue); also astro-ph/0412378
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facet_what:
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Ursa Major
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facet_where:
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Washington, D.C.
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facet_when:
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February 02, 2005
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facet_when_year:
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2005
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UID:
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SPD-CHAND-photo/2005/mkn421/mkn421_ill_spec.tif
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original url:
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http://chandra.harvard.edu/photo/2005/mkn421/index.html
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