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Markarian 421's Unusual Satellite GalaxyWe present Hubble Space Telescope (HST) imagery, and ground-based spectroscopy and CCD photometry of the active galaxy Markarian 421 and its companion galaxy 14 arcsec to the ENE.
Document ID
20060040821
Acquisition Source
Jet Propulsion Laboratory
Document Type
Reprint (Version printed in journal)
External Source(s)
hdl:2014/17989
Authors
Gorham, P.
Zee, L.
Unwin, S.
Jacobs, C.
Date Acquired
August 23, 2013
Publication Date
January 1, 1999
Publication Information
Publication: Astronomical Journal
Subject Category
Astronomy
Distribution Limits
Public
Copyright
Other
Keywords
BL lacertae objects galaxies-binary galaxies-interacting Markarian 421

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