Interacting elliptical galaxies as hosts of intermediate-redshift quasars

Observations of four quasars that were made with the refurbished Hubble Space Telescope are discussed. In all four cases, the quasars reside in luminous elliptical galaxies with very close companions, which is suggestive of continuing interactions.

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Bibliographic Details
Published in:	Nature (London) 1995-07, Vol.376 (6536), p.150-153
Main Authors:	Disney, M. J, Boyce, P. J, Blades, J. C, Boksenberg, A, Crane, P, Deharveng, J. M, Macchetto, F, Mackay, C. D, Sparks, W. B, Phillipps, S
Format:	Article
Language:	eng
Subjects:	Astronomy Astrophysics Black holes (astronomy) Earth, ocean, space Elliptical galaxies Exact sciences and technology Galaxies Hubble Space Telescope Observations Quasars Quasars. Active or peculiar galaxies, objects, and systems Scatter Space telescopes Stellar systems. Galactic and extragalactic objects and systems. The universe Swamps Universe
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Description
Summary:	Observations of four quasars that were made with the refurbished Hubble Space Telescope are discussed. In all four cases, the quasars reside in luminous elliptical galaxies with very close companions, which is suggestive of continuing interactions.
ISSN:	0028-0836 1476-4687