Are QSOs activated by interactions between galaxies?

Details Are QSOs activated by interactions between galaxies? Are QSOs activated by interactions between galaxies?

Jun 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983natur.303..584h&link_type=abstract

Nature (ISSN 0028-0836), vol. 303, June 16, 1983, p. 584-588.

Other

80

Interacting Galaxies, Quasars, Spiral Galaxies, Astronomical Spectroscopy, Galactic Clusters, High Resolution, Red Shift, Spatial Distribution, Spectral Resolution

Scientific paper

In a sample of 45 quasistellar objects (QSOs) with redshift 0.62 or less, a large fraction (more than 30 percent) appear to be currently interacting with another galaxy. All but three of the QSOs reside within nebulosity interpreted as a surrounding galaxy and about one-third have spiral galaxy characteristics. About one-third appear to reside in clusters or small groups of galaxies. The present observations support the view that the QSO phenomenon is fundamentally linked to interactions between galaxies in clusters or smaller groups.

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