Evolution of radio structure in quasars - A new probe of protogalaxies?

Details Evolution of radio structure in quasars - A new probe of protogalaxies? Evolution of radio structure in quasars - A new probe of protogalaxies?

May 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988natur.333..319b&link_type=abstract

Nature (ISSN 0028-0836), vol. 333, May 26, 1988, p. 319-325.

Astronomy and Astrophysics

Astronomy

143

Galactic Evolution, Quasars, Radio Sources (Astronomy), Extragalactic Radio Sources, Red Shift

Scientific paper

Analysis of new high-resolution radio observations of quasars with redshifts greater than 1.5 shows that these powerful extragalactic radio sources have epoch-dependent physical properties. Distant quasars have a more bent, distorted appearance and are smaller than those nearby. The ambient medium, interacting, with the radio jets, is postulated as playing an important role in producing these epoch-dependent effects. Optical absorption line studies are important in this respect. These observations provide an important new probe of young galaxies and their formation.

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