Alignment of radio and optical orientations in high-redshift radio galaxies

Details Alignment of radio and optical orientations in high-redshift radio galaxies Alignment of radio and optical orientations in high-redshift radio galaxies

Oct 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987natur.329..604c&link_type=abstract

Nature (ISSN 0028-0836), vol. 329, Oct. 15, 1987, p. 604-606.

Mathematics

Logic

369

Astronomical Spectroscopy, Radio Galaxies, Radio Spectra, Red Shift, Spectrum Analysis, Visible Spectrum, Alignment, Charge Coupled Devices, Very Large Array (Vla)

Scientific paper

The results of a VLA radio and CCD optical imaging survey of ultrasteep spectrum radio sources are reported which confirm their association with faint and presumably distant galaxies. These galaxies have an almost universal alignment between the major axis of the optical emission and the radio axis. Such a strong relationship between the radio emission and the large-scale optical properties of the galaxies suggests that high-redshift radio galaxies are fundamentally different from their low-redshift counterparts. This has important consequences for current ideas on the nature of high-redshift radio galaxies and the cosmological work based upon them.

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