Radio observations of a candidate cosmic string gravitational lens

Details Radio observations of a candidate cosmic string gravitational lens Radio observations of a candidate cosmic string gravitational lens

Jun 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...356...57h&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 356, June 10, 1990, p. 57-61.

Astronomy and Astrophysics

Astrophysics

8

Cosmology, Gravitational Lenses, Radio Galaxies, Charge Coupled Devices, Emission Spectra, Interacting Galaxies, Red Shift, Relic Radiation, Universe, Very Large Array (Vla)

Scientific paper

The twin-galaxies field was tentatively suggested by Cowie and Hu (1987) as a candidate for gravitational lensing by a cosmic string. Observations of the field were made at a wavelength of 20 cm with the A array of the VLA. Radio emission was detected, apparently associated with one galaxy of one of the pairs. The power and morphology are typical of a common class of radio sources, and there is nothing unusual about the properties of the radio emission to suggest that it is influenced by gravitational lensing or due to emission from the cosmic string itself.

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