Gravitational lenses - From Einstein to the double quasar

Details Gravitational lenses - From Einstein to the double quasar Gravitational lenses - From Einstein to the double quasar

Mar 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981tecrv..83...68r&link_type=abstract

Technology Review, vol. 83, Feb.-Mar. 1981, p. 68-78.

Astronomy and Astrophysics

Astronomy

Gravitational Lenses, Quasars, Relativity, Charge Coupled Devices, Cosmology, Mass Distribution, Point Sources, Radio Astronomy, Ultraviolet Radiation, Very Large Array (Vla)

Scientific paper

The background to quasar research is presented in light of Einstein's theories. The discovery of the 'double' quasar 0957 and 561 A, B possible models for its characterization are discussed based on data obtained from the Very Large Array (VLA) radio telescope and the Charge-Coupled Device (CCD). It is noted that the brightness ratio of A to B at ultraviolet wavelengths is consistent with measurements at other wavelengths in accordance with the general-relativistic model of a gravitational lens.

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