Astronomy and Astrophysics – Astronomy
Scientific paper
May 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983natur.303..156s&link_type=abstract
Nature (ISSN 0028-0836), vol. 303, May 12, 1983, p. 156-158. Research supported by the Science and Engineering Research Council.
Astronomy and Astrophysics
Astronomy
26
Emission Spectra, Quasars, Red Shift, Astronomical Photography, Schmidt Telescopes, Spectrum Analysis
Scientific paper
The paper reports the discovery of a quasar of redshift 3.61 detected in a broad band survey of stars using COSMOS measurements of UK Schmidt Telescope (UKST) photographs. The identification of the object as a quasar was confirmed by spectroscopic observations made with the Anglo-Australian Telescope (AAT). The quasar's redshift is the second highest so far detected and the highest for a quasar discovered using purely optical techniques. The search for DHM0054-284 is described and it is suggested that the methods provide an efficient way of finding more high-redshift quasars.
Boyle Brian J.
Fong Richard
Shanks Tom
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