Cepstrum analysis of interfering delayed signals as a tool for detecting gravitational lenses

Details Cepstrum analysis of interfering delayed signals as a tool for detecting gravitational lenses Cepstrum analysis of interfering delayed signals as a tool for detecting gravitational lenses

Apr 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982pazh....8..136a&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 8, Mar. 1982, p. 136-138.) Soviet Astronomy Letters, vol. 8, Mar.-Apr. 1982, p. 70, 71.

Astronomy and Astrophysics

Astronomy

Cepstral Analysis, Gravitational Lenses, Time Lag, Wave Propagation, Power Spectra, Quasars

Scientific paper

Gravitational lenses might be discoverable by measuring the time differential for propagation of radiation from source to observer along different paths, even if the ray trajectories cannot be resolved in angle. To this end, cepstrum analysis may be performed on the intensity variations of individual variable emission sources (such as quasars) at optical and radio wavelengths simultaneously. The method suggested could greatly augment the class of sources serving as candidates for detection of gravitational lenses.

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