Noncosmological redshifts of spectral lines

Details Noncosmological redshifts of spectral lines Noncosmological redshifts of spectral lines

Mar 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987natur.326..363w&link_type=abstract

Nature (ISSN 0028-0836), vol. 326, March 26, 1987, p. 363-365. NSF-USAF-supported research.

Astronomy and Astrophysics

Astronomy

166

Astronomical Spectroscopy, Line Spectra, Red Shift, Stellar Spectra, Doppler Effect, Quasars, Scaling Laws

Scientific paper

The author showed in a recent report that the normalized spectrum of light will, in general, change on propagation in free space. It was also shown that the normalized spectrum of light emitted by a source of a well-defined class will, however, be the same throughout the far zone if the degree of spectral coherence of the source satisfies a certain scaling law. Here, the author demonstrates that under certain circumstances the modification of the normalized spectrum of the emitted light caused by the correlations between the source fluctuations within the source region can produce redshifts of spectral lines in the emitted light. These results suggest a possible explanation of various puzzling features of the spectra of some stellar objects, particularly quasars.

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