Experiments on the determination of a spiral-structure parameter using the space-spectrum method

Details Experiments on the determination of a spiral-structure parameter using the space-spectrum method Experiments on the determination of a spiral-structure parameter using the space-spectrum method

Feb 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986avtme.......90b&link_type=abstract

Avtometriia (ISSN 0320-7102), Jan.-Feb. 1986, p. 90-92. In Russian.

Astronomy and Astrophysics

Astrophysics

Andromeda Galaxy, Galactic Structure, Image Processing, Spectrum Analysis, Spiral Galaxies, Angular Distribution, Digital Simulation, Galactic Evolution

Scientific paper

The paper examines the feasibility of determining the growth coefficient of a spiral astrophysical structure (e.g., a galaxy) by means of the space-spectrum method using the angular spectrum (AS) of the image of this structure. Relationships are presented defining the AS for different spiral-structure models. Experimental results are presented for the Andromeda Nebula M31. The AS of the spiral structure was determined using coherent-optic and digital-simulation techniques.

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