Isodensitometry of selected interacting galaxies. I

Details Isodensitometry of selected interacting galaxies. I Isodensitometry of selected interacting galaxies. I

Jul 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984afz....21...49k&link_type=abstract

(Astrofizika, vol. 21, July-Aug. 1984, p. 49-56) Astrophysics (ISSN 0571-7132), vol. 20, no. 4, Jan. 1985, p. 380-386. Translati

Astronomy and Astrophysics

Astrophysics

2

Angular Resolution, Astronomical Photography, Digital Filters, Galactic Structure, Interacting Galaxies, Brightness Distribution, Morphology, Noise Reduction, Radial Velocity, Signal To Noise Ratios, Spiral Galaxies, Star Distribution, Stellar Spectrophotometry

Scientific paper

The results are given of digital filtering of large-scale photographs of interacting galaxies obtained at the prime focus of the 6-m telescope of the Special Astrophysical Observatory. The algorithms used for analysis reduced the strength of the high-frequency noise of the emulsion and raised the angular resolution of the photographs. The results of the processing of the objects are presented in the form of two-dimensional isodensitometric charts, which contain quantitative information about the brightness distribution in the objects. Analysis of the enhanced photographs of the interacting galaxies makes it possible to make more precise the classification of them made earlier by Vorontsov-Vel'iaminov.

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