Morphology of nine galaxies with ultraviolet continuum and double and multiple nuclei

Details Morphology of nine galaxies with ultraviolet continuum and double and multiple nuclei Morphology of nine galaxies with ultraviolet continuum and double and multiple nuclei

Apr 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981afz....17..231k&link_type=abstract

(Astrofizika, vol. 17, Apr.-June 1981, p. 231-238.) Astrophysics, vol. 17, no. 2, Oct. 1981, p. 121-128. Translation.

Astronomy and Astrophysics

Astronomy

25

Galactic Nuclei, Galactic Structure, Ultraviolet Astronomy, Astronomical Maps, Continuous Radiation, Galactic Radiation, Morphology, Spiral Galaxies

Scientific paper

Formal criteria for recognizing nuclei and multiple nuclei, as well as the results of morphological and isodensitometric investigations, are used to interpret the nature of the nuclei of nine galaxies with ultraviolet continuum, for which a complicated nuclear structure has been noted. The following are presented for each galaxy with ultraviolet continuum: the radial velocity, the absolute brightness, the apparent photographic magnitude of the individual brightness concentrations, the absolute photographic magnitude of the concentrations, their sizes, and their mutual separations in arcsec or in kiloparsecs. It is shown that out of the nine galaxies considered, seven were identified as two-nucleus galaxies (Markarian 19, 104, 324, 463, 823, 930, and 1027) and one as a multinuclear (three) structure: Markarian 273; Markarian 799 is either a two-nucleus galaxy with an unusual morphology or a very close pair of spirals.

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