Tidal interaction within NGC 520

Details Tidal interaction within NGC 520 Tidal interaction within NGC 520

Apr 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26a....74..110b&link_type=abstract

Astronomy and Astrophysics, vol. 74, no. 1, Apr. 1979, p. 110-112. Research supported by the Consiglio Nazionale delle Ricerche

Astronomy and Astrophysics

Astrophysics

4

Astronomical Photography, Galactic Structure, Infrared Photography, Tides, Galactic Nuclei, Near Infrared Radiation

Scientific paper

Short exposure photographs in blue and near infrared light of the peculiar object NGC 520 reveal features not seen on limiting plates that suggest a new interpretation of its structure. The southern part of the object resembles a spherical galaxy that is approximately bisected by a large and very opaque dust lane. The northern part seems a comet-shaped galaxy with a near stellar nucleus. The presence of these structures is more consistent with a tidal interaction between two galaxies than with an explosive model.

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