The amorphous galaxy NGC 3448. I - Photometry, dynamics, and modeling

Details The amorphous galaxy NGC 3448. I - Photometry, dynamics, and modeling The amorphous galaxy NGC 3448. I - Photometry, dynamics, and modeling

Nov 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986aj.....92.1048n&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 92, Nov. 1986, p. 1048-1067. NSERC-supported research.

Astronomy and Astrophysics

Astronomy

11

Astronomical Photometry, Galactic Structure, Irregular Galaxies, Astronomical Maps, Astronomical Models, Centimeter Waves, Colorimetry, Optical Measurement

Scientific paper

Attention is given to the optical and H I morphology and dynamics, and the modeling, of NGC 3448 in order to deepen current understanding of amorphous-type galaxies. A striking variation of color indices is visible across the face of the galaxy. The VLA is used to perform a complete synthesis of the 21-cm line emission, yielding a morphology that is perturbed by tidal interaction with its dwarf companion. Tidal material appears to be reintegrating with the galaxy and causing the obscuration observed in the optical region.

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