Optical and infrared surface photometry of NGC 3077

Details Optical and infrared surface photometry of NGC 3077 Optical and infrared surface photometry of NGC 3077

Feb 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...337..658p&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 337, Feb. 15, 1989, p. 658-670. Research supported by NASA.

Astronomy and Astrophysics

Astronomy

19

Astronomical Photometry, Infrared Sources (Astronomy), Peculiar Galaxies, Spiral Galaxies, Brightness Distribution, Charge Coupled Devices, Cosmic Dust, Galactic Nuclei, Star Formation, Ubv Spectra

Scientific paper

Photoelectric U, B, and V, photovoltaic K, and four-filter CCD surface photometry of the small, M81-linked Irr II galaxy NGC 3077 are reported. The observations are compared with data from previous studies, and the mass, density, and optical depth ratios are determined for a prominent dust cloud near the center of the galaxy. These characteristics are found to be similar to those of galactic dust clouds associated with star-formation sites. The observed intensity distribution at various wavelengths indicates that NGC 3077 was an elliptical galaxy before its interaction with M81. During the interaction NGC 3077 acquired the interstellar material which is currently forming stars in its central regions.

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