A photometric study of NGC 3623, NGC 3627, and NGC 3628

Details A photometric study of NGC 3623, NGC 3627, and NGC 3628 A photometric study of NGC 3623, NGC 3627, and NGC 3628

Apr 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981aj.....86..523b&link_type=abstract

Astronomical Journal, vol. 86, Apr. 1981, p. 523-537.

Astronomy and Astrophysics

Astronomy

30

Astronomical Photometry, Galactic Structure, Gravitational Effects, Infrared Spectra, Spiral Galaxies, Ubv Spectra, Astronomical Maps, Astronomical Photography, Electrophotometers, Galactic Nuclei, Galactic Radiation, Luminosity, Magnitude, Tides, Visual Photometry

Scientific paper

The results of UBVRI photoelectric and calibrated R photographic surface photometry are presented for the galaxies NGC 3623, NGC 3627, and NGC 3628. Structural parameters, calibrated isodensity contour maps, and integrated R magnitudes are given for each galaxy. A number of features of the luminosity profiles and contour maps of the galaxies are shown to be consistent with the tidal models of a gravitational encounter between NGC 3627 and NGC 3628. Although NGC 3623 appears relatively normal, its apparently warped disk and abnormal major-axis profile may indicate that is should also be included in the tidal encounter models.

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