Shell colors in the peculiar elliptical galaxy IC 1459

Details Shell colors in the peculiar elliptical galaxy IC 1459 Shell colors in the peculiar elliptical galaxy IC 1459

Apr 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995aj....109.1576f&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 109, no. 4, p. 1576-1581

Other

14

Counter Rotation, Dust, Elliptical Galaxies, Galactic Rotation, Galactic Structure, Kinematics, Peculiar Galaxies, Shell Stars, Stellar Color, Astronomical Models, Charge Coupled Devices, Color Photography, Deposition, Fine Structure

Scientific paper

The giant elliptical galaxy IC 1459 shows a variety of features normally ascribed to a previous encounter with another galaxy, such as a counter-rotating core, nuclear dust lane and an arm-like feature in the emission-line gas. One notable omission from this list was the presence of stellar shells. Here we present deep CCD imaging of IC 1459 taken B, V, and R filters covering 13.5 min X 13.5 min. After careful model subtraction, we have identified several shells and other fine structure around the galaxy. Shell colors have been measured and are found to be similar to the underlying galaxy. We briefly discuss the origin of the shells and other peculiarities of IC 1459.

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