Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991aj....101..410s&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 101, Feb. 1991, p. 410-433, 743-745.
Astronomy and Astrophysics
Astronomy
11
Active Galaxies, Interacting Galaxies, Visual Observation, Active Galactic Nuclei, Astronomical Catalogs, Astronomical Photometry, Charge Coupled Devices, Color-Color Diagram, Radio Emission
Scientific paper
As part of an investigation into the triggering of nuclear radio emission in interacting galaxies, new multicolor, broadband data are presented from a subset of Arp-Madore Catalog galaxies selected on the basis of their optical morphology - systems with loops and/or tails. The CTIO 4 m is used to obtain images in B, V, R, and I for the purpose of performing synthetic aperture photometry. Isophotal ellipse fitting to the more regular objects in the sample is also performed to quantify their isophotal deviation from purely elliptical morphologies. Color index maps for the galaxies are constructed, and the optical morphologies, broadband colors, and detailed photometric properties as well as the IRAS fluxes for the galaxies are discussed. These data are used to obtain a rough measure of the level of activity present in these systems.
Hintzen Paul
Smith Eric P.
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