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The Diverse Population of ULIRGs

K. D. Borne, S. Arribas, H. Bushouse, L. Colina, R. A. Lucas

astro-pharXiv:astro-ph/0009361

Abstract

We present results from an on-going Hubble Space Telescope (HST) survey of a large sample of ULIRGs (Ultra-Luminous IR Galaxies). New ground-based observations are now being used to complement the HST data and to assist in the interpretation of these complex objects. A rich spectroscopic, morphological, and dynamical diversity is found within the ULIRG population, nearly 100% of which are merger and/or collision remnants. The consequences of this diversity may apply to the interpretation of distant submm/FIR sources and their subsequent evolution.

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