NICMOS Imaging of the Most Luminous Infrared Galaxies

Details NICMOS Imaging of the Most Luminous Infrared Galaxies NICMOS Imaging of the Most Luminous Infrared Galaxies

Dec 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aas...19510409h&link_type=abstract

American Astronomical Society, 195th AAS Meeting, #104.09; Bulletin of the American Astronomical Society, Vol. 31, p.1525

Astronomy and Astrophysics

Astronomy

Scientific paper

High fidelity, NICMOS images are presented of a sample of Hyperluminous and ``Warm'' Ultraluminous Infrared Galaxies, each of which has been shown previously to harbor a luminous QSO. The central regions are red and become more compact with increasing wavelength; the objects contain point-like nuclei at 2.1μ m. The host galaxies show tidal distortions, and 80% reveal nearby companions after point-source subtraction. The companions and tidal distortions suggest that interactions are important in the generation of the enormous infrared luminosities. This work is supported by NASA grant NAG 5-3042. This paper is based on observations with the NASA/ESA Hubble Space Telescope, obtained at the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Inc. under NASA contract NAS5-26555.

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