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High‐Resolution Tip/Tilt Near‐Infrared Imaging of Warm Ultraluminous Infrared Galaxies
1999
Astrophysical Journal
We present high spatial resolution H and K'-band images of a complete sample of ultraluminous infrared galaxies selected to have warm mid-infrared colors known to be characteristic of active galaxies. The extended underlying galaxy is detected in each system, as are tidal features and many of the star-forming knots seen at optical wavelengths. While some of these knots have a considerable near-infrared excess, we show that they are likely to have bolometric luminosities more similar to that of
doi:10.1086/306737
fatcat:5zm2s7fnybaevlfkn5b4sbrq5u