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Molecular Gas and Nuclear Activity in Ultraluminous Infrared Galaxies with Double Nuclei
A. S. Evans, J. M. Mazzarella, J. A. Surace +1
High-resolution CO(1-0) observations of five ultraluminous infrared galaxies (ULIGs: L_IR [8-1000um] >~ 10^12 L_sun) with double nuclei are analyzed. These sources constitute a com…
Extreme Galactic-Winds and Starburst in IR Mergers and IR QSOs
S. Lipari, D. Sanders, R. Terlevich +8
We report -as a part of a long-term study of mergers and IR QSOs- detailed spectroscopic evidences for outflow (OF) and/or Wolf Rayet features in: (i) low velocity OF in the ongoin…
High Resolution Optical/Near-Infrared Imaging of Cool Ultraluminous Infrared Galaxies
J. A. Surace, D. B. Sanders, A. S. Evans
We present high spatial resolution (FWHM 0.3-0.8") BIHK'-band imaging of a sample of ultraluminous infrared galaxies with "cool" mid-infrared colors (f25/f60 < 0.2) which select ag…
Molecular Gas in the Powerful Radio Nucleus of the Ultraluminous Infrared Galaxy PKS 1345+12
A. S. Evans, D. -C. Kim, J. M. Mazzarella +2
Millimeter CO(1-0) interferometry and high resolution, Hubble Space Telescope (HST) 1.1, 1.6, and 2.2 micron imaging of the radio compact galaxy PKS 1345+12 are presented. With an…
New Near-Infrared Spectroscopy of the High Redshift Quasar B 1422+231 at z=3.62
T. Murayama, Y. Taniguchi, A. S. Evans +4
We present new near-infrared (rest-frame UV-to-optical) spectra of the high redshift, gravitationally lensed quasar B 1422+231 (z=3.62). Diagnostic emission lines of FeII, [OIII]50…
High Resolution Tip/Tilt Near-Infrared Imaging of Warm Ultraluminous Infrared Galaxies
Jason A. Surace, D. B. Sanders
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…