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Observations of hydroxyl in early-type galaxies
James McBride, Katherine Alatalo, Kristina Nyland
We used Arecibo Observatory and the Green Bank Telescope to observe OH in twelve early-type galaxies with known reservoirs of dense gas. We present three new detections of OH in ab…
Accretion-Inhibited Star Formation in the Warm Molecular Disk of the Green-valley Elliptical Galaxy NGC 3226
P. N. Appleton, C. Mundell, T. Bitsakis +7
We present archival Spitzer photometry and spectroscopy, and Herschel photometry, of the peculiar "Green Valley" elliptical galaxy NGC~3226. The galaxy, which contains a low-lumino…
Suppression of Star Formation in NGC 1266
K. Alatalo, M. Lacy, L. Lanz +11
NGC1266 is a nearby lenticular galaxy that harbors a massive outflow of molecular gas powered by the mechanical energy of an active galactic nucleus (AGN). It has been speculated t…
The Atlas3D project -- XXIX. The new look of early-type galaxies and surrounding fields disclosed by extremely deep optical images
Pierre-Alain Duc, Jean-Charles Cuillandre, Emin Karabal +24
Galactic archeology based on star counts is instrumental to reconstruct the past mass assembly of Local Group galaxies. The development of new observing techniques and data-reducti…
Catching Quenching Galaxies: The Nature of the WISE Infrared Transition Zone
Katherine Alatalo, Sabrina L. Cales, Philip N. Appleton +5
We present the discovery of a prominent bifurcation between early-type galaxies and late-type galaxies, in [4.6]-[12] micron colors from the Wide Field Infrared Survey Explorer (WI…
A Herschel and CARMA view of CO and [C II] in Hickson Compact groups
Katherine Alatalo, Philip N. Appleton, Ute Lisenfeld
Understanding the evolution of galaxies from the starforming blue cloud to the quiescent red sequence has been revolutionized by observations taken with Herschel Space Observatory,…