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Star Formation Suppression in Compact Group Galaxies: A New Path to Quenching?
K. Alatalo, P. N. Appleton, U. Lisenfeld +16
We present CO(1-0) maps of 12 warm H-selected Hickson Compact Groups (HCGs), covering 14 individually imaged warm H bright galaxies, with CARMA. We found a variety of molec…
Galaxy Mergers Drive Shocks: an Integral Field Study of GOALS galaxies
J. A. Rich, L. J. Kewley, M. A. Dopita
We present an integral field spectroscopic study of radiative shocks in 27 nearby ultraluminous and luminous infrared galaxies (U/LIRGs) from the Great Observatory All-sky LIRG Sur…
The physics and kinematics of the evolved, interacting planetary nebula PN G342.0-01.7
Alaa Ali, Morsi A. Amer, M. A. Dopita +2
Here we aim to study the physical and kinematical characteristics of the unstudied old planetary nebula (PN) PN G342.0-01.7, which shows evidence of interaction with its surroundin…
A rise in the ionizing photons in star-forming galaxies over the past 5 billion years
Lisa J. Kewley, H. Jabran Zahid, Margaret J. Geller +3
We investigate the change in ionizing photons in galaxies between 0.2<z<0.6 using the F2 field of the SHELS complete galaxy redshift survey. We show, for the first time, that while…
The WiFeS S7 AGN survey: Current status and recent results on NGC 6300
J. Scharwächter, M. A. Dopita, P. Shastri +14
The Siding Spring Southern Seyfert Spectroscopic Snapshot Survey (S7) is a targeted survey probing the narrow-line regions (NLRs) of a representative sample of ~140 nearby (z<0.02)…
Galaxy Interactions in Compact Groups II: abundance and kinematic anomalies in HCG 91c
F. P. A. Vogt, M. A. Dopita, S. Borthakur +4
Galaxies in Hickson Compact Group 91 (HCG 91) were observed with the WiFeS integral field spectrograph as part of our ongoing campaign targeting the ionized gas physics and kinemat…