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Star formation in quasar hosts and the origin of radio emission in radio-quiet quasars
Nadia L. Zakamska, Kelly Lampayan, Andreea Petric +11
Radio emission from radio-quiet quasars may be due to star formation in the quasar host galaxy, to a jet launched by the supermassive black hole, or to relativistic particles accel…
Distribution of Faint Atomic Gas in Hickson Compact Groups
Sanchayeeta Borthakur, Min S. Yun, Lourdes Verdes-Montenegro +3
We present 21cm HI observations of four Hickson Compact Groups with evidence for a substantial intragroup medium using the Robert C. Byrd Green Bank Telescope (GBT). By mapping H I…
The Systematic Properties of the Warm Phase of Starburst-Driven Galactic Winds
Timothy M. Heckman, Rachel M. Alexandroff, Sanchayeeta Borthakur +2
Using ultra-violet absorption-lines, we analyze the systematic properties of the warm ionized phase of starburst-driven winds in a sample of 39 low-redshift objects that spans broa…
A Transition Mass in the Local Tully-Fisher Relation
Raymond C. Simons, Susan A. Kassin, Benjamin J. Weiner +5
We study the stellar mass Tully-Fisher relation (TFR, stellar mass versus rotation velocity) for a morphologically blind selection of emission line galaxies in the field at redshif…
HST/WFC3 Observations of an Off-Nuclear Superbubble in Arp 220
Kelly E. Lockhart, Lisa J. Kewley, Jessica R. Lu +9
We present a high spatial resolution optical and infrared study of the circumnuclear region in Arp 220, a late-stage galaxy merger. Narrowband imaging using HST/WFC3 has resolved t…
Spatially Resolved Spitzer-IRS Spectral Maps of the Superwind in M82
P. Beirão, L. Armus, M. D. Lehnert +12
We have mapped the superwind/halo region of the nearby starburst galaxy M82 in the mid-infrared with . The spectral regions covered include the H, [NeII]…