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Evidence for shock-heated gas in the Taffy Galaxies and Bridge from Optical Emission-Line IFU spectroscopy
Bhavin A. Joshi, Philip N. Appleton, Guillermo A. Blanc +7
We present optical IFU observations of the Taffy system (UGC 12914/15); named for the radio emission that stretches between the two galaxies. Given that these gas rich galaxies are…
Jet-related Excitation of the [CII] Emission in the Active Galaxy NGC 4258 with SOFIA
Philip Appleton, Tanio Diaz-Santos, Dario Fadda +7
We detect widespread [CII]157.7um emission from the inner 5 kpc of the active galaxy NGC 4258 with the SOFIA integral field spectrometer FIFI-LS. The emission is found associated w…
Science with an ngVLA: Radio Jet-ISM Feedback on Sub-galactic Scales
Kristina Nyland, Dipanjan Mukherjee, Mark Lacy +5
Energetic feedback by active galactic nuclei (AGNs) plays an important evolutionary role in the regulation of star formation (SF) on galactic scales. However, the effects of this f…
Science with an ngVLA: Accreting Supermassive Black Holes in Nearby Low-mass Galaxies
Kristina Nyland, Katherine Alatalo
The ngVLA will facilitate deep surveys capable of detecting the faint and compact signatures of accreting supermassive black holes (SMBHs) with masses below one million solar-masse…
Shocked POststarburst Galaxy Survey. III. The Ultraviolet Properties of SPOGs
Felipe Ardila, Katherine Alatalo, Lauranne Lanz +11
The Shocked POststarburst Galaxy Survey (SPOGS) aims to identify galaxies in the transitional phase between actively star-forming and quiescence with nebular lines that are excited…