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A proto-pseudobulge in ESO 320-G030 fed by a massive molecular inflow driven by a nuclear bar
Eduardo González-Alfonso, Miguel Pereira-Santaella, Jacqueline Fischer +10
Galaxies with nuclear bars are believed to efficiently drive gas inward, generating a nuclear starburst and possibly an active galactic nucleus (AGN). We confirm this scenario for…
Rapid Variability of Sgr A* across the Electromagnetic Spectrum
G. Witzel, G. Martinez, S. P. Willner +17
Sagittarius A* (Sgr A*) is the variable radio, near-infrared (NIR), and X-ray source associated with accretion onto the Galactic center black hole. We have analyzed a comprehensive…
Characterizing [C II] Line Emission In Massive Star Forming Clumps
James M. Jackson, David Allingham, Nicholas Killerby-Smith +7
Because the 157.74 micron [C II] line is the dominant coolant of star-forming regions, it is often used to infer the global star-formation rates of galaxies. By characterizing the…
The AGN contribution to the UV-FIR luminosities of interacting galaxies and its role in identifying the Main Sequence
Andrés F. Ramos P., M. L. N. Ashby, Howard A. Smith +5
Emission from active galactic nuclei (AGNs) is known to play an important role in the evolution of many galaxies including luminous and ultraluminous systems (U/LIRGs), as well as…
ALMA observations of NGC 6334S I: Forming massive stars and cluster in subsonic and transonic filamentary clouds
Shanghuo Li, Qizhou Zhang, Hauyu Baobab Liu +11
We present Atacama Large Millimeter/submillimeter Array (ALMA) and Karl G. Jansky Very Large Array (JVLA) observations of the massive infrared dark cloud NGC 6334S (also known as I…
Optical spectroscopic observations of gamma-ray blazar candidates. X. Results from the 2018--2019 SOAR and OAN-SPM observations of blazar candidates of uncertain type
Raniere de Menezes, Raul A. Amaya-Almazán, Ezequiel J. Marchesini +14
The fourth Fermi Large Area Telescope Source Catalog (4FGL) lists over 5000 gamma-ray sources with statistical significance above 4. About 23% of the sources listed in this cata…