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17 papers · 2 filters
Investigating the Narrow Line Region Dynamics in Nearby Active Galaxies
Beena Meena, D. Michael Crenshaw, Henrique R. Schmitt +7
We present dynamical models of the narrow line region (NLR) outflows in the nearby Seyfert galaxies Mrk 3, Mrk 78, NGC 1068, and NGC 4151 using observations from the Hubble Space T…
The MeerKAT Galaxy Clusters Legacy Survey: star formation in massive clusters at 0.15 < z < 0.35
Kabelo C. Kesebonye, Matt Hilton, Kenda Knowles +5
We investigate dust-unbiased star formation rates (SFR) as a function of the environment in 20 massive clusters () between usi…
Nuclear Activity in the Low Metallicity Dwarf Galaxy SDSS J0944-0038: A Glimpse into the Primordial Universe
Michael Reefe, Shobita Satyapal, Remington O. Sexton +11
Local low metallicity dwarf galaxies are relics of the early universe and hold clues into the origins of supermassive black holes (SMBHs). In recent work, coronal lines have been u…
HST and HSC Weak-lensing Study of the Equal-mass Dissociative Merger CIZA J0107.7+5408
Kyle Finner, Scott W. Randall, M. James Jee +6
A dissociative merger is formed by the interplay of ram pressure and gravitational forces, which can lead to a spatial displacement of the dark matter and baryonic components of th…
Modeling the Extragalactic Background Light and the Cosmic Star Formation History
Justin D. Finke, Marco Ajello, Alberto Dominguez +4
We present an updated model for the extragalactic background light (EBL) from stars and dust, over wavelengths approximately 0.1 to 1000 m. This model uses accurate theoretical…
Mixing Interstellar Clouds Surrounding the Sun
Paweł Swaczyna, Nathan A. Schwadron, Eberhard Möbius +9
On its journey through the Galaxy, the Sun passes through diverse regions of the interstellar medium. High-resolution spectroscopic measurements of interstellar absorption lines in…