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A Machine Learning Approach to Galactic Emission-Line Region Classification
Carter Lee Rhea, Laurie Rousseau-Nepton, Ismael Moumen +13
Diagnostic diagrams of emission-line ratios have been used extensively to categorize extragalactic emission regions; however, these diagnostics are occasionally at odds with each o…
Forming Stars in a Dual AGN Host: Molecular and Ionized Gas in the Nearby, Luminous Infrared Merger, Mrk 266
Damien Beaulieu, Andreea Petric, Carmelle Robert +5
We present star formation rates based on cold and ionized gas measurements of Mrk 266 (NGC 5256), a system composed of two colliding gas-rich galaxies, each hosting an active galac…
Stellar feedback in M83 as observed with MUSE -- II. Analysis of the HII region population: ionisation budget and pre-SN feedback
Lorenza Della Bruna, Angela Adamo, Anna F. McLeod +11
We study pre-supernova feedback in a sample of 4700 HII regions in the nearby spiral galaxy M83, identified on their H emission. We pectroscopically identify Wolf-Rayet (…
WISDOM project -- XI. Star Formation Efficiency in the Bulge of the AGN-host Galaxy NGC 3169 with SITELLE and ALMA
Anan Lu, Hope Boyce, Daryl Haggard +19
The star formation efficiency (SFE) has been shown to vary across different environments, particularly within galactic starbursts and deep within the bulges of galaxies. Various qu…
Stellar feedback in M83 as observed with MUSE -- I. Overview, an unprecedented view of the stellar and gas kinematics and evidence of outflowing gas
Lorenza Della Bruna, Angela Adamo, Philippe Amram +14
We present a large VLT/MUSE mosaic (3.8 x 3.8 kpc) of the nearby spiral galaxy M83, with a spatial resolution ~20 pc. We obtained the kinematics of the stars and ionised gas, and c…
O CAESAR: The Optical CAtalogue of Extragalactic SupernovA Remnants
I. Moumen, C. Robert, D. Devost +6
We present O CAESAR, the Optical CAtalogue of Extragalactic SupernovA Remnants. O CAESAR will provide the largest homogeneous optical survey of extragalactic SNR candidates taken b…