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93 papers · 1 filter
Self-similar energetics in large clusters of galaxies
Francesco Miniati, Andrey Beresnyak
Massive galaxy clusters are filled with a hot, turbulent and magnetized intra-cluster medium. Still forming under the action of gravitational instability, they grow in mass by accr…
Search for Early Gamma-ray Production in Supernovae Located in a Dense Circumstellar Medium with the Fermi LAT
M. Ackermann, I. Arcavi, L. Baldini +108
Supernovae (SNe) exploding in a dense circumstellar medium (CSM) are hypothesized to accelerate cosmic rays in collisionless shocks and emit GeV gamma rays and TeV neutrinos on a t…
Monte Carlo Studies of medium-size telescope designs for the Cherenkov Telescope Array
M. Wood, T. Jogler, J. Dumm +1
We present studies for optimizing the next generation of ground-based imaging atmospheric Cherenkov telescopes (IACTs). Results focus on mid-sized telescopes (MSTs) for CTA, detect…
Probing the role of the galactic environment in the formation of stellar clusters; using M83 as a test bench
Angela Adamo, Diederik Kruijssen, Nate Bastian +2
We present a study of the M83 cluster population, covering the disc of the galaxy between radii of 0.45 and 4.5 kpc. We aim to probe the properties of the cluster population as a f…
Hierarchical Star Formation across the ring galaxy NGC 6503
Dimitrios A. Gouliermis, David Thilker, Bruce G. Elmegreen +25
We present a detailed clustering analysis of the young stellar population across the star-forming ring galaxy NGC 6503, based on the deep HST photometry obtained with the Legacy Ex…
Sizes and Shapes of Young Star Cluster Light Profiles in M83
Jenna E. Ryon, Nate Bastian, Angela Adamo +6
We measure the radii and two-dimensional light profiles of a large sample of young, massive star clusters in M83 using archival HST/WFC3 imaging of seven adjacent fields. We use GA…