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The Atacama Cosmology Telescope: Systematic Transient Search of Single Observation Maps
Emily K. Biermann, Yaqiong Li, Sigurd Naess +24
We conduct a systematic search for astrophysical transients using data from the Atacama Cosmology Telescope (ACT). The data were taken from 2017 to 2022 in three frequency bands sp…
X-ray observations of the Zwicky 3146 galaxy cluster reveal a 3.5 keV excess
Sunayana Bhargava, Paul Giles, Kathy Romer +3
In this note, we present spectral fits of the well-documented sloshing cool-core cluster Zwicky 3146 (), to test the existence of the highly speculated 3.5 keV line. We re…
The Atacama Cosmology Telescope: Flux Upper Limits from a Targeted Search for Extragalactic Transients
Carlos Hervías-Caimapo, Sigurd Naess, Adam D. Hincks +20
We have performed targeted searches of known extragalactic transient events at millimetre wavelengths using nine seasons (2013--2021) of 98, 150, and 229\,GHz Atacama Cosmology Tel…
A Multiwavelength Dynamical State Analysis of ACT-CL J0019.6+0336
Denisha S. Pillay, David J. Turner, Matt Hilton +8
In our study, we show a multiwavelength view of ACT-CL J0019.6+0336 (which hosts a radio halo), to investigate the cluster dynamics, morphology, and ICM. We use a combination of XM…