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21-cm Signal from the Epoch of Reionization: A Machine Learning upgrade to Foreground Removal with Gaussian Process Regression
Anshuman Acharya, Florent Mertens, Benedetta Ciardi +7
In recent years, a Gaussian Process Regression (GPR) based framework has been developed for foreground mitigation from data collected by the LOw-Frequency ARray (LOFAR), to measure…
SPICE: the connection between cosmic reionisation and stellar feedback in the first galaxies
Aniket Bhagwat, Tiago Costa, Benedetta Ciardi +2
We present SPICE, a new suite of RHD cosmological simulations targeting the epoch of reionisation. The goal of these simulations is to systematically probe a variety of stellar fee…
Cosmic variance suppression in radiation-hydrodynamic modeling of the reionization-era 21-cm signal
Anshuman Acharya, Enrico Garaldi, Benedetta Ciardi +1
The 21-cm line emitted by neutral hydrogen is the most promising probe of the Epoch of Reionization (EoR). Multiple radio interferometric instruments are on the cusp of detecting i…
Physically motivated modeling of LyC escape fraction during reionization
Ivan Kostyuk, Benedetta Ciardi, Andrea Ferrara
Aims: We present an analysis of the Lyman continuum (LyC) escape fraction of high redshift galaxies using an analytic post-processing approach. Methods: We apply the model to 600,0…
POLAR -- I: linking the 21-cm signal from the epoch of reionization to galaxy formation
Qing-Bo Ma, Raghunath Ghara, Benedetta Ciardi +5
To self-consistently model galactic properties, reionization of the intergalactic medium, and the associated 21-cm signal, we have developed the algorithm polar by integrating the…