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14 papers · 1 filter
X-ray emission from a rapidly accreting narrow-line Seyfert 1 galaxy at z=6.56
Julien Wolf, Kirpal Nandra, Mara Salvato +14
This study aims at identifying luminous quasars at among X-ray-selected sources in the eROSITA Final Equatorial-Depth Survey (eFEDS) in order to place a lower limit on blac…
The first look at Narrow-Line Seyfert 1 Galaxies with eROSITA
G. Grünwald, Th. Boller, S. Rakshit +6
We present the first look at the spectral and timing analysis of Narrow-Line Seyfert 1 Galaxies (NLS1s) with the extended ROentgen Survey with an Imaging Telescope Array (eROSITA)…
The demographics of obscured AGN from X-ray spectroscopy guided by multiwavelength information
Brivael Laloux, Antonis Georgakakis, Carolina Andonie +10
A complete census of Active Galactic Nuclei (AGN) is a prerequisite for understanding the growth of supermassive black holes across cosmic time. A significant challenge toward this…
Comparison of Step Samplers for Nested Sampling
Johannes Buchner
Bayesian inference with nested sampling requires a likelihood-restricted prior sampling method, which draws samples from the prior distribution that exceed a likelihood threshold.…
AGN sub-populations important for black hole mass growth: a rule of thumb
Johannes Buchner
For building the super-massive black hole population within a Hubble time, only sub-populations with more than 10^52 erg/s / L objects on the sky are relevant, where L is the sampl…
Probabilistic Dalek -- Emulator framework with probabilistic prediction for supernova tomography
Wolfgang Kerzendorf, Nutan Chen, Jack O'Brien +2
Supernova spectral time series can be used to reconstruct a spatially resolved explosion model known as supernova tomography. In addition to an observed spectral time series, a sup…