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89 papers
Gammapy: A Python package for gamma-ray astronomy
Axel Donath, Régis Terrier, Quentin Remy +42
In this article, we present Gammapy, an open-source Python package for the analysis of astronomical -ray data, and illustrate the functionalities of its first long-term-support…
Pulse Profile Modelling of Thermonuclear Burst Oscillations II: Handling variability
Yves Kini, Tuomo Salmi, Serena Vinciguerra +6
Pulse profile modelling is a relativistic ray-tracing technique that can be used to infer masses, radii and geometric parameters of neutron stars. In a previous study, we looked at…
The incidence of AGN in galaxies with different stellar population ages
Q. Ni, J. Aird, A. Merloni +4
It has been argued that recycled gas from stellar mass loss in galaxies might serve as an important fuelling source for black holes (BHs) in their centers. Utilizing spectroscopic…
1991T-Like Type Ia Supernovae as an Extension of the Normal Population
John T. O'Brien, Wolfgang E. Kerzendorf, Andrew Fullard +7
Type Ia supernovae remain poorly understood despite decades of investigation. Massive computationally intensive hydrodynamic simulations have been developed and run to model an eve…
The eROSITA Final Equatorial Depth Survey (eFEDS): Complex absorption and soft excesses in hard X-ray--selected active galactic nuclei
Sophia G. H. Waddell, Kirpal Nandra, Johannes Buchner +14
Context. The soft excess, a surplus of X-ray photons above 2 keV with respect to a power law, is a feature of debated physical origin found in the X-ray spectra of many type-1 acti…
The first X-ray look at SMSS J114447.77-430859.3: the most luminous quasar in the last 9 Gyr
E. S. Kammoun, Z. Igo, J. M. Miller +18
SMSS\,J114447.77-430859.3 () has been identified in the SkyMapper Southern Survey as the most luminous quasar in the last . In this paper, we report on the…