1 code implementation • 5 May 2020 • Francesca Capel, Daniel J. Mortlock, Chad Finley
We present constraints on an astrophysical population of neutrino sources imposed by recent data from the IceCube neutrino observatory.
High Energy Astrophysical Phenomena Instrumentation and Methods for Astrophysics
1 code implementation • 28 Nov 2018 • Daniel J. Mortlock, Stephen M. Feeney, Hiranya V. Peiris, Andrew R. Williamson, Samaya M. Nissanke
Gravitational wave (GW) observations of binary neutron star (BNS) mergers can be used to measure luminosity distances and hence, when coupled with estimates for the mergers' host redshifts, infer the Hubble constant, $H_0$.
Cosmology and Nongalactic Astrophysics
1 code implementation • 15 Nov 2018 • Francesca Capel, Daniel J. Mortlock
We present a Bayesian hierarchical model which enables a joint fit of the ultra-high-energy cosmic ray (UHECR) energy spectrum and arrival directions within the context of a physical model for the UHECR phenomenology.
High Energy Astrophysical Phenomena Instrumentation and Methods for Astrophysics
1 code implementation • 1 Aug 2018 • Axel Widmark, Daniel J. Mortlock, Hiranya V. Peiris
With such a large data set, it is possible to infer properties of the WD population using only astrometric and photometric information.
Solar and Stellar Astrophysics
1 code implementation • 9 Feb 2018 • Stephen M. Feeney, Hiranya V. Peiris, Andrew R. Williamson, Samaya M. Nissanke, Daniel J. Mortlock, Justin Alsing, Dan Scolnic
The Hubble constant ($H_0$) estimated from the local Cepheid-supernova (SN) distance ladder is in 3-$\sigma$ tension with the value extrapolated from cosmic microwave background (CMB) data assuming the standard cosmological model.
Cosmology and Nongalactic Astrophysics
1 code implementation • 30 Jun 2017 • Stephen M. Feeney, Daniel J. Mortlock, Niccolò Dalmasso
Estimates of the Hubble constant, $H_0$, from the distance ladder and the cosmic microwave background (CMB) differ at the $\sim$3-$\sigma$ level, indicating a potential issue with the standard $\Lambda$CDM cosmology.
Cosmology and Nongalactic Astrophysics
1 code implementation • 18 Feb 2016 • Boris Leistedt, Daniel J. Mortlock, Hiranya V. Peiris
We illustrate this technique on simulated galaxy survey data, and demonstrate that it delivers correct posterior distributions on the underlying type and redshift distributions, as well as on the individual types and redshifts of galaxies.
Cosmology and Nongalactic Astrophysics