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The Gas Accretion History of Low Mass Halos within the Cosmic Web from Cosmological Simulations
Kyungwon Chun, Rory Smith, Jihye Shin +2
Using high resolution hydrodynamical cosmological simulations, we study the gas accretion history of low mass halos located in a field-like, low density environment. We track their…
The impact of the dynamical state of galaxy groups on the stellar populations of central galaxies
Mojtaba Raouf, Rory Smith, Habib G. Khosroshahi +4
We study the stellar populations of the brightest group galaxies (BGGs) in groups with different dynamical states, using GAMA survey data. We use two independent, luminosity depend…
Leavers and remainers: Galaxies split by group-exit
Nelvy Choque-Challapa, Rory Smith, Graeme Candlish +2
The disruption of substructure in galaxy clusters likely plays an important role in shaping the cluster population as a significant fraction of cluster galaxies today have spent ti…
Gravitational wave detection without boot straps: a Bayesian approach
Gregory Ashton, Eric Thrane, Rory J. E. Smith
In order to separate astrophysical gravitational-wave signals from instrumental noise, which often contains transient non-Gaussian artifacts, astronomers have traditionally relied…
Massively parallel Bayesian inference for transient gravitational-wave astronomy
Rory Smith, Gregory Ashton, Avi Vajpeyi +1
Understanding the properties of transient gravitational waves and their sources is of broad interest in physics and astronomy. Bayesian inference is the standard framework for astr…
Measuring the neutron star equation of state with gravitational waves: the first forty binary neutron star mergers
Francisco Hernandez Vivanco, Rory Smith, Eric Thrane +3
Gravitational waves from binary neutron star coalescences contain rich information about matter at supranuclear densities encoded by the neutron star equation of state. We can meas…
Cosmological Simulations of Satellites around Isolated Dwarf Galaxies
Kyungwon Chun, Jihye Shin, Rory Smith +1
We trace the cosmological origin of satellites around a dwarf galaxy using a very high resolution (12~pc/h) cosmological hydrodynamic zoom simulation. To realistically describe the…
Stellar populations of nine passive spiral galaxies from the CALIFA survey: are they progenitors of S0s?
Mina Pak, Joon Hyeop Lee, Hyunjin Jeong +3
We investigate the stellar population properties of passive spiral galaxies in the CALIFA survey. Nine spiral galaxies that have NUV-r > 5 and no/weak nebular emission lines in the…
Investigating the Stellar Mass Growth Histories of Satellite Galaxies as a Function of Infall Time using Phase-Space
Rory Smith, Camilla Pacifici, Anna Pasquali +1
We compile a large sample of nearby galaxies that are satellites of hosts using a well known SDSS group catalogue. From this sample, we create an `ancient infallers' and `recent in…
Parallelized Inference for Gravitational-Wave Astronomy
Colm Talbot, Rory Smith, Eric Thrane +1
Bayesian inference is the workhorse of gravitational-wave astronomy, for example, determining the mass and spins of merging black holes, revealing the neutron star equation of stat…
Accelerated detection of the binary neutron star gravitational-wave background
Francisco Hernandez Vivanco, Rory Smith, Eric Thrane +1
Most gravitational-wave signals from binary neutron star coalescences are too weak to be individually resolved with current detectors. We demonstrate how to extract a population of…