64 citations · 223 across the 8 of their papers we have counts for
8 papers
Faint objects in motion: the new frontier of high precision astrometry
Fabien Malbet, Céline Boehm, Alberto Krone-Martins +83
Sky survey telescopes and powerful targeted telescopes play complementary roles in astronomy. In order to investigate the nature and characteristics of the motions of very faint ob…
The SAMI Galaxy Survey: The Low-Redshift Stellar Mass Tully-Fisher Relation
J. V. Bloom, S. M. Croom, J. J. Bryant +22
We investigate the Tully-Fisher Relation (TFR) for a morphologically and kine- matically diverse sample of galaxies from the SAMI Galaxy Survey using 2 dimensional spatially resolv…
Dark matter substructure cannot explain properties of the Fermi Galactic Centre excess
Hamish A. Clark, Pat Scott, Roberto Trotta +1
An excess of gamma rays has been identified at the centre of the Milky Way, and annihilation of dark matter has been posited as a potential source. This hypothesis faces significan…
Heating of galactic gas by dark matter annihilation in ultracompact minihalos
Hamish A. Clark, Nikolas Iwanus, Pascal J. Elahi +2
The existence of substructure in halos of annihilating dark matter would be expected to substantially boost the rate at which annihilation occurs. Ultracompact minihalos of dark ma…
A computational approach to the twin paradox in curved spacetime
Kenneth K. H. Fung, Hamish A. Clark, Geraint F. Lewis +1
Despite being a major component in the teaching of special relativity, the twin `paradox' is generally not examined in courses on general relativity. Due to the complexity of analy…
Ultracompact minihalos as probes of inflationary cosmology
Grigor Aslanyan, Layne C. Price, Jenni Adams +5
Cosmological inflation generates primordial density perturbations on all scales, including those far too small to contribute to the cosmic microwave background. At these scales, is…
Investigating dark matter substructure with pulsar timing: II. Improved limits on small-scale cosmology
Hamish A. Clark, Geraint F. Lewis, Pat Scott
Ultracompact Minihalos (UCMHs) have been proposed as a type of dark matter sub-structure seeded by large-amplitude primordial perturbations and topological defects. UCMHs are expec…
Investigating dark matter substructure with pulsar timing: I. Constraints on ultracompact minihalos
Hamish A. Clark, Geraint F. Lewis, Pat Scott
Small-scale dark matter structure within the Milky Way is expected to affect pulsar timing. The change in gravitational potential induced by a dark matter halo passing near the lin…