Dept. of Astronomy
Browse Collections of Items
General relativistic radiation magnetohydrodynamics, with applications to black hole accretion disks (2018-04-18)Electron temperatures in the inner region of accretion disks around black holes are set by the balance of advection, viscous heating, and radiative interactions. At the lowest accretion rates, radiative processes may be ...
Observations of disks around the youngest protostars: Characterizing frequency, dust properties, and magnetic fields at the earliest times (2017-09-01)Circumstellar disks are fundamental for accretion and angular momentum distribution during the early phases of star formation. Class 0 objects are the youngest protostars and most embedded in their natal envelopes, and ...
(2017-05-25)This is a study of how the properties of dark matter halos can be used to probe fundamental questions in cosmology. Similar to the inner regions of a halo the outer density profiles of the dark matter halo carry a wealth ...
Extended general relativistic magnetohydrodynamics: Formulation and application to black hole accretion (2016-11-23)One of the long standing problems in accretion disk theory is that concerning black holes that accrete at a rate much lower than the Eddington rate. The plasma that constitutes the disk is in a regime where the Coulomb ...
(2016-07-08)The last 2 decades have seen the proposal, detection, and confirmation of live ^60Fe radioisotopes from an extra-solar source on Earth, showing an event outside the Solar System directly delivered material to the Earth ...