2 code implementations • 29 Jul 2020 • Kevin Spencer McCarthy, Zheng Zheng, Enrico Ramirez-Ruiz
Using a catalogue of local galaxies with inferred star formation histories and adopting a BNSM delay time distribution (DTD) model, we investigate the dependence of BNSM rate on an array of galaxy properties.
Astrophysics of Galaxies
1 code implementation • 29 Oct 2019 • Soumi De, Morgan MacLeod, Rosa Wallace Everson, Andrea Antoni, Ilya Mandel, Enrico Ramirez-Ruiz
We demonstrate that the mass and spin accrued by these black holes per unit orbital tightening are directly related to the ratio of accretion to drag coefficients.
Solar and Stellar Astrophysics High Energy Astrophysical Phenomena
no code implementations • 11 Jul 2017 • Jill P. Naiman, Annalisa Pillepich, Volker Springel, Enrico Ramirez-Ruiz, Paul Torrey, Mark Vogelsberger, Rüdiger Pakmor, Dylan Nelson, Federico Marinacci, Lars Hernquist, Rainer Weinberger, Shy Genel
To this end we use the magnesium to iron ratio as a proxy for the effects of our SNII and SNIa metal return prescription, and a means to compare our simulated abundances to a wide variety of galactic observations.
Astrophysics of Galaxies