Zobrazeno 31 - 40
of 131
pro vyhledávání: '"Vigna-Gómez, Alejandro"'
Autor:
Vigna-Gómez, Alejandro, MacLeod, Morgan, Neijssel, Coenraad J., Broekgaarden, Floor S., Justham, Stephen, Howitt, George, de Mink, Selma E., Vinciguerra, Serena, Mandel, Ilya
Close double neutron stars have been observed as Galactic radio pulsars, while their mergers have been detected as gamma-ray bursts and gravitational-wave sources. They are believed to have experienced at least one common-envelope episode during thei
Externí odkaz:
http://arxiv.org/abs/2001.09829
Autor:
Howitt, George, Stevenson, Simon, Vigna-Gómez, Alejandro, Justham, Stephen, Ivanova, Natasha, Woods, Tyrone E., Neijssel, Coenraad J., Mandel, Ilya
A class of optical transients known as Luminous Red Novae (LRNe) have recently been associated with mass ejections from binary stars undergoing common-envelope evolution. We use the population synthesis code COMPAS to explore the impact of a range of
Externí odkaz:
http://arxiv.org/abs/1912.07771
Autor:
Lau, Mike Y. M., Mandel, Ilya, Vigna-Gómez, Alejandro, Neijssel, Coenraad J., Stevenson, Simon, Sesana, Alberto
We estimate the properties of the double neutron star (DNS) population that will be observable by the planned space-based interferometer LISA. By following the gravitational radiation driven evolution of DNSs generated from rapid population synthesis
Externí odkaz:
http://arxiv.org/abs/1910.12422
Autor:
Neijssel, Coenraad J., Vigna-Gómez, Alejandro, Stevenson, Simon, Barrett, Jim W., Gaebel, Sebastian M., Broekgaarden, Floor, de Mink, Selma E., Szécsi, Dorottya, Vinciguerra, Serena, Mandel, Ilya
We investigate the impact of uncertainty in the metallicity-specific star formation rate over cosmic time on predictions of the rates and masses of double compact object mergers observable through gravitational waves. We find that this uncertainty ca
Externí odkaz:
http://arxiv.org/abs/1906.08136
We model explosions driven by the coalescence of a black hole or neutron star with the core of its massive-star companion. Upon entering a common envelope phase, a compact object may spiral all the way to the core. The concurrent release of energy is
Externí odkaz:
http://arxiv.org/abs/1906.04189
Autor:
Broekgaarden, Floor S., Justham, Stephen, de Mink, Selma E., Gair, Jonathan, Mandel, Ilya, Stevenson, Simon, Barrett, Jim W., Vigna-Gómez, Alejandro, Neijssel, Coenraad J.
Gravitational-wave observations of double compact object (DCO) mergers are providing new insights into the physics of massive stars and the evolution of binary systems. Making the most of expected near-future observations for understanding stellar ph
Externí odkaz:
http://arxiv.org/abs/1905.00910
Autor:
Stevenson, Simon, Sampson, Matthew, Powell, Jade, Vigna-Gómez, Alejandro, Neijssel, Coenraad J., Szécsi, Dorottya, Mandel, Ilya
A population of binary black hole mergers has now been observed in gravitational waves by Advanced LIGO and Virgo. The masses of these black holes appear to show evidence for a pile-up between $30$--$45$ $M_\odot$ and a cut-off above $\sim 45$ $M_\od
Externí odkaz:
http://arxiv.org/abs/1904.02821
Autor:
Vigna-Gómez, Alejandro, Justham, Stephen, Mandel, Ilya, de Mink, Selma E., Podsiadlowski, Philipp
Interactions between massive stars in binaries are thought to be responsible for much of the observed diversity of supernovae. As surveys probe rarer populations of events, we should expect to see supernovae arising from increasingly uncommon progeni
Externí odkaz:
http://arxiv.org/abs/1903.02135
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Autor:
Vigna-Gómez, Alejandro, Neijssel, Coenraad J., Stevenson, Simon, Barrett, Jim W., Belczynski, Krzysztof, Justham, Stephen, de Mink, Selma E., Müller, Bernhard, Podsiadlowski, Philipp, Renzo, Mathieu, Szécsi, Dorottya, Mandel, Ilya
Double neutron stars (DNSs) have been observed as Galactic radio pulsars, and the recent discovery of gravitational waves from the DNS merger GW170817 adds to the known DNS population. We perform rapid population synthesis of massive binary stars and
Externí odkaz:
http://arxiv.org/abs/1805.07974