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The Probability Distribution of the Double Neutron Star Coalescence Rate and Predictions for More Detections
Vassiliki Kalogera, Chunglee Kim, Duncan R. Lorimer
We present an analysis method that allows us to estimate the Galactic formation of radio pulsar populations based on their observed properties and our understanding of survey selec…
The Role of Helium Stars in the Formation of Double Neutron Stars
N. Ivanova, K. Belczynski, V. Kalogera +2
We have calculated the evolution of 60 model binary systems consisting of helium stars in the mass range of M_He= 2.5-6Msun with a 1.4Msun neutron star companion to investigate the…
Searching for Gravitational Waves from the Inspiral of Precessing Binary Systems: Problems with Current Waveforms
P. Grandclement, V. Kalogera, A. Vecchio
We consider the problem of searching for gravitational waves emitted during the inspiral phase of binary systems when the orbital plane precesses due to relativistic spin-orbit cou…
The Probability Distribution of Binary Pulsar Coalescence Rates. I. Double Neutron Star Systems in the Galactic Field
C. Kim, V. Kalogera, D. R. Lorimer
Estimates of the Galactic coalescence rate (R) of close binaries with two neutron stars (NS-NS) are known to be uncertain by large factors (about two orders of magnitude) mainly du…
Helium-Core White Dwarfs in Globular Clusters
Brad Hansen, Vassiliki Kalogera, Frederic A. Rasio
We examine the theoretical implications of a population of low-mass helium-core white dwarfs in globular clusters. In particular, we focus on the observed population in the core of…
Merger Sites of Double Neutron Stars and their Host Galaxies
Krzysztof Belczynski, Tomasz Bulik, Vassiliki Kalogera
Using the StarTrack population synthesis code we analyze the formation channels possibly available to double neutron star binaries and find that they can be richer than previously…