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Gravitational waves from resolvable massive black hole binary systems and observations with Pulsar Timing Arrays
A. Sesana, A. Vecchio, M. Volonteri
Massive black holes are key components of the assembly and evolution of cosmic structures and a number of surveys are currently on-going or planned to probe the demographics of the…
Search for Gravitational Wave Bursts from Soft Gamma Repeaters
LIGO Scientific Collaboration, S. Barthelmy, N. Gehrels +2
We present the results of a LIGO search for short-duration gravitational waves (GWs) associated with Soft Gamma Repeater (SGR) bursts. This is the first search sensitive to neutron…
The solar chromosphere at high resolution with IBIS. II. Acoustic shocks in the quiet internetwork and the role of magnetic fields
A. Vecchio, G. Cauzzi, K. P. Reardon
(Abridged) Aims: We characterize the dynamics of the quiet inter-network chromosphere by studying the occurrence of acoustic shocks and their relation with the concomitant photosph…
The stochastic gravitational-wave background from massive black hole binary systems: implications for observations with Pulsar Timing Arrays
Alberto Sesana, Alberto Vecchio, Carlo Nicola Colacino
Massive black hole binary systems, with masses in the range ~10^4-10^10 \msun, are among the primary sources of gravitational waves in the frequency window ~10^-9 Hz - 0.1 Hz. Puls…
Gravitational-Wave Astronomy with Inspiral Signals of Spinning Compact-Object Binaries
M. V. van der Sluys, C. Roever, A. Stroeer +6
Inspiral signals from binary compact objects (black holes and neutron stars) are primary targets of the ongoing searches by ground-based gravitational-wave interferometers (LIGO, V…
The solar chromosphere at high resolution with IBIS. I. New insights from the Ca II 854.2 nm line
G. Cauzzi, K. P. Reardon, H. Uitenbroek +7
(Abridged) Aims: In this paper, we seek to establish the suitability of imaging spectroscopy performed in the Ca II 854.2 nm line as a means to investigate the solar chromosphere a…