169 citations · 750 across the 12 of their papers we have counts for
18 papers · 1 filter
Intermittent accreting millisecond pulsars: light houses with broken lamps?
D. Altamirano, P. Casella
Intermittent accreting millisecond X-ray pulsars are an exciting new type of sources. Their pulsations appear and disappear either on timescales of hundreds of seconds or on timesc…
Broad-band X-ray spectral evolution of GX 339-4 during a state transition
M. Del Santo, T. M. Belloni, J. Homan +8
We report on X-ray and soft gamma-ray observations of the black-hole candidate GX 339-4 during its 2007 outburst, performed with the RXTE and INTEGRAL satellites. The hardness-inte…
A New Class of Radio Pulsars - Back in 1982
M. Ali Alpar
Basic ideas about the torques on the neutron star and the existence of an equilibrium rotation period followed from the recognition that most X-ray binaries contain accretion power…
Weighing the black holes in ultraluminous X-ray sources through timing
P. Casella, G. Ponti, A. Patruno +3
We describe a new method to estimate the mass of black holes in Ultraluminous X-ray Sources (ULXs). The method is based on the recently discovered ``variability plane'', populated…
Multiwavelength observations of the black hole candidate Swift J1753.5-0127
Paolo Soleri, Diego Altamirano, Rob Fender +8
We present preliminary results from the analysis of simultaneous multiwavelength observations of the black hole candidate Swift J1753.5-0127. The source is still continuing its out…
Three-dimensional Simulations of Accretion to Stars with Complex Magnetic Fields
M. Long, M. M. Romanova, R. V. E. Lovelace
Disk accretion to rotating stars with complex magnetic fields is investigated using full three-dimensional magnetohydrodynamic (MHD) simulations. The studied magnetic configuration…