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35 papers · 2 filters
Temporal evolution of long-timescale periodicities in ULX NGC 5408 X-1
Tao An, Xiang-Long Lu, Jun-Yi Wang
Context. NGC 5408 X-1 is one of the few ultraluminous X-ray sources with an extensive monitoring program in X-rays (a temporal baseline of 4.2 yr), making it one of the most suitab…
Kepler light curve analysis of the blazar W2R 1926+42
P. Mohan, Alok C. Gupta, R. Bachev +1
We study the long term Kepler light curve of the blazar W2R 1926+42 ( 1.6 years) which indicates a variety of variability properties during different intervals of observation…
The Effect of Large Scale Magnetic Field on Outflow in ADAFs: an Odd Symmetry Configuration
Maryam Samadi, Shahram Abbassi
We construct self-similar inflow-outflow solutions for a hot viscous-resistive accretion flow with large scale magnetic fields that have odd symmetry with respect to the equatorial…
Multi-frequency Radio Profiles of PSR B1133+16: radiation location and particle energy
Ji-Guang Lu, Yuan-Jie Du, Long-Fei Hao +9
The pulse profile of PSR B1133+16 is usually regarded as a conal-double structure. However, its multifrequency profiles cannot simply be fitted with two Gaussian functions, and a t…
Two-dimensional inflow-wind solution of black hole accretion with an evenly symmetric magnetic field
Amin Mosallanezhad, De-Fu Bu, Feng Yuan
We solve the two-dimensional magnetohydrodynamic (MHD) equations of black hole accretion with the presence of magnetic field. The field includes a turbulent component, whose role i…
Jet-dominated quiescent state in black hole X-ray binaries: the cases of A0620--00 and XTE J1118+480
Qi-Xiang Yang
The radiative mechanism of the black hole X-ray transients (BHXTs) in their quiescent states (defined as the 2-10 keV X-ray luminosity ) remains unc…