Abstract Bumblebee gravity is one of the simplest theories with spontaneous Lorentz symmetry breaking. Since we know a rotating black hole solution in bumblebee gravity, can potentially test this model available astrophysical observations holes. In work, construct reflection and use our to analyze features NuSTAR spectrum Galactic EXO 1846-031 order constrain Lorentz-violating parameter $$\ell ...

Abstract The Kaligarang River heading North-South divides the region of Semarang. Dutch Colonial Government recorded territory Semarang on January 19, 1856, shaken by an earthquake mainland epicenter with strength V-VI MMI. Fault has a sliding rate slip (slip rate) 4.5 mm per year. value rock is relatively very small, but if accumulated over long period, its can increase and it will form when e...