© 2018 The Author(s). The possible formation mechanisms of massive close binary black holes (BHs) that can merge in the Hubble time to produce powerful gravitational wave bursts detected during advanced LIGO O1 and O2 ...

© ESO 2016.Context. Magnetic fields are important for accretion disc structure. Magnetic fields in a disc system may be transported with the accreted matter. They can be associated with either the central body and/or jet, ...

The transient luminous soft X-ray source RX J0513.9-6951 in the large magellanic cloud is a key object within the class of accreting binary supersoft X-ray sources. In this system, mass-transfer is thought to occur close ...

Aims. We address the task of modeling soft X-ray and optical light curves of X-ray novae in the high/soft state.Methods. The analytic model of viscous evolution of an externally truncated accretion α-disk is used. Relativistic ...

© 2015 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. Accreting white dwarfs (WDs) with non-degenerate companions are expected to emit in soft X-rays and the UV, if accreted ...

We present a detailed investigation of SBS1150+599A, a close binary star hosted by the planetary nebula PNG135.9+55.9 (TS 01). The nebula, located in the Galactic halo, is the most oxygen-poor known to date and is the only ...