Stellar mergers are responsible for a wide variety of phenomena such as rejuvenated blue
stragglers, highly magnetised stars, spectacular transients, iconic nebulae, and stars with …

Calculation of the mass transfer (MT) rate of a Roche lobe overflowing star is a fundamental
task in binary star evolution theory. Most of the existing MT prescriptions are based on a …

Common envelope evolution (CEE) is vital for forming short-orbital-period compact binaries.
It covers many objects, such as double compact merging binaries, Type Ia supernovae …

The recent observations of gravitational waves (GWs) by the LIGO-Virgo-Kagra collaboration
(LVK) have provided a new opportunity for studying our Universe. By detecting several …

The hot subdwarf O/B stars (sdO/Bs) are known as extreme horizontal branch stars, which is
of great importance in stellar evolution theory. The sdO/Bs are generally thought to have a …

Mergers of neutron stars (NSs) and black holes (BHs) are nowadays observed routinely
thanks to gravitational-wave (GW) astronomy. In the isolated binary-evolution channel, a …

The mass distribution of black holes identified through X-ray emission suggests a paucity of
black holes in the mass range of 3 to 5 solar masses. Modified theories have been devised …

Semidetached binaries are in the stage of mass transfer and play a crucial role in studying
the physics of mass transfer between interacting binaries. Large-scale time-domain surveys …

Abstract Gravitational Waves (GWs) provide a unique way to explore our Universe. The
ongoing ground-based detectors, eg, LIGO, Virgo, and KAGRA, and the upcoming next …

ABSTRACT Context. Brown dwarfs (BDs) with masses in the range 40− 60 MJup are rare
around solar-type main-sequence (MS) stars, which gives rise to the brown dwarf desert …