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Magnetars form a special population of neutron stars with strong magnetic fields and long spin periods. About 30 magnetars and magnetar candidates known currently are probably isolated. But the possibility that magnetars are in binaries…

High Energy Astrophysical Phenomena · Physics 2022-02-02 Kun Xu , Xiang-Dong Li , Zhe Cui , Qiao-Chu Li , Yong Shao , Xilong Liang , Jifeng Liu

The fundamental properties of detached eclipsing binary stars can be measured very accurately, which could make them important objects for constraining the treatment of convection in theoretical stellar models. However, only four or five…

Astrophysics · Physics 2009-11-11 John Southworth , Hans Bruntt

The binary status of gamma-Cas stars has been discussed while theoretically examining the origin of their peculiar X-ray emission. However, except in two cases, no systematic radial velocity monitoring of these stars had been undertaken yet…

Solar and Stellar Astrophysics · Physics 2022-01-12 Yael Naze , Gregor Rauw , Stefan Czesla , Myron A. Smith , Jan Robrade

The majority of all stars are members of a binary system. The evolution of such binary stars and their subsequent production of pairs of compact objects in tight orbits, such as double neutron stars and double black holes, play a central…

High Energy Astrophysical Phenomena · Physics 2023-06-09 Thomas M. Tauris , Ed P. J. van den Heuvel

In this chapter, I present the main X-ray observational characteristics of black-hole binaries and low magnetic field neutron-star binaries, concentrating on what can be considered similarities or differences, with particular emphasis on…

High Energy Astrophysical Phenomena · Physics 2018-03-13 Tomaso M. Belloni

During the last years, many observational studies have revealed that binaries play an active role in the shaping of non spherical planetary nebulae. We review the different works that lead to the direct or indirect evidence for the presence…

Solar and Stellar Astrophysics · Physics 2014-10-15 Eric Lagadec , Olivier Chesneau

X-ray and gamma-ray binaries are systems consisting of a compact object and normally a non-degenerate companion star. Most of these sources have been shown to emit radiation in a broad frequency range, from radio up to X-rays and sometimes…

High Energy Astrophysical Phenomena · Physics 2022-09-22 E. Molina , A. López-Oramas , D. Hadasch , J. Hoang

INTEGRAL monitoring of the Galactic Plane is revealing a growing number of recurrent X-ray transients, characterised by short outbursts with very fast rise times (~ tens of minutes) and typical durations of a few hours. A substantial…

Astrophysics · Physics 2008-01-28 Ignacio Negueruela , David M. Smith , Jose Miguel Torrejon , Pablo Reig

The new photometric space-borne survey missions CoRoT and Kepler will be able to detect minute flux variations in binary stars due to relativistic beaming caused by the line-of-sight motion of their components. In all but very short period…

Astrophysics · Physics 2016-01-07 Shay Zucker , Tsevi Mazeh , Tal Alexander

A number of efforts are underway to detect close binary stars in planetary nebulae. The primary goal of these studies is to determine the binary fraction of central stars. The next stage is a detailed analysis of the binaries to determine…

Solar and Stellar Astrophysics · Physics 2010-10-08 Todd C. Hillwig

Interacting Binaries consist of a variety of stellar objects in different stages of evolution and those containing accreting compact objects still represent a major challenge to our understanding of not only close binary evolution but also…

Astrophysics · Physics 2009-11-11 B. T. Gaensicke , D. de Martino , T. R. Marsh , C. A. Haswell , C. Knigge , K. S. Long , S. N. Shore

X-ray binaries are composed of a normal star in orbit around a neutron star or stellar-mass black hole. Radio and X-ray observations have led to the presumption that some X-ray binaries called microquasars behave as scaled down active…

Astrophysics · Physics 2012-08-27 H. E. S. S. Collaboration , : , F. Aharonian

This paper describes a practical model for the polarization of Be stars which can be used to estimate roughly the physical parameters for optically thin circumstellar envelopes from broadband UBVRI photopolarimetry data. Analysis of…

Astrophysics · Physics 2009-11-06 David McDavid

It is now clear that a binary formation pathway is responsible for a significant fraction of planetary nebulae, and this increased sample of known binaries means that we are now in a position to begin to constrain their influence on the…

Solar and Stellar Astrophysics · Physics 2014-01-21 David Jones , Miguel Santander-Garcia , Henri M. J. Boffin , Brent Miszalski , Romano L. M. Corradi

The high luminosity of massive, early-type stars drives strong stellar winds through line scattering of the stars continuum radiation. Their momenta contribute substantially to the dynamics and energetics of the ambient interstellar medium…

Solar and Stellar Astrophysics · Physics 2024-06-24 Bharti Arora , Michael De Becker , Jeewan C. Pandey

Roughly half of Solar-type planet hosts have stellar companions, so understanding how these binary companions affect the formation and evolution of planets is an important component to understanding planetary systems overall. Measuring the…

The BDB, Binary star DataBase http://bdb.inasan.ru combines data of the catalogues of binary and multiple stars of all observational types. There is a number of ways for variable stars to form or to be a part of binary or multiple systems.…

Instrumentation and Methods for Astrophysics · Physics 2019-04-03 D. Kovaleva , O. Malkov , P. Kaygorodov

A comprehensive review of aperiodic rapid X-ray variability (QPO and noise) in X-ray binaries with neutron stars and black holes.

Astrophysics · Physics 2007-05-23 M. van der Klis

Understanding the galaxy in which we live is one of the great intellectual challenges facing modern science. With the advent of high quality observational data, the chemical evolution modeling of our galaxy has been the subject of numerous…

Astrophysics · Physics 2009-11-10 Erwin De Donder , Dany Vanbeveren

Several binary systems have been detected at High Energy (HE, E > 100 MeV) and/or Very High Energy (VHE, E > 100 GeV) gamma rays. Some of them are X-ray binaries in which accretion feeds relativistic radio jets and powers the non-thermal…

High Energy Astrophysical Phenomena · Physics 2022-03-02 Josep M. Paredes