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Related papers: IGR J17480-2446: a new class of accreting binaries…

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The low mass X-ray binary (LMXB) IGR J17480-2446 in the globular cluster Terzan 5 harbors an 11 Hz accreting pulsar. This is the first object discovered in a globular cluster with a pulsar spinning at such low rate. The accreting pulsar is…

High Energy Astrophysical Phenomena · Physics 2015-06-03 A. Patruno , M. A. Alpar , M. van der Klis , E. P. J. van den Heuvel

The low mass X-ray binary (LMXB) IGR J17480-2446 is an 11 Hz accreting pulsar located in the core of the globular cluster Terzan 5. This is a mildly recycled accreting pulsar with a peculiar evolutionary history since its total age has been…

Solar and Stellar Astrophysics · Physics 2017-06-26 A. Patruno , M. Mapelli

Neutron star low-mass X-ray binaries (LMXBs) are the progenitors of millisecond pulsars. In these systems, old neutron stars (NSs) can be spun up during a long-lasting accretion phase. The discovery of accreting millisecond X-ray pulsars…

High Energy Astrophysical Phenomena · Physics 2026-04-20 Ndiogou Niang , Unal Ertan , Ali Arda Gencali , Fatmanur Ertugrul , Ayse Ulubay , Ebru Devlen , M. Ali Alpar

We revisit the evolution of low-mass close binary systems under different magnetic braking (MB) prescriptions. We study binaries with a neutron star accretor. During mass transfer episodes, these systems emit X-rays and are known as Low…

High Energy Astrophysical Phenomena · Physics 2024-04-26 M. Echeveste , M. L. Novarino , O. G. Benvenuto , M. A. De Vito

Low Mass X-Ray Binaries (LMXBs) are systems in which a compact object accretes from a binary companion star via an accretion disk. The X-ray properties of LMXBs show strong variability over timescales ranging from milliseconds to decades,…

High Energy Astrophysical Phenomena · Physics 2019-03-19 James Matthew Christopher Court

The neutron star low mass X-ray binary (LMXB) AX J1745.6-2901 was detected an anomalously fast decrease of orbital period. The decreasing rate of orbital period exceeds the contribution of all processes extracting angular momentum from the…

High Energy Astrophysical Phenomena · Physics 2022-07-12 A. I. Bogomazov , A. M. Cherepashchuk , T. S. Khruzina , A. V. Tutukov

We investigate the formation and evolutionary sequences of Galactic intermediate- and low-mass X-ray binaries (I/LMXBs) by combining binary population synthesis (BPS) and detailed stellar evolutionary calculations. Using an updated BPS code…

High Energy Astrophysical Phenomena · Physics 2015-12-16 Yong Shao , Xiang-Dong Li

IGR J17480$-$2446 is an accreting X-ray pulsar in a low-mass X-ray binary harbored in the Galactic globular cluster Terzan 5. Compared with other accreting millisecond pulsars, IGR J17480$-$2446 is peculiar in its low spin frequency (11…

High Energy Astrophysical Phenomena · Physics 2015-06-16 Long Jiang , Xiang-Dong Li

While the distribution of spin periods of High Mass X-ray Binaries (HMXBs) spans more than four orders of magnitude (69ms - 25min), the few known X-ray pulsars accreting from very low mass companions (<1 Msun) have very similar periods…

Astrophysics · Physics 2007-05-23 L. Stella , S. Mereghetti , G. L. Israel

Basic ideas about the torques on the neutron star and the existence of an equilibrium rotation period followed from the recognition that most X-ray binaries contain accretion powered neutron stars. The evolution of binaries through a phase…

Astrophysics · Physics 2009-11-13 M. Ali Alpar

We summarize the status of art of the secular evolution of low mass X-ray binaries (LMXBs) and take a close look at the orbital period distribution of LMXBs and of binary millisecond pulsars (MSP), in the hypothesis that this latter results…

Astrophysics · Physics 2008-11-26 Francesca D'Antona , Anamaria Teodorescu , Paolo Ventura

We have computed an extensive grid of binary evolution tracks to represent low- and intermediate mass X-ray binaries (LMXBs and IMXBs). The grid includes 42,000 models which covers 60 initial donor masses over the range of 1-4 solar masses…

High Energy Astrophysical Phenomena · Physics 2015-05-20 Jinrong Lin , S. Rappaport , Ph. Podsiadlowski , L. Nelson , B. Paxton , P. Todorov

I review the evolutionary connection between low-mass X-ray binaries (LMXBs) and pulsars with binary companions (bPSRs) from a stellar binary evolution perspective. I focus on the evolution of stellar binaries with end-states consisting of…

Astrophysics · Physics 2009-06-23 Christopher J. Deloye

We examine the spin-up of low luminosity, low mass X-ray binaries (LMXBs) to millisecond pulsars (MSPs). In the conventional spin-up model of the Ghosh & Lamb type, where the stellar magnetic field interacts with the Keplerian accretion…

Astrophysics · Physics 2009-10-30 Insu Yi , Jonathan E. Grindlay

The accreting millisecond pulsars IGR J00291+5934 and SAX J1808.4-3658 are two compact binaries with very similar orbital parameters. The latter has been observed to evolve on a very short timescale of ~70 Myr which is more than an order of…

High Energy Astrophysical Phenomena · Physics 2017-04-19 A. Patruno

Redback millisecond pulsars (hereafter redbacks) are a sub-population of eclipsing millisecond pulsars in close binaries. The formation processes of these systems are not clear. The three pulsars showing transitions between rotation- and…

High Energy Astrophysical Phenomena · Physics 2015-10-26 Kun Jia , Xiang-Dong Li

Close-orbit low-mass X-ray binaries (LMXBs), radio binary millisecond pulsars (BMSPs) with extremely low-mass helium WDs (ELM He~WDs) and ultra-compact X-ray binaries (UCXBs) are all part of the same evolutionary sequence. It is therefore…

Solar and Stellar Astrophysics · Physics 2021-03-17 Hai-Liang Chen , Thomas M. Tauris , Zhanwen Han , Xuefei Chen

Observations made using the Rossi X-ray Timing Explorer have shown that accreting weak-field neutron stars in low-mass X-ray binary systems (LMXBs) produce three distinct types of millisecond X-ray oscillations that can be used to determine…

Astrophysics · Physics 2007-05-23 Frederick K. Lamb , Wenfei Yu

Millisecond radio pulsars acquire their rapid rotation rates through mass and angular momentum transfer in a low-mass X-ray binary system. Recent studies of PSR J1824-2452I and PSR J1023+0038 have observationally demonstrated this link, and…

Two new magnetic white dwarf accretion binaries with extremely low mass-transfer rates have been discovered in the course of the Sloan Digital Sky Survey. Measured magnetic fields are 42 MG and 57 MG, and one system orbits with a period of…

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