English
Related papers

Related papers: Radiative models for jets in X-ray binaries

200 papers

Conceptually reconstructing the physical conditions in relativistic jets, given the observed electromagnetic spectrum, poses a complex inverse problem. We aim to obtain a better understanding of the mechanisms operating in relativistic jets…

High Energy Astrophysical Phenomena · Physics 2015-06-03 Gabriela S. Vila , Gustavo E. Romero , Nicolás A. Casco

Microquasars are sources of very high-energy gamma-rays and, very probably, high-energy gamma-ray emitters. We propose a model for a jet that can allow to give accurate observational predictions for jet emission at different energies and…

Astrophysics · Physics 2009-11-11 V. Bosch-Ramon , J. M. Paredes , G. E. Romero

In this work, we simulate $\gamma$-rays created in the hadronic jets of the compact object in binary stellar systems known as microquasars. We utilize as main computational tool the $3$-D relativistic magneto-hydro-dynamical code PLUTO…

High Energy Astrophysical Phenomena · Physics 2018-08-02 Odysseas Kosmas , Theodoros Smponias

By proposing a pure leptonic radiation model, we study the potential gamma-ray emissions from jets of the low-mass X-ray binaries. In this model, the relativistic electrons that are accelerated in the jets are responsible for radiative…

High Energy Astrophysical Phenomena · Physics 2015-04-28 Jian-Fu Zhang , Wei-Min Gu , Tong Liu , Li Xue , Ju-Fu Lu

Observational and theoretical studies point to microquasars (MQs) as possible counterparts of a significant fraction of the unidentified gamma-ray sources detected so far. At present, a proper scenario to explain the emission beyond soft…

Astrophysics · Physics 2009-11-11 V. Bosch-Ramon , G. E. Romero , J. M. Paredes

The Galactic high-mass X-ray binary and jet source (microquasar) LSI +61 303 has recently been detected at TeV gamma-ray energies by the MAGIC telescope. We have applied a time-dependent leptonic jet model to the broadband spectral energy…

Astrophysics · Physics 2011-02-11 Swati Gupta , Markus Boettcher

In this work we present a new jet model for the non-thermal broadband emission of low-mass microquasars. We calculate the contribution of relativistic particles, primary electrons and protons as well as secondary muons, charged pions and…

High Energy Astrophysical Phenomena · Physics 2015-03-19 Gabriela S. Vila , Gustavo E. Romero

We present a general self-consistent lepto/hadronic jet model for the non-thermal electromagnetic emission of microquasars. The model is applied to the low-mass microquasar (LMMQ) GX 339-4 and predicts its high-energy features. We assume…

High Energy Astrophysical Phenomena · Physics 2015-05-14 Gabriela S. Vila , Gustavo E. Romero

Recently, microquasar jets have aroused the interest of many researchers focusing on the astrophysical plasma outflows and various jet ejections. In this work, we concentrate on the investigation of electromagnetic radiation and particle…

High Energy Physics - Phenomenology · Physics 2021-11-02 Th. V. Papavasileiou , O. T. Kosmas , J. Sinatkas

The emission of $\gamma$-rays in jets emanating from the vicinity of collapsed stellar remnants, in binary systems known as microquasars, is investigated using a three dimensional relativistic hydrocode (PLUTO), in combination with two…

High Energy Astrophysical Phenomena · Physics 2015-06-18 T. Smponias , T. S. Kosmas

Current research indicates that the radiation of the first stars alone would not have been suficient to ionize the intergalactic medium on long distances because of the high columnar density of the clouds in which they formed. It becomes…

High Energy Astrophysical Phenomena · Physics 2019-02-14 Pablo Sotomayor Checa , Gustavo E. Romero

Context: It has been proposed that the origin of the very high-energy photons emitted from high-mass X-ray binaries with jet-like features, so-called microquasars (MQs), is related to hadronic interactions between relativistic protons in…

Astrophysics · Physics 2008-01-15 M. Orellana , P. Bordas , V. Bosch-Ramon , G. E. Romero , J. M. Paredes

The jets of microquasars with high-mass stellar companions are exposed to the dense matter field of the stellar wind. We present estimates of the gamma-ray emission expected from the jet-wind hadronic interaction and we discuss the…

Astrophysics · Physics 2009-11-10 Gustavo E. Romero , Diego F. Torres , M. M. Kaufman Bernado , I. F. Mirabel

Relativistic plasma flows from the jets of black hole binary systems consist the environment of multiple particle production and radiation emission including neutrinos and gamma-rays. We implement a hadronic model based on $p-p$…

High Energy Astrophysical Phenomena · Physics 2022-10-05 Theodora V. Papavasileiou , Odysseas T. Kosmas , Ioannis Sinatkas

Among unidentified gamma-ray sources in the galactic plane, there are some that present significant variability and have been proposed to be high-mass microquasars. To deepen the study of the possible association between variable low…

Astrophysics · Physics 2009-11-11 V. Bosch-Ramon , J. M. Paredes , G. E. Romero , D. F. Torres

Microquasars are X-ray binary systems with non-thermal radio emission originated in jet-like features. They are attractive sites for gamma-ray production, since relativistic particles in the jet should traverse locally strong both photon…

Astrophysics · Physics 2007-05-23 Gustavo E. Romero

Microquasars are accreting X-ray binary systems with non-thermal radio jets. In some of these systems the jet is expected to be strongly misaligned with the perpendicular to the orbital plane. If the donor star is an early-type star, the…

Astrophysics · Physics 2009-11-11 Gustavo E. Romero , Mariana Orellana

I review some of the basic observational details of jets from X-ray binaries, or `microquasars'. It is shown that in both (Z and Atoll) NS and BHC systems radio emission, and therefore jet formation, is correlated with the presence of hard…

Astrophysics · Physics 2009-11-06 Rob Fender

The morphologies of detected jets in X-ray binaries are almost as diverse as their number. This is due to different jet properties and ambient media that these jets encounter. It is important to understand the physics of these objects and…

High Energy Astrophysical Phenomena · Physics 2011-07-07 Manel Perucho

Massive X-ray binaries are formed by a compact object that accretes matter from the stellar wind of an early-type donor star. In some of these systems, called microquasars, relativistic jets are launched from the surroundings of the compact…

Astrophysics · Physics 2007-05-23 Gustavo E. Romero
‹ Prev 1 2 3 10 Next ›