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SS433 is a Galactic microquasar with powerful outflows (double jet, accretion disk and winds) with well known orbital, precessional and nutational period. In this work we characterise different outflow parameters throughout the precessional…

High Energy Astrophysical Phenomena · Physics 2023-02-01 Federico A. Fogantini , Federico García , Jorge A. Combi , Sylvain Chaty , Josep Martí , Pedro L. Luque Escamilla

The Very Large Array has been used at five frequencies to study the structure and linear polarization of SS433 on scales as small as ~0.1" ~ 500 AU. Each jet consists of a sharp, curving ridge-line at the leading edge, plus significant…

Results of simultaneous INTEGRAL and optical observations of galactic microquasar SS433 in May 2003 and INTEGRAL/RXTE observations in March 2004 are presented. Persistent precessional variability with a maximum to minimum uneclipsed hard…

The H and He emission lines of the microquasar SS 433 contain features that look very like emission from a circumbinary ring. Phenomenological models have been successful but contain certain ad hoc features. In this note the lines are…

Solar and Stellar Astrophysics · Physics 2015-06-15 M G Bowler

One objective of the Polstar spectropolarimetry mission is to characterize the degree of nonconservative mass transfer that occurs at various stages of binary evolution, from the initial mass reversal to the late Algol phase. The proposed…

(abridged) The review describes observations of SS433. The main difference between SS433 and other X-ray binaries is the supercritical regime for the gas accretion onto the relativistic star (most likely a black hole), which has lead to the…

Astrophysics · Physics 2007-05-23 Sergei Fabrika

The Balmer H alpha emission line in the stationary spectrum of SS 433 has a component originating in the wind above the accretion disk. The Doppler motion of this line is a blurred representation of the motion of the compact object…

Astrophysics of Galaxies · Physics 2015-05-28 M. G. Bowler

Results of simultaneous {\it INTEGRAL} and optical observations of galactic microquasar SS433 in May 2003 are presented. The analysis of the X-ray and optical eclipse duration and hard X-ray spectra obtained by {\it INTEGRAL} together with…

Certain lines in spectra of the Galactic microquasar SS 433, in particular the brilliant H alpha line, have been interpreted as emission from a circumbinary disk. In this interpretation the orbital speed of the glowing material is in excess…

Astrophysics of Galaxies · Physics 2015-05-20 M. G. Bowler

We present analysis of extensive monitoring of SS433 by the RXTE observatory collected over the period 1996-2005. The difference between energy spectra taken at different precessional and orbital phases shows the presence of a strong…

Astrophysics · Physics 2007-05-23 E. Filippova , M. Revnivtsev , S. Fabrika , K. Postnov , E. Seifina

Context. The Galactic microquasar SS 433 is possessed of a circumbinary disk most clearly seen in the brilliant Balmer H alpha emission line. The orbital speed of the glowing material is an important determinant of the mass of the binary…

Astrophysics of Galaxies · Physics 2015-05-18 M. G. Bowler

We revisit the determination of binary mass ratio in the Galactic microquasar SS433 based on recent GRAVITY VLTI measurements of mass and angular momentum outflow through a circumbinary disc. The new observations combined with the constancy…

High Energy Astrophysical Phenomena · Physics 2019-03-04 A. M. Cherepashchuk , K. A. Postnov , A. A. Belinski

We present multi-frequency VLBA+VLA observations of SS433 at 1.6, 5 and 15 GHz. These observations provide the highest angular resolution radio spectral index maps ever made for this object. Motion of the components of SS433 during the…

Astrophysics · Physics 2011-05-23 Z. Paragi , R. C. Vermeulen , I. Fejes , R. T. Schilizzi , R. E. Spencer , A. M. Stirling

{The Galactic microquasar SS 433 is very luminous and ejects opposite jets at approximately one quarter the speed of light. It is regarded as a super-Eddington accretor but until recently there were no observations of accretion.} % aims…

Solar and Stellar Astrophysics · Physics 2015-05-14 M G Bowler

We examine the jets and the disc of SS 433 at super-Eddington luminosities with 600 times Eddington critical accretion rate by time-dependent two-dimensional radiation hydrodynamical calculations, assuming alpha-model for the viscosity.…

High Energy Astrophysical Phenomena · Physics 2015-05-13 Toru Okuda , Galina V. Lipunova , Diego Molteni

We present VLBI imaging results for SS433 from the period 1995-2000. An equatorial emission region is detected and confirmed in 7 experiments at 1.6 and 5 GHz. The structure of the region changes with time on scales of weeks to months. The…

Astrophysics · Physics 2007-05-23 Z. Paragi , I. Fejes , R. C. Vermeulen , R. T. Schilizzi , R. E. Spencer , A. M. Stirling

The properties of the orbit and the donor star in the high mass X-ray binary microquasar LS 5039 indicate that accretion processes should mainly occur via a radiatively driven wind. In such a scenario, significant X-ray variability would be…

Astrophysics · Physics 2007-05-23 V. Bosch-Ramon , J. M. Paredes , M. Ribo , J. M. Miller , P. Reig , J. Marti

The Galactic microquasar SS 433 is a member of a binary system but there is a lack of data on the orbital velocities of the components. The emission lines of the C II doublet at 7231 and 7236 Angstrom have been tracked nightly over two…

Solar and Stellar Astrophysics · Physics 2020-09-02 M. G. Bowler

We report BVR photometry of the V1343 Aql= SS 433 microquasar at different phases of the 13--day orbital cycle for the 1986--1990 observing seasons. The data include five complete cycles of the 163$^{d}$ precession period of the system. We…

Solar and Stellar Astrophysics · Physics 2010-11-04 A. N. Sazonov