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Related papers: Diagnostics of SS433 with the RXTE

200 papers

We present our analysis of the 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 strong…

Astrophysics · Physics 2008-11-26 E. Filippova , M. Revnivtsev , S. Fabrika , K. Postnov , E. Seifina

The analysis of hard X-ray INTEGRAL observations (2003-2008) of superaccreting galactic microquasar SS433 at precessional phases of the source with the maximum disk opening angle is carried out. It is found that the shape and width of the…

High Energy Astrophysical Phenomena · Physics 2009-04-23 A. M. Cherepashchuk , R. A. Sunyaev , K. A. Postnov , E. A. Antokhina , S. V. Molkov

Hard X-ray INT observations of SS 433 carried out during 2003-2005 years with an analysis of precessional and orbital variability is presented. The width of X-ray eclipse in the 25-50 keV range at the precessional phase $\psi=0.1$…

The analysis of INTEGRAL observations (2003-2008) of superaccreting galactic microquasar SS433 at precessional phases with the maximum disk opening angle is carried out. The shape and width of the primary X-ray eclipse is found to be…

Astrophysics · Physics 2015-05-13 A. Cherepashchuk , K. Postnov , E. Antokhina , S. Molkov

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 extended X-ray emission observed at arcsec scales along the propagation trajectory of the precessing relativistic jets of the Galactic microquasar SS 433 features a broad emission line, with the position of the centroid being…

High Energy Astrophysical Phenomena · Physics 2017-06-28 Ildar Khabibullin , Sergey Sazonov

We test the physical model of the relativistic jets in the galactic X-ray binary SS 433 proposed in our previous paper using additional observations from the Chandra High Energy Transmission Grating Spectrometer. These observations sample…

We present observations of the SS 433 jets using the Chandra High Energy Transmission Grating Spectrometer with contemporaneous optical and VLBA observations. The X-ray and optical emission line regions are found to be related but not…

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 observed X-ray luminosity of SS 433 is ~10^36 erg/s, it is known that all the radiation is formed in the famous SS 433 jets. The bolometric luminosity of SS 433 is ~10^40 erg/s, and originally the luminosity must be realized in X-rays.…

High Energy Astrophysical Phenomena · Physics 2015-05-20 S. Fabrika , A. Medvedev

Apart from regular monitoring by ASM, the compact object SS 433 was observed with RXTE several times last two/three years. We present the first analysis of these observations. We also include the results of the recent exciting TOO campaign…

Astrophysics · Physics 2009-11-10 A. Nandi , Sandip K. Chakrabarti , Tomaso Belloni , P. Goldoni

We study a stochastic variability of SS433 in the $10^{-4} - 5\times 10^{-2}$ Hz frequency range based on RXTE data, and on simultaneous observations with RXTE and optical telescopes. We find that the cross-correlation functions and power…

High Energy Astrophysical Phenomena · Physics 2014-10-31 Kirill Atapin , Sergei Fabrika , Aleksei Medvedev , Alexander Vinokurov

A huge optical luminosity of the supercritical accretion disc and powerful stellar wind in the high-mass X-ray binary SS433 make it difficult to reliably estimate the mass ratio of the binary components from spectroscopic observations. We…

High Energy Astrophysical Phenomena · Physics 2018-07-20 Anatol Cherepashchuk , Kosnatntin Postnov , Alexandre Belinski

INTEGRAL IBIS/ISGRI 18-60 keV observations of SS433 performed in 2003-2011 enabled the hard X-ray phase-resolved orbital and precessional light curves and spectra to be constructed. The spectra can be fitted by a power-law with photon index…

High Energy Astrophysical Phenomena · Physics 2020-08-17 Anatol Cherepashchuk , Konstantin Postnov , Sergey Molkov , Eleonora Antokhina , Alexander Belinski

(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

We report on the jet structure in SS 433 based on X-ray high resolution spectroscopy with the XRISM/Resolve. The source was observed over 5 days covering both inside and outside an eclipse of the compact object by the companion star.…

High Energy Astrophysical Phenomena · Physics 2025-10-29 Megumi Shidatsu , Shogo Kobayashi , Yusuke Sakai , Toshihiro Takagi , Yuta Okada , Shinya Yamada , Yoshihiro Ueda , Hideki Uchiyama , Robert Petre

The unique microquasar SS433 is a massive X-ray binary system at an advanced evolutionary stage. The optical star overflows its Roche lobe and transfers mass at a very high rate onto a black hole surrounded by a supercritical accretion disk…

High Energy Astrophysical Phenomena · Physics 2025-11-11 A. M. Cherepashchuk , A. V. Dodin , K. A. Postnov

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…

The X-ray spectrum of the Galactic microquasar SS 433 contains a rich set of emission lines of highly ionized atoms of heavy elements whose significant Doppler shift leaves no doubt that they are produced in collimated relativistic jets of…

High Energy Astrophysical Phenomena · Physics 2020-05-27 P. Medvedev , I. Khabibullin , S. Sazonov

The relativistic jets of SS433 are outstanding for their optical thermal radiation.The radiation is produced by small clouds ($10^8$ cm) whose lifetime is about $10^3$ times larger than the gas-dynamical crushing time. We show that the…

Astrophysics · Physics 2007-05-23 A. A. Panferov
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