Connection between accretion disk and superluminal radio jets and the role of radio plateau state in GRS 1915+105

Abstract

We investigate the association between the accretion disk during radio plateau state and the following superluminal relativistic radio jets with peak intensity varies from 200 mJy to 1000 mJy observed over a period of five years and present the evidences of direct accretion disc-jet connection in microquasar GRS 1915+105. We have analysed RXTE PCA/HEXTE X-ray data and have found that the accretion rate, ${\dot{m}}_{accr}$, as inferred from the X-ray flux, is very high during the radio plateaux. We suggest that the accretion disk during the radio plateaux always associated with radiation-driven wind which is manifested in the form of enhanced absorption column density for X-ray and the depleted IR emission. We find that the wind density increases with the accretion disk luminosity during the radio plateaux. The wind density is similar to the density of the warm absorber proposed in extragalactic AGNs and Quasars. We suggest a simple model for the origin of superluminal relativistic jets. Finally, We discuss the implications of this work for galactic microquasars and the extragalactic AGNs and Quasars.

arXiv comment9 pages, 6 Figures, Accepted for publication in ApJ

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Cited by in corpus (12)

• AstroSat/LAXPC reveals the high energy variability of GRS 1915+105 in the chi class
• Comparison of time/phase lags in the hard state and plateau state of GRS 1915+105
• The complex behaviour of the microquasar GRS 1915+105 in the rho class observed with BeppoSAX. II: Time-resolved spectral analysis
• X-ray spectral state evolution in IGR J17091-3624 and comparison of its heartbeat oscillation properties with those of GRS 1915+105
• Study of timing evolution from non-variable to structured large-amplitude variability transition in GRS 1915+105 using AstroSat
• Is the plateau state in GRS 1915+105 equivalent to canonical hard states?
• Extensive broadband X-ray monitoring during the formation of a giant radio jet base in Cyg X-3 with AstroSat
• The Accretion Disc-Jet Connection in Blazars
• QPO Frequency - Color Radius Connection in GRS 1915+105: a Possible Turnover supporting AEI predictions
• Spectral Analysis of $\chi$ Class Data of GRS 1915+105 Using TCAF Solution
• LAXPC instrument onboard AstroSat: Five exciting years of new scientific results specially on X-ray Binaries
• Discovery of a new flaring class in GRS 1915+105 using AstroSat