Infrared synchrotron oscillations in GRS 1915+105

Abstract

We report simultaneous observations of the black hole candidate X-ray transient GRS 1915+105 in the infrared at K and in the radio at 2 cm. Oscillations of period 26 min were observed in both wavebands, having (dereddened) peak--peak amplitudes of about 40 mJy and with the IR leading the radio by 7 min, or perhaps by 33 or 59 min. A synchrotron origin for the oscillations continues to seem very likely. We consider a range of problems raised by these observations, and briefly discuss the applicability of expanding-synchrotron source or conical jet models to the oscillations. Comparing simplistic estimates of the ejecta mass to the missing inner disc mass in the model of Belloni et al., we find that a significant fraction of the inner disc may be ejected during the oscillations.

5 pages, 2 figures. Accepted for publication in MNRAS

Cited by in corpus (47)

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• Two Years of INTEGRAL monitoring of GRS 1915+105 Part 2: X-Ray Spectro-Temporal Analysis
• The High-Frequency QPOs in GRS 1915+105
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• Two years of INTEGRAL monitoring of GRS 1915+105 Part 1: multiwavelength coverage with INTEGRAL, RXTE, and the Ryle radio Telescope
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• Magnetic floods: a scenario for the variability of the microquasar GRS 1915+105
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• Observational evidence for mass ejection during soft X-ray dips in GRS1915+105
• Study of the Largest Multiwavelength Campaign of the Microquasar GRS 1915+105
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• Modeling the kinematics of the decelerating jets from the black hole X-ray binary MAXI J1348$-$630
• Spectral, polarisation and time-lag properties of GRS 1915+105 radio oscillations
• The INTEGRAL view on Black Hole X-ray Binaries
• Detection of a Series of X-ray Dips Associated with a Radio Flare in GRS 1915+105
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• Comprehensive coverage of particle acceleration and kinetic feedback from the stellar mass black hole V404 Cygni
• Observations of Rapid Disk-Jet Interaction in the Microquasar GRS 1915+105
• Mid-Infrared observations of GRS 1915+105 during plateau and flaring states
• Excess sub-millimetre emission from GRS 1915+105
• Radio QPO in the $\gamma$-ray-loud X-ray binary LS I +61${}^{\circ }$303
• Fast X-Ray/IR cross-correlations and relativistic jet formation in GRS 1915+105
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• Does Low Frequency X-ray QPO Behavior in GRS 1915+105 Influence Subsequent X-ray and Infrared Evolution?
• HST/NICMOS Observations of Fast Infrared Flickering in the Microquasar GRS 1915+105
• Evidence for Synchrotron Bubbles from GRS 1915+105
• Modelling Oscillations in the Jet Emission from Microquasar GRS 1915+105
• Extending the "Energetic Scaling of Relativistic Jets From Black Hole Systems" to Include $\gamma$-ray-loud X-ray Binaries
• Radio/X-ray correlations and variability in the X-ray binary LS I +61°303
• Sub-second variability in black-hole X-ray binary jets
• An attempt to identify the extended synchrotron structure associated with the micro-quasar GRS 1915+105