Coordinated NIR/mm observations of flare emission from Sagittarius A*

Abstract

We report on a successful, simultaneous observation and modelling of the millimeter (mm) to near-infrared (NIR) flare emission of the Sgr A* counterpart associated with the supermassive black hole at the Galactic centre (GC). We present a mm/sub-mm light curve of Sgr A* with one of the highest quality continuous time coverages and study and model the physical processes giving rise to the variable emission of Sgr A*.

14 pages, 16 figures

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Cited by in corpus (20)

• 1.3 mm Wavelength VLBI of Sagittarius A*: Detection of Time-Variable Emission on Event Horizon Scales
• A Chandra/HETGS Census of X-ray Variability From Sgr A* During 2012
• Variability Timescale and Spectral Index of Sgr A* in the Near Infrared: Approximate Bayesian Computation Analysis of the Variability of the Closest Supermassive Black Hole
• Tilted black hole accretion disc models of Sagittarius A*: time-variable millimetre to near-infrared emission
• Sgr A* flares: tidal disruption of asteroids and planets?
• The mean infrared emission of SagittariusA*
• Multiwavelength VLBI observations of Sagittarius A*
• The Circular Polarization of Sagittarius A* at Submillimeter Wavelengths
• Effect of Electromagnetic Interaction on Galactic Center Flare Components
• A magnetohydrodynamic model for multi-wavelength flares from Sagittarius~A${}^{\star }$ (I): model and the near-infrared and X-ray flares
• Wisps in the Galactic center: NIR triggered observations of the radio source Sgr A* at 43 GHz
• Multiple accretion events as a trigger for Sgr A* activity
• Monitoring the Galactic Centre with Australia Telescope Compact Array
• Orbits of particles with magnetic dipole moment around magnetized Schwarzschild black holes: Applications to S2 star orbit
• Detection of a 20 minute time lag observed from Sgr A* between 8 and 10 GHz with the VLA
• Flare emission from Sagittarius A*
• Possible evidence from the flaring activity of Sgr A* for a star at a distance of ~3.3 Schwarzscild radii from the blackhole
• The orbit and nature of the semi-detached stellar companion of Sgr A* super-massive blackhole
• Polarimetric Imaging of Sgr A* in its Flaring State
• SgrA* emission at 7mm: variability and periodicity