The Galactic Center is an excellent laboratory for studying phenomena and physical
processes that may be occurring in many other galactic nuclei. The center of our Milky Way …

A massive black hole resides in the center of most, perhaps all galaxies. The one in the
center of our home galaxy, the Milky Way, provides a uniquely accessible laboratory for …

We investigate radiatively inefficient accretion flow models for Sgr A*, the supermassive
black hole in our Galactic center, in light of new observational constraints. Confirmation of …

We report on 75 mas resolution, near-IR imaging spectroscopy within the central 30 lt-days
of the Galactic center, taken with the new adaptive optics–assisted integral-field …

Using flow models based on axisymmetric general relativistic magnetohydrodynamics
simulations, we construct radiative models for Sgr A*. Spectral energy distributions (SEDs) …

We present the first systematic analysis of the X-ray variability of Sgr A* during the Chandra
X-ray Observatory's 2012 Sgr A* X-ray Visionary Project. With 38 High Energy Transmission …

We report the detection of a variable point source, imaged at L′(3.8 μ m) with the Keck II 10
m telescope's adaptive optics system, that is coincident to within 18 mas (1 σ) of the Galaxy's …

We present the result of a study of the X-ray emission from the galactic center (GC)
molecular clouds (MCs) within 15 arcmin from Sgr A*. We use XMM-Newton data (about 1.2 …

We present the first fully simultaneous fits to the near-infrared (NIR) and X-ray spectral slope
(and its evolution) during a very bright flare from Sgr A*, the supermassive black hole at the …

Submilliarcsecond astrometry and imaging of the black hole Sgr A* at the Galactic Centre
may become possible in the near future at infrared and submillimetre wavelengths …