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Black-hole activity feedback across vast scales
Michal Zajaček, Bożena Czerny, Rainer Schödel +2
Both observational and theoretical studies of black-hole activity or active galactic nucleus (AGN) feedback have been ongoing since the first indication of supermassive black holes…
Detection of an excess of young stars in the Galactic center Sagittarius B1 region
Francisco Nogueras-Lara, Rainer Schödel, Nadine Neumayer
The Milky Way's center is the closest galaxy nucleus and the most extreme environment of the Galaxy. Although its volume is less than 1% of that of the Galactic disk, up to 10% of…
The outer orbit of the high-mass stellar triple system Herschel 36 determined with the VLTI
J. Sanchez-Bermudez, C. A. Hummel, J. Díaz-López +8
Multiplicity is a ubiquitous characteristic of massive stars. Multiple systems offer us a unique observational constraint on the formation of high-mass systems. Herschel 36 A is a…
Mid-Infrared studies of dusty sources in the Galactic Center
Harshitha K. Bhat, Nadeen B. Sabha, Michal Zajaček +5
Mid-Infrared (MIR) images of the Galactic center show extended gas and dust features along with bright IRS sources. Some of these dust features are a part of ionized clumpy streame…