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The Proper Motion of the Galactic Center Pulsar Relative to Sagittarius A*
Geoffrey C. Bower, Adam Deller, Paul Demorest +12
We measure the proper motion of the pulsar PSR J1745-2900 relative to the Galactic Center massive black hole, Sgr A*, using the Very Long Baseline Array (VLBA). The pulsar has a tr…
Conditions for the Thermal Instability in the Galactic Centre Mini-spiral region
A. Różańska, B. Czerny, D. Kunneriath +3
We explore the conditions for the thermal instability to operate in the mini-spiral region of the Galactic centre (Sgr A*), where both the hot and cold media are known to coexist.…
Observational appearance of inefficient accretion flows and jets in 3D GRMHD simulations: Application to Sgr~A*
Monika Moscibrodzka, Heino Falcke, Hotaka Shiokawa +1
Radiatively inefficient accretion flows (RIAFs) are believed to power supermassive black holes (SMBH) in the underluminous cores of galaxies. Such black holes are typically accompa…