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6 papers · 2 filters
Dichotomy in the population of young AGN: optical, radio and X-ray properties
M. Kunert-Bajraszewska
There are numerous examples of radio sources with various sizes which surprisingly exhibit very similar morphology. This observational fact helped to create a standard evolutionary…
AGN duty cycle estimates for the ultra-steep spectrum radio relic VLSS J1431.8+1331
A. Shulevski, R. Morganti, P. D. Barthel +19
Steep spectrum radio sources associated with active galactic nuclei (AGN) may contain remnants of past AGN activity episodes. Novel instruments like the LOw Frequency ARray (LOFAR)…
Launching cosmic-ray-driven outflows from the magnetized interstellar medium
Philipp Girichidis, Thorsten Naab, Stefanie Walch +10
We present a hydrodynamical simulation of the turbulent, magnetized, supernova (SN)-driven interstellar medium (ISM) in a stratified box that dynamically couples the injection and…
The 6614 diffuse interstellar absorption band: evidence for internal excitation of the carrier
Charlotte C. M. Marshall, Jacek Krełowski, Peter J. Sarre
An analysis of absorption profiles of the 6614 diffuse interstellar band recorded along the lines-of-sight towards HD 179406 (20 Aql) and HD 147889 is described. The difference…
Discovery of four periodic methanol masers and updated light curve for a further one
M. Szymczak, P. Wolak, A. Bartkiewicz
We report the discovery of 6.7 GHz methanol maser periodic flares in four massive star forming regions and the updated light curve for the known periodic source G22.357+0.066. The…
The structure and kinematics of the the Galaxy thin gaseous disc outside the solar orbit
G. A. Galazutdinov, A. Strobel, F. A. Musaev +2
The rotation curve of the Galaxy is generally thought to be flat. However, using radial velocities from interstellar molecular clouds, which is common in rotation curve determinati…