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8 papers · 2 filters
Consistent system of oscillator strengths of A -- X (0, 0) and B -- X (0, 0) bands of CH molecule
T. Weselak, G. A. Galazutdinov, P. Gnaciński +1
Detailed analysis of intensity ratios of unsaturated methylidyne (CH) A--X and B--X bands suggests consistency of the recently published oscillator strengths of A -- X$^{2}Π…
Multi-epoch VLBA observations of radio galaxy 0932+075: is this a compact symmetric object?
A. Marecki, A. Sokołowska
A part of the radio structure of the galaxy 0932+075 emerged as a possible compact symmetric object (CSO) after the observation with the Very Long Baseline Array (VLBA) at 5 GHz in…
Detection of vibronic bands of C in a translucent cloud towards HD 169454
M. R. Schmidt, J. Krełowski, G. A. Galazutdinov +4
We report the detection of eight vibronic bands of C, seven of which have been hitherto unobserved in astrophysical objects, in the translucent cloud towards HD~169454. Four of…
EVN observations of 6.7 GHz methanol masers in clusters of massive young stellar objects
Anna Bartkiewicz, Marian Szymczak, Huib van Langevelde
Methanol masers at 6.7 GHz are associated with high-mass star-forming regions (HMSFRs) and often have mid-infrared (MIR) counterparts characterized by extended emission at 4.5 m…
Flux upper limits for 47 AGN observed with H.E.S.S. in 2004-2011
H. E. S. S. Collaboration, A. Abramowski, F. Aharonian +217
About 40% of the observation time of the High Energy Stereoscopic System (H.E.S.S.) is dedicated to studying active galactic nuclei (AGN), with the aim of increasing the sample of…
6.7GHz methanol maser variability in Cepheus A
M. Szymczak, P. Wolak, A. Bartkiewicz
6.7 GHz methanol maser emission from the well-studied star-forming region Cepheus A was monitored with the Torun 32 m radio telescope. We found synchronized and anticorrelated chan…