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Spatially resolved imaging spectroscopy of T Tauri
M. E. Kasper, M. Feldt, T. M. Herbst +3
The small separation of the individual stellar components in the TTau system has prevented spectroscopy of the individual components in the near-infrared (NIR) in the past. We pres…
High-resolution studies of massive star-forming regions
Thomas Henning, Markus Feldt, Bringfried Stecklum
We summarize the status of our program of near-infrared adaptive optics observations of ultracompact HII regions. By means of selected results we demonstrate the usefulness of this…
Optical and radio variability of the BL Lac object AO 0235+16: a possible 5-6 year periodicity
C. M. Raiteri, M. Villata, H. D. Aller +33
New optical and radio data on the BL Lacertae object AO 0235+16 have been collected in the last four years by a wide international collaboration, which confirm the intense activity…
Infrared Observation of Hot Cores
B. Stecklum, B. Brandl, M. Feldt +3
We report on mid-infrared imaging of hot cores performed with SpectroCam-10 and TIMMI2. The observations aimed at the detection of thermal emission presumably associated with the h…