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Browsing by Author "van Langevelde, Huib Jan"
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Bartkiewicz, Anna; Szymczak, Marian; van Langevelde, Huib Jan (EDP Sciences, 2016)Context. Methanol masers at 6.7 GHz are well known tracers of high-mass star-forming regions. However, their origin is still not clearly understood. Aims. We aimed to determine the morphology and velocity structure for a ...
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Bartkiewicz, Anna; Szymczak, Marian; van Langevelde, Huib Jan (EDP Sciences, 2014)Context. 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 μm, which likely traces outflows from ...
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Surcis, Gabriele; Vlemmings, Wouter; van Langevelde, Huib Jan; Hutawarakorn Kramer, Busaba; Bartkiewicz, Anna (EDP Sciences, 2019)Magnetohydrodynamical simulations show that the magnetic field can drive molecular outflows during the formation of massive protostars. The best probe to observationally measure both the morphology and the strength of this ...
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Bartkiewicz, Anna; Szymczak, Marian; van Langevelde, Huib Jan (EDP Sciences, 2012)Context. The 22.2 GHz water masers are often associated with the 6.7 GHz methanol masers but owing to the different excitation conditions they likely probe independent spatial and kinematic regions around the powering young ...
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Bartkiewicz, Anna; Sanna, Alberto; Szymczak, Marian; Moscadelli, Luca; van Langevelde, Huib Jan; Wolak, Paweł (2020-05)Context. Ring-like distributions of the 6.7 GHz methanol maser spots at milliarcsecond scales represent a family of molecular structures of unknown origin associated with high-mass young stellar objects. Aims: We aim to ...
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