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 ...