Molecular Emission in Dense Massive Clumps from the Star-Forming Regions S231-S235

D. A. Ladeyschikov, M. S. Kirsanova, A. P. Tsivilev +1

The article deals with observations of star-forming regions S231-S235 in 'quasi-thermal' lines of ammonia (NH${}_3$), cyanoacetylene (HC${}_3$N) and maser lines of methanol (CH${}_3$OH)…