EPoS Contribution
EPoS Contribution
Characteristics of two very young massive star forming regions

Elise Servajean
University of Chile, Santiago, Chile
We present results from a multiwavelength study of two very luminous IRAS sources (17008-4040 and 17009-4042; L~sim10^4L_sun; M~10^3M_sun) thought to be representative of very young massive star forming regions. Dust continuum observations, made with SIMBA/SEST and LABOCA/APEX, show that these two objects are associated with massive and dense cores with centrally condensed radial density profiles. Molecular line observations, made with the Atacama Submillimeter Telescope Experiment (ASTE) and with the Swedish-ESO Submillimeter Telescope (SEST), show, in addition to the core kinematics, that they harbor powerfull collimated outflows and hot cores. Using Spitzer/Glimpse data we were able to identify the driving sources and determine their evolutionary state. With SEST observations we were also able to determine the chemical differences between both dense and massive cores in the massive star forming region. Finally, studying methanol hyperfine structure we were able to determine the temperatures of the different components in each source.
Elise Servajean, U.Chile, Chile
Guido Garay, U.Chile, Chile
Esteban Morales, MPIA, Germany
Diego Mardones, U.Chile, Chile