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Study of the outflow activity in the Lagoon Nebula (M8) using Gemini South and Magellan Baade facilities. (2009). Revista Mexicana De Astrofísica Y Astronomía Serie De Conferencias, 35(1), 288. https://astronomia.unam.mx/journals/rmxac/article/view/2009rmxac..35..288a
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Abstract

Although the specific knowledge of the star formation in Orion and a few other nearby star forming regions has been systematically growing during the last decade, the fact of having high quality observations in only a small number of regions in the Galaxy prevents a full progress in the general comprehension of massive star forming processes. M8 is a prime example of active star forming region that can provide important insights into the birth and development of protostars under different physical conditions. Recently, nine Herbig-Haro (HH) objects have been identified in M8, using HST and ESO 2p2/WFI images. In order to prove the nature of the newly discovered HH features, we have obtained Magellan/IMACS longslit spectra and Gemini South/GMOS narrow-band imaging. From the analysis of the data, we confirm that HH896 and HH897 indeed constitute a single parsec-scale bipolar jet. We also investigate the kinematics and excitation conditions of the rest of the outflows. Finally, we discover a well nourished population of small-sized HH objects and faint emission line stars. These observations provide new valuable information about the star forming activity in the inner part of the Galaxy.