Probing the Early Evolution of Young High-Mass Stars

Details Probing the Early Evolution of Young High-Mass Stars Probing the Early Evolution of Young High-Mass Stars

2008-03-27

arxiv.org/abs/0803.3897v1

ASP Conf.Ser.387:331,2008

Astronomy and Astrophysics

Astrophysics

To appear in ASP Conf. Proceedings of "Massive Star Formation: Observations confront Theory", H. Beuther et al. (eds.), held i

Scientific paper

Near-infrared imaging surveys of high-mass star-forming regions reveal an amazingly complex interplay between star formation and the environment (Churchwell et al. 2006; Alvarez et al. 2004). By means of near-IR spectroscopy the embedded massive young stars can be characterized and placed in the context of their birth site. However, so far spectroscopic surveys have been hopelessly incomplete, hampering any systematic study of these very young massive stars. New integral field instrumentation available at ESO has opened the possibility to take a huge step forward by obtaining a full spectral inventory of the youngest massive stellar populations in star-forming regions currently accessible. Simultaneously, the analysis of the extended emission allows the characterization of the environmental conditions. The Formation and Early Evolution of Massive Stars (FEMS) collaboration aims at setting up a large observing campaign to obtain a full census of the stellar content, ionized material, outflows and PDR's over a sample of regions that covers a large parameter space. Complementary radio, mm and infrared observations will be used for the characterization of the deeply embedded population. For the first eight regions we have obtained 40 hours of SINFONI observations. In this contribution, we present the first results on three regions that illustrate the potential of this strategy.

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