Aims: We search for direct evidence of ongoing star formation by accretion in the Lagoon Nebula (M8), using optical wide-field narrow-band imaging obtained at La Silla Observatory. Methods: We examine [SII] and Halpha images for line-emission features that could be interpreted as signatures of outflow activity of the exciting sources. Results: We discover five new Herbig-Haro objects, study in detail their morphology and attempt to identify their potential driving sources among the population of T Tauri stars and embedded sources in the surroundings. Conclusions: The results reported here conclusively demonstrate the existence of very young stars going through the accreting phase in the M8 region.
@article{arxiv.0706.2378,
title = {Geysers in the Lagoon: new Herbig-Haro objects in M8},
author = {Rodolfo H. Barbá and Julia I. Arias},
journal= {arXiv preprint arXiv:0706.2378},
year = {2016}
}
Comments
9 pages, 6 postscript figures (one in color). Accepted, Astronomy and Astrophysics