| Issue |
A&A
Volume 471, Number 3, September I 2007
|
|
|---|---|---|
| Page(s) | 841 - 847 | |
| Section | Interstellar and circumstellar matter | |
| DOI | https://doi.org/10.1051/0004-6361:20066081 | |
| Published online | 18 June 2007 | |
Geysers in the Lagoon: new Herbig-Haro objects in M 8*
1
Departamento de Física, Universidad de La Serena, Benavente 980, La Serena, Chile e-mail: rbarba@dfuls.cl
2
Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de La Plata, and Instituto de Astrofísica La Plata, Paseo del Bosque S/N, B1900FWA, La Plata, Argentina e-mail: julia@djuls.cl
Received:
21
July
2006
Accepted:
15
June
2007
Aims.We search for direct evidence of ongoing star formation by accretion in the Lagoon Nebula (M 8), using optical wide-field narrow-band imaging obtained at La Silla Observatory.
Methods.We examine [
] and Hα 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 M 8 region.
Key words: ISM: Herbig-Haro objects / ISM: jets and outflows / stars: formation
© ESO, 2007
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.