SIMBAD references

2009A&A...496..677V - Astronomy and Astrophysics, volume 496, 677-682 (2009/3-4)

The molecular gas content of blue dwarf galaxies. A collapsing detached molecular system in He 2-10?


Abstract (from CDS):

We present new observations of a sample of blue dwarf galaxies in the lines of CO(3-2) and HCN(4-3). The observations were obtained with the 12m APEX telescope located at an altitude of 5100 m in Chajnantor (ALMA site). We detected CO(3-2) emission in seven of nine observed galaxies in our sample. In two galaxies, NGC 5253 and He2-10, we mapped the central 20"x20" in the CO(3-2) emission line. In He 2-10, we detected an extended component of molecular gas to the north-east of the main body of the galaxy. Comparing our data with previous HI and CO observations, we speculate that the presence of this detached cloud of molecular gas is produced by the merger already known in He 2-10, and could lead to the formation of a small tidal dwarf galaxy. The HCN(4-3) line was observed in NGC 5253 and He 2-10 only, but not detected.

Abstract Copyright:

Journal keyword(s): galaxies: dwarf - galaxies: ISM - galaxies: starburst

Simbad objects: 11

goto Full paper

goto View the references in ADS

To bookmark this query, right click on this link: simbad:2009A&A...496..677V and select 'bookmark this link' or equivalent in the popup menu