GM 2-4 - a signpost for low and intermediate mass star formation

Details GM 2-4 - a signpost for low and intermediate mass star formation GM 2-4 - a signpost for low and intermediate mass star formation

2011-08-10

arxiv.org/abs/1108.2193v1

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

Scientific paper

We present a multi-wavelength study of the region towards the GM 2-4 nebula and the nearby source IRAS 05373+2340. Our near-infrared H2 1-0 S(1) line observations reveal various shock-excited features which are part of several bipolar outflows. We identify candidates for the driving sources of the outflows from a comparison of the multi-waveband archival data-sets and SED modelling. The SED spectral slope (\alpha(IRAC)) for all the protostars in the field was then compared with the visual extinction map. This comparison suggests that star formation is progressing from NE to SW across this region.

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