Low-mass star formation in bright rimmed clouds

Details Low-mass star formation in bright rimmed clouds Low-mass star formation in bright rimmed clouds

Mar 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007iaus..242..164m&link_type=abstract

Astrophysical Masers and their Environments, Proceedings of the International Astronomical Union, IAU Symposium, Volume 242, p.

Astronomy and Astrophysics

Astrophysics

Ism: Clouds, Star: Formation, Masers

Scientific paper

Bright Rimmed Clouds (BRCs) are clouds that have been compressed by an external ionization-shock front which focuses the neutral gas into compact globules. The boundary layer between the neutral gas and the gas ionized by the incident photons is often called “bright rim” but the clumps are sometimes classified also as speck globules or cometary globules depending on their appearance. Small globules with bright rims have been considered to be potential sites of star formation and have been studied in several individual regions. We present the first high resolution VLA observations of 20 of these BRCs, but only three detections were obtained. The low detection rate seems to support the idea that BRCs produce mostly low-luminosity objects, for which maser emission is weak and episodic, and that the embedded sources are in a more advanced evolutionary phase than class 0 objects.

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