High-Resolution H2O Maser Observations toward IRAS Sources in Bright-Rimmed Clouds

Details High-Resolution H2O Maser Observations toward IRAS Sources in Bright-Rimmed Clouds High-Resolution H2O Maser Observations toward IRAS Sources in Bright-Rimmed Clouds

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008apj...675.1352v&link_type=abstract

The Astrophysical Journal, Volume 675, Issue 2, pp. 1352-1360.

Astronomy and Astrophysics

Astronomy

6

Ism: Globules, Masers, Radio Lines: Ism, Stars: Formation

Scientific paper

Bright-rimmed clouds (BRCs) are clouds that have been compressed by an external ionization shock front. We present the first high-resolution VLA observations of 20 of these BRCs in the northern hemisphere. We detected water maser emission from three objects: IRAS 21346+5714 (BRC 36), IRAS 21388+5622 (BRC 37), and IRAS 21445+5712 (BRC 39). The low detection rate supports the evidence that BRCs produce mostly low-luminosity objects, for which maser emission is weak and episodic, and suggests that the embedded sources are in a more advanced evolutionary phase than Class 0 objects.

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