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H2O maser emission from bright rimmed globules

  • Riccardo Valdettaro (a1), Francesco Palla (a1), Riccardo Cesaroni (a1), Leonardo Testi (a1) and Gianni Tofani (a1)...

Abstract

We report the results of a multi-epoch campaign of water maser observations of Bright Rimmed Globules (BRCs) associated with IRAS point sources. We have observed all of the 44 BRCs listed by Sugitani et al. (1991), visible in the northern hemisphere. With the exception of one globule, IC 1396N, we did not detect water maser emission in any of the targets. This negative result is somewhat surprising, if the suggestion of induced massive star formation in BRCs is correct. In contrast, we believe that newly formed stars inside BRCs tend to be of low luminosity and the occurrence of H2O maser emission is rare, episodic, and highly variable.

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References

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H2O maser emission from bright rimmed globules

  • Riccardo Valdettaro (a1), Francesco Palla (a1), Riccardo Cesaroni (a1), Leonardo Testi (a1) and Gianni Tofani (a1)...

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