Evidence for triggered star formation in the Carina Flare supershell

Joanne Dawson*, A. Kawamura, N. Mizuno, T. Onishi, Y. Fukui

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Theory predicts the triggered formation of molecular clouds stars through the fragmentation and collapse of swept-up ambient gas. Yet the majority of Galactic HI shells show no more than a scattering of small molecular clouds. The Carina Flare supershell (Fukui et al. 1999) is a rare example of an HI shell with a striking molecular component. Here we present the large-scale morphology of the molecular and atomic gas and the location of YSO candidates. A detailed look at two molecular clumps in the shell walls reveals active, intermediate mass star forming regions at various stages of early evolution.

Original languageEnglish
Pages (from-to)406
Number of pages1
JournalProceedings of the International Astronomical Union
Issue numberS237
Publication statusPublished - Aug 2006
Externally publishedYes


  • ISM: bubbles
  • ISM: structure
  • Stars: formation


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