Low-Metallicity Blue Compact Dwarfs as Templates for Primordial Star Formation
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Understanding how galaxies formed their first stars is a vital cosmological question, but the study of high-redshift objects, caught in the act of forming their first stars, is difficult. Here we argue that two extremely low-metallicity Blue Compact Dwarf galaxies (BCDs), IZw18 and SBS0335-052, could be local templates for primordial star formation, since both lack evolved ($> $1 Gyr) stellar populations; but they form stars differently.
1 page, 1 figure: to appear in the proceedings of "Galaxy Evolution: Theory and Observations", Eds. V. Avila-Reese, C. Firmani, C. Frenk, & C. Allen, RevMexAA SC (2003) (Cozumel, Mexico, April, 2002)
1 page, 1 figure: to appear in the proceedings of "Galaxy Evolution: Theory and Observations", Eds. V. Avila-Reese, C. Firmani, C. Frenk, & C. Allen, RevMexAA SC (2003) (Cozumel, Mexico, April, 2002)