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Local Group Dwarf Galaxies and the Star Formation Law at High Redshift

Nickolay Y. Gnedin
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Abstract

I show how the existing observational data on Local Group dwarf galaxies can be used to estimate the average star formation law during the first 3 Gyr of the history of the universe. I find that the observational data are consistent with the orthodox Schmidt law with a star formation efficiency of about 4 percent if the star formation is continuous (during the first 3 Gyr). The efficiency is proportionally higher if most of the gas in the dwarfs was consumed (and never replenished) in a short time interval well before the universe turned 3 Gyr.

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Nickolay Y. Gnedin. 2000-04-13. Local Group Dwarf Galaxies and the Star Formation Law at High Redshift. https://doi.org/10.1086/312708

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