We use a compilation of star formation histories (SFHs) and cosmological simulations to explore the impact of cosmic reionization on nearby isolated dwarf galaxies. Nearby dwarfs show a wide diversity of SFHs; from ancient systems that completed their star formation (SF) ~10 Gyr ago to young dwarfs that formed themajority of their stars in the past~5Gyr to 'twocomponent' systems characterized by the overlap of old and young stars. As an ensemble, SF in nearby dwarfs dips to lower-than-average rates at intermediate times (4
BENITEZ LLAMBAY, A., Navarro, J., Abadi, M., Gottlöber, S., Yepes, G., Hoffman, Y., et al. (2015). The imprint of reionization on the star formation histories of dwarf galaxies. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 450(4), 4207-4220 [10.1093/mnras/stv925].
The imprint of reionization on the star formation histories of dwarf galaxies
Alejandro Benitez-Llambay
Primo
;
2015
Abstract
We use a compilation of star formation histories (SFHs) and cosmological simulations to explore the impact of cosmic reionization on nearby isolated dwarf galaxies. Nearby dwarfs show a wide diversity of SFHs; from ancient systems that completed their star formation (SF) ~10 Gyr ago to young dwarfs that formed themajority of their stars in the past~5Gyr to 'twocomponent' systems characterized by the overlap of old and young stars. As an ensemble, SF in nearby dwarfs dips to lower-than-average rates at intermediate times (4
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