@article{sharma_duration_2017,
	title = {The duration of reionization constrains the ionizing sources},
	volume = {1712},
	url = {http://adsabs.harvard.edu/abs/2017arXiv171206619S},
	abstract = {We investigate how the nature of the galaxies that reionized the Universe affects the duration of reionization. We contrast two models: one in which galaxies on the faint side of the luminosity function dominate the ionizing emissivity, and a second in which the galaxies on the bright side of the luminosity function dominate. The faint-end of the luminosity function evolves slowly, therefore the transition from mostly neutral to mostly ionized state takes a much longer time in the first model compared to the second. Existing observational constraints on the duration of this transition are relatively weak, but taken at face value prefer the model in which galaxies on the bright side play a major role. Measurements of the kinetic Sunyaev Zeldovich effect in the cosmic microwave background from the epoch of reionization also point in the same direction.},
	urldate = {2018-01-27},
	journal = {ArXiv e-prints},
	author = {Sharma, Mahavir and Theuns, Tom and Frenk, Carlos},
	month = dec,
	year = {2017},
	keywords = {Astrophysics - Astrophysics of Galaxies, Astrophysics - Cosmology and Nongalactic Astrophysics},
	pages = {arXiv:1712.06619},
}

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