Stochasticity in dwarf galaxies during
reionization
Jaime E. Forero-RomeroIAU Gruber Fellow - [email protected]
Astronomy Department UC BerkeleyUniversidad de los Andes, Colombia
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Keck
Hubble
VLT
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ELT
JWST
ALMA
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Illin
gwor
th
LyαLyC UV
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JEFR, Yepes, Gottloeber & Prada (2012)
Lyman-alpha / UV
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Siana et al. (2010)
Lyman-C / UV
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Effects of Star Formation Stochasticity on the Lyα & Lyman Continuum Emission from Dwarf Galaxies
JEF-R & Mark Dijsktra, 2012arXiv: 1206.0726
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stochasticity
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Da Silva, Fumagalli & Krumholz (2012)
Star Formation Stochasticity
Sampling stochasticity
Temporal stochasticity
Cluster amplification
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Da Silva, Fumagalli & Krumholz (2012)
Stochastically Lighting Up Galaxies (SLUG)
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Lym
an-a
lpha
Lum
inos
ity
Time [Gyr]0.0 1.0
42.0
43.0
41.0
40.0
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Lyman-alphaequivalent width
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JEFR & Dijkstra (2012)
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JEFR & Dijkstra (2012)
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JEFR & Dijkstra (2012)
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JEFR & Dijkstra (2012)
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JEFR & Dijkstra (2012)
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Lyman-continuumescape fraction
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Siana et al. (2010)
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Siana et al. (2010)
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JEFR & Dijkstra (2012)
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• Explain high EW Lyman-alpha values.
• Produce low EW Lyman-alpha values.
• Explain observations of ‘Lyman-bump galaxies’
• Strong conclusions require large galaxy samples.
Stochasticity in Dwarf Galaxies
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