The characteristic stellar mass as a function of redshift

Abstract

We present a model for the star formation process during the initial collapse of dark matter haloes at redshifts z=0-30. We derive a simple expression for the characteristic stellar mass scale during this initial burst of star formation. In our picture, this characteristic scale reflects both the minimum temperature to which the gas can cool (determined by the metallicity and the temperature of the cosmic microwave background) and the pressure of overlying baryons in the collapsing halo. This prescription reproduces both the large mass scales found in simulations of Population III star formation and the near solar values observed for star formation at low redshift.

8 pages, 4 figures, accepted for publication in MNRAS

References in corpus (8)

• The Formation of a Star Cluster: Predicting the Properties of Stars and Brown Dwarfs
• A stellar relic from the early Milky Way
• First-generation black-hole-forming supernovae and the metal abundance pattern of a very iron-poor star
• The Formation Mechanism of Brown Dwarfs
• The Formation of Close Binary Systems by Dynamical Interactions and Orbital Decay
• Low-Mass Relics of Early Star Formation
• Three Epochs of Star Formation in the High Redshift Universe
• Faint Stars in the Ursa Minor Dwarf Spheroidal Galaxy: Implications for the Low-Mass Stellar Initial Mass Function at High Redshift

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• The evolution of the C/O ratio in metal-poor halo stars
• The stellar content of the Hamburg/ESO survey. IV. Selection of candidate metal-poor stars
• The cooling of shock-compressed primordial gas
• Critical Metallicity and Fine-Structure Emission of Primordial Gas Enriched by the First Stars
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• Probing Pre-galactic Metal Enrichment with High-Redshift Gamma-Ray Bursts
• Star Formation in the First Galaxies - II: Clustered Star Formation and the Influence of Metal Line Cooling
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• Impact of Cosmic Rays on Population III Star Formation
• Top-heavy integrated galactic stellar initial mass functions (IGIMFs) in starbursts
• Formation of HD molecules in merging dark matter haloes
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• Probing the initial mass function of the first stars with transients
• Cosmic Renaissance: The First Sources of Light
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• Extremely-Metal Poor Stars in the Milky Way: A Second Generation Formed after Reionization
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• Thermal Regulation and the Star-Forming Main Sequence
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