The Evolution of Stellar Mass Density and its Implied Star Formation History

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dc.creatorWilkins, S. M.
dc.creatorTrentham, N.
dc.creatorHopkins, A. M.
dc.date2008-03-27
dc.date.accessioned2026-07-07T09:29:06Z
dc.date.available2026-07-07T09:29:06Z
dc.descriptionUsing a compilation of measurements of the stellar mass density as a function of redshift we can infer the cosmic star formation history. For z < 0.7 there is good agreement between the two star formation histories. At higher redshifts the instantaneous indicators suggest star formation rates larger than that implied by the evolution of the stellar mass density. This discrepancy peaks at z = 3 where instantaneous indicators suggest a star formation rate around 0.6 dex higher than those of the best fit to the stellar mass history. We discuss a variety of explanations for this inconsistency, such as inaccurate dust extinction corrections, incorrect measurements of stellar masses and a possible evolution of the stellar initial mass function.
dc.description4 pages, in "Panoramic Views of Galaxy Formation and Evolution" the 1st Subaru international conference, Hayama, Japan, Dec. 2007
dc.identifierhttps://arxiv.org/abs/0803.4024
dc.identifierhttp://arxiv.org/abs/0803.4024
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/157667
dc.subjectAstrophysics
dc.titleThe Evolution of Stellar Mass Density and its Implied Star Formation History
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