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| Paper: |
Reconciling the Star Formation and Stellar Mass Densities |
| Volume: |
440, UP2010: Have Observations Revealed a Variable Upper End of the Initial Mass Function? |
| Page: |
385 |
| Authors: |
Reddy, N. A. |
| Abstract: |
It has been suggested recently that the apparent discrepancy between
the star formation history of the Universe and measurements of the
stellar mass density at high redshift may be reconciled by invoking an
IMF that evolves with redshift. While this is an intriguing
possibility, I show that the available data suggest that there is a
general agreement between the star formation and stellar mass
histories, once certain important systematic effects are taken into
account, including the variation of dust attenuation with luminosity,
the stellar mass in UV faint galaxies, and the evolution of L*
of the UV luminosity function. |
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