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| Paper: |
Accretion Regulated Star Formation in Late-Type Galaxies |
| Volume: |
440, UP2010: Have Observations Revealed a Variable Upper End of the Initial Mass Function? |
| Page: |
403 |
| Authors: |
Pflamm-Altenburg, J.; Hensler, G. |
| Abstract: |
We develop a four-phase galaxy evolution model in order to study the effect
of accretion of extra-galactic gas on the star formation rate (SFR)
of a galaxy. Pure self-regulated star formation of isolated galaxies is replaced
by an accretion-regulated star formation mode. The SFR settles into
an equlibrium determined entirely by the gas accretion rate on a Gyr
time scale. |
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