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2010 CFHT Users Meeting
November 16-18, 2010
ASIAA Auditorium, Taipei, Taiwan

Poster Presentation

The properties of low-mass star forming galaxies as seen by GALEX

Author(s): S. Arnouts, B. Milliard, M. Treyer, M. Zamojski, E. LeFloc'h, O Ilbert, D. Schiminovich, D. Vibert

Presenter: Stephane Arnouts (CFHT)

Based on the new EM photometry and photometric redshifts in the 4 CFHTLS deep fields, we revise our original estimates of the FUV
Luminosity functions. We split our sample by stellar masses down to M/Mo ~10^8 to investigate the relative contribution to the Star Formation Rate density. We investigate the physical properties of the star forming galaxies: stellar mass, age, dust properties and specific star formation rate with a special focus on the low mass end ( SMILY_.png Lg(M/Mo)<9) under "easy" reach with GALEX DIS observations. Our results support the "staged galaxy formation" process proposed by Noeske et al. (2007) in which lower mass galaxies tend to form more recently than most massive ones, within a global scenario of gas exhaustion.

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