The Stellar Populations of Lyman Break Galaxies at $z\sim 5$

Abstract

We present the results of Spectral Energy Distribution (SED) fitting analysis for Lyman Break Galaxies (LBGs) at $z\sim 5$ in the GOODS-N and its flanking fields. From the SED fitting for $\sim 100$ objects, we found that the stellar masses range from $10^8$ to $10^{11}{M}_{\odot }$ with a median value of $4\times 10^9{M}_{\odot }$. By using the large sample of galaxies at $z\sim 5$, we construct the stellar mass function (SMF) with incompleteness corrections. By integrating down to $10^8{M}_{\odot }$, the cosmic stellar mass density at $z\sim 5$ is calculated to be $7\times 10^6{M}_{\odot }{\text{Mpc}}^{-3}$.

2 pages, 1 figure, proceedings of the first Subaru International Conference: "Panoramic Views of Galaxy Formation and Evolution", Hayama, Japan, December 2007