Star-Forming Galaxies at z ~ 2: Stellar and Dynamical Masses

Details Star-Forming Galaxies at z ~ 2: Stellar and Dynamical Masses Star-Forming Galaxies at z ~ 2: Stellar and Dynamical Masses

May 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005assl..329..303e&link_type=abstract

Starbursts: From 30 Doradus to Lyman Break Galaxies, Held in Cambridge, UK, 6-10 September 2004. Edited by R. de Grijs and R.M.

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

We present a comparison of stellar and dynamical masses for 63 UV-selected galaxies with spectroscopic redshifts at z˜2. Stellar masses are determined by fitting SEDs to UGRJK photometry, with the addition of mid-IR data from the Spitzer Space Telescope in some cases. Dynamical masses are determined using the velocity dispersions from Hα spectra. We find a mean stellar mass of 7 × 1010 M&sun; and a mean dynamical mass of 6 × 1010 M&sun;; we discuss the limitations of both mass estimators.

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