Star-forming galaxies at Z∼2:: Stellar and dynamical masses

被引:0
|
作者
Erb, DK [1 ]
Steidel, CC [1 ]
Shapley, AE [1 ]
Pettini, M [1 ]
Reddy, NA [1 ]
Adelberger, KL [1 ]
机构
[1] CALTECH, Dept Astron, Pasadena, CA 91125 USA
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中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present a comparison of stellar and dynamical masses for 63 UV-selected galaxies with spectroscopic redshifts at z similar to 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 H alpha spectra. We find a mean stellar mass of 7 x 10(10) M-circle dot and a mean dynamical mass of 6 x 10(10) M-circle dot; we discuss the limitations of both mass estimators.
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页码:303 / 306
页数:4
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