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The Complex Structure of the Cl 1604 Supercluster at z~0.9
R. R. Gal, B. C. Lemaux, L. M. Lubin +2
The Cl1604 supercluster at z=0.9 is one of a small handful of such structures discovered in the high redshift universe, and is the first target observed as part of the Observations…
Mass Along the Line of Sight to the Gravitational Lens B1608+656: Galaxy Groups and Implications for H_0
C. D. Fassnacht, R. R. Gal, L. M. Lubin +3
We report the discovery of four groups of galaxies along the line of sight to the B1608+656 gravitational lens system. One group is at the redshift of the primary lensing galaxy (z…
Massive Star Populations in Wolf-Rayet Galaxies
I. F. Fernandes, R. de Carvalho, T. Contini +1
We analyze longslit spectral observations of fourteen Wolf-Rayet galaxies from the sample of Schaerer, Contini & Pindao (1999). All 14 galaxies show broad Wolf-Rayet emission in th…
Spectroscopic Confirmation of the Cl 1604 Supercluster at z~0.9
R. R. Gal, L. M. Lubin
We present spectroscopic confirmation of the Cl 1604 supercluster at z~0.9. Originally detected as two individual clusters, Cl 1604+4304 at z = 0.90 and Cl 1604+4321 at z = 0.92, w…