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A Survey for Supernovae in Massive High-Redshift Clusters
Keren Sharon, A. Gal-Yam, D. Maoz +12
We describe our ongoing program designed to measure the SN-Ia rate in a sample of massive z=0.5-0.9 galaxy clusters. The SN-Ia rate is a poorly known observable, especially at high…
The Deep Chandra Survey of the Groth Strip - II. optical identification of the X-ray sources
A. Georgakakis, K . Nandra, E. S. Laird +9
We discuss the optical and X-ray spectral properties of the sources detected in a single 200ks Chandra pointing in the Groth-Westphal Strip region. Optical identifications and spec…
The DEEP Groth Strip Survey VI. Spectroscopic, Variability, and X-ray Detection of AGN
Vicki L. Sarajedini, David C. Koo, Andrew C. Phillips +8
We identify active galactic nuclei (AGN) in the Groth-Westphal Survey Strip (GSS) using the independent and complementary selection techniques of optical spectroscopy and photometr…