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Search for Supermassive Black Hole Binaries in the Sloan Digital Sky Survey Spectroscopic Sample
Wenhua Ju, Jenny E. Greene, Roman R. Rafikov +2
Supermassive black hole (SMBH) binaries are expected in a Lambda CDM cosmology given that most (if not all) massive galaxies contain a massive black hole at their center. So far, h…
Variability of Broad Emission Lines in High-Luminosity,High-Redshift Quasars
Sui Chi Woo, David A. Turnshek, Carles Badenes +1
We examine the variability of the high-ionization Lyman alpha lambda 1216 broad emission line (BEL) in a sample of 61 high-luminosity, high-redshift quasars observed at two epochs…
Subaru weak-lensing measurement of a z = 0.81 cluster discovered by the Atacama Cosmology Telescope Survey
Hironao Miyatake, Atsushi J. Nishizawa, Masahiro Takada +25
We present a Subaru weak lensing measurement of ACT-CL J0022.2-0036, one of the most luminous, high-redshift (z=0.81) Sunyaev-Zel'dovich (SZ) clusters discovered in the 268 deg^2 e…
Survey design for Spectral Energy Distribution fitting: a Fisher Matrix approach
Viviana Acquaviva, Eric Gawiser, Steven J. Bickerton +3
The spectral energy distribution (SED) of a galaxy contains information on the galaxy's physical properties, and multi-wavelength observations are needed in order to measure these…