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The BOSS Emission-Line Lens Survey (BELLS). I. A large spectroscopically selected sample of Lens Galaxies at redshift ~ 0.5
Joel R. Brownstein, Adam S. Bolton, David J. Schlegel +11
We present a catalog of 25 definite and 11 probable strong galaxy-galaxy gravitational lens systems with redshifts 0.4 \lesssim z \lesssim 0.7, discovered spectroscopically by the…
What is a Spectrum?
Adam S. Bolton, Stephen Bailey, Joel Brownstein +3
This contribution describes the "spectro-perfectionism" algorithm of Bolton & Schlegel (2010, PASP, 122, 248) that is being implemented within the Baryon Oscillation Spectroscopic…
Evidence for dark matter contraction and a Salpeter IMF in a massive early-type galaxy
Alessandro Sonnenfeld, Tommaso Treu, Raphael Gavazzi +5
Stars and dark matter account for most of the mass of early-type galaxies, but uncertainties in the stellar population and the dark matter profile make it challenging to distinguis…
Evolution of The Velocity-Dispersion Function of Luminous Red Galaxies: A Hierarchical Bayesian Measurement
Yiping Shu, Adam S. Bolton, David J. Schlegel +5
We present a hierarchical Bayesian determination of the velocity-dispersion function of approximately 430,000 massive luminous red galaxies(LRGs) observed at relatively low spectro…
Two-dimensional kinematics of SLACS lenses - IV. The complete VLT-VIMOS data set
Oliver Czoske, Matteo Barnabè, Léon V. E. Koopmans +2
This paper presents the full VLT/VIMOS-IFU data set and related data products from an ESO Large Programme with the observational goal of obtaining two-dimensional kinematic data of…
Evolution of the Most Massive Galaxies to z=0.6: I. A New Method for Physical Parameter Estimation
Yan-Mei Chen, Guinevere Kauffmann, Christy A. Tremonti +10
We use principal component analysis (PCA) to estimate stellar masses, mean stellar ages, star formation histories (SFHs), dust extinctions and stellar velocity dispersions for ~290…