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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…
Photometric Redshift Probability Distributions for Galaxies in the SDSS DR8
Erin S. Sheldon, Carlos Cunha, Rachel Mandelbaum +2
We present redshift probability distributions for galaxies in the SDSS DR8 imaging data. We used the nearest-neighbor weighting algorithm presented in Lima et al. 2008 and Cunha et…
Type Ia Supernova Carbon Footprints
R. C. Thomas, G. Aldering, P. Antilogus +32
We present convincing evidence of unburned carbon at photospheric velocities in new observations of 5 Type Ia supernovae (SNe Ia) obtained by the Nearby Supernova Factory. These SN…
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…
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…
Mass growth and mergers: direct observations of the luminosity function of LRG satellite galaxies out to z=0.7 from SDSS and BOSS images
Tomer Tal, David A. Wake, Pieter G. van Dokkum +4
We present a statistical study of the luminosity functions of galaxies surrounding luminous red galaxies (LRGs) at average redshifts <z>=0.34 and <z>=0.65. The luminosity functions…
Ameliorating Systematic Uncertainties in the Angular Clustering of Galaxies: A Study using SDSS-III
Ashley J Ross, Shirley Ho, Antonio J. Cuesta +29
We investigate the effects of potential sources of systematic error on the angular and photometric redshift, z_phot, distributions of a sample of redshift 0.4 < z < 0.7 massive gal…
The BigBOSS Experiment
D. Schlegel, F. Abdalla, T. Abraham +138
BigBOSS is a Stage IV ground-based dark energy experiment to study baryon acoustic oscillations (BAO) and the growth of structure with a wide-area galaxy and quasar redshift survey…
The Morphology of Galaxies in the Baryon Oscillation Spectroscopic Survey
Karen L. Masters, Claudia Maraston, Robert C. Nichol +17
We study the morphology of luminous and massive galaxies at 0.3<z<0.7 targeted in the Baryon Oscillation Spectroscopic Survey (BOSS) using publicly available Hubble Space Telescope…
Improved background subtraction for the Sloan Digital Sky Survey images
Michael R. Blanton, Eyal Kazin, Demitri Muna +2
We describe a procedure for background subtracting Sloan Digital Sky Survey (SDSS) imaging that improves the resulting detection and photometry of large galaxies on the sky. Within…
Photometric redshifts and quasar probabilities from a single, data-driven generative model
Jo Bovy, Adam D. Myers, Joseph F. Hennawi +7
We describe a technique for simultaneously classifying and estimating the redshift of quasars. It can separate quasars from stars in arbitrary redshift ranges, estimate full poster…
The Lyman-alpha forest in three dimensions: measurements of large scale flux correlations from BOSS 1st-year data
Anže Slosar, Andreu Font-Ribera, Matthew M. Pieri +34
Using a sample of approximately 14,000 z>2.1 quasars observed in the first year of the Baryon Oscillation Spectroscopic Survey (BOSS), we measure the three-dimensional correlation…
A Simple Likelihood Method for Quasar Target Selection
Jessica A. Kirkpatrick, David J. Schlegel, Nicholas P. Ross +5
We present a new method for quasar target selection using photometric fluxes and a Bayesian probabilistic approach. For our purposes we target quasars using Sloan Digital Sky Surve…
The reddening law of Type Ia Supernovae: separating intrinsic variability from dust using equivalent widths
N. Chotard, E. Gangler, G. Aldering +28
We employ 76 type Ia supernovae with optical spectrophotometry within 2.5 days of B-band maximum light obtained by the Nearby Supernova Factory to derive the impact of Si and Ca fe…
Keck Observations of the Young Metal-Poor Host Galaxy of the Super-Chandrasekhar-Mass Type Ia Supernova SN 2007if
M. Childress, G. Aldering, C. Aragon +28
We present Keck LRIS spectroscopy and -band photometry of the metal-poor, low-luminosity host galaxy of the super-Chandrasekhar mass Type Ia supernova SN 2007if. Deep imaging of…
The Eighth Data Release of the Sloan Digital Sky Survey: First Data from SDSS-III
III collaboration, Hiroaki Aihara, Carlos Allende Prieto +178
The Sloan Digital Sky Survey (SDSS) started a new phase in August 2008, with new instrumentation and new surveys focused on Galactic structure and chemical evolution, measurements…