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The DESI Experiment Part II: Instrument Design
DESI Collaboration, Amir Aghamousa, Jessica Aguilar +290
DESI (Dark Energy Spectropic Instrument) is a Stage IV ground-based dark energy experiment that will study baryon acoustic oscillations and the growth of structure through redshift…
The DESI Experiment Part I: Science,Targeting, and Survey Design
DESI Collaboration, Amir Aghamousa, Jessica Aguilar +290
DESI (Dark Energy Spectroscopic Instrument) is a Stage IV ground-based dark energy experiment that will study baryon acoustic oscillations (BAO) and the growth of structure through…
CODEX Weak Lensing: Concentration of Galaxy Clusters at z ~ 0.5
N. Cibirka, E. S. Cypriano, F. Brimioulle +13
We present a stacked weak lensing analysis of 27 richness selected galaxy clusters at in the CODEX survey. The fields were observed in 5 bands wit…
Searching for Dark Matter Annihilation in Recently Discovered Milky Way Satellites with Fermi-LAT
The Fermi-LAT, DES Collaborations, A. Albert +70
We search for excess gamma-ray emission coincident with the positions of confirmed and candidate Milky Way satellite galaxies using 6 years of data from the Fermi Large Area Telesc…
Weak lensing magnification in the Dark Energy Survey Science Verification Data
M. Garcia-Fernandez, E. Sánchez, I. Sevilla-Noarbe +68
In this paper the effect of weak lensing magnification on galaxy number counts is studied by cross-correlating the positions of two galaxy samples, separated by redshift, using dat…
On the Level of Cluster Assembly Bias in SDSS
Ying Zu, Rachel Mandelbaum, Melanie Simet +2
Recently, several studies have discovered a strong discrepancy between the large-scale clustering biases of two subsamples of galaxy clusters at the same halo mass, split by their…
Nearest Neighbor: The Low-Mass Milky Way Satellite Tucana III
J. D. Simon, T. S. Li, A. Drlica-Wagner +56
We present Magellan/IMACS spectroscopy of the recently discovered Milky Way satellite Tucana III (Tuc III). We identify 26 member stars in Tuc III, from which we measure a mean rad…
Weak-lensing mass calibration of redMaPPer galaxy clusters in Dark Energy Survey Science Verification data
P. Melchior, D. Gruen, T. McClintock +78
We use weak-lensing shear measurements to determine the mean mass of optically selected galaxy clusters in Dark Energy Survey Science Verification data. In a blinded analysis, we s…
SPIDERS: the spectroscopic follow-up of X-ray selected clusters of galaxies in SDSS-IV
Nicolas Clerc, Andrea Merloni, Yu-Ying Zhang +17
SPIDERS (The SPectroscopic IDentification of eROSITA Sources) is a program dedicated to the homogeneous and complete spectroscopic follow-up of X-ray AGN and galaxy clusters over a…
Inference from the small scales of cosmic shear with current and future Dark Energy Survey data
N. MacCrann, J. Aleksić, A. Amara +61
Cosmic shear is sensitive to fluctuations in the cosmological matter density field, including on small physical scales, where matter clustering is affected by baryonic physics in g…
Calibrating the Planck Cluster Mass Scale with CLASH
M. Penna-Lima, J. G. Bartlett, E. Rozo +5
We determine the mass scale of Planck galaxy clusters using gravitational lensing mass measurements from the Cluster Lensing And Supernova survey with Hubble (CLASH). We have compa…
The Evolution of Active Galactic Nuclei in Clusters of Galaxies from the Dark Energy Survey
E. Bufanda, D. Hollowood, T. E. Jeltema +53
The correlation between active galactic nuclei (AGN) and environment provides important clues to AGN fueling and the relationship of black hole growth to galaxy evolution. In this…
Optical-SZE Scaling Relations for DES Optically Selected Clusters within the SPT-SZ Survey
A. Saro, S. Bocquet, J. Mohr +68
We study the Sunyaev-Zel'dovich effect (SZE) signature in South Pole Telescope (SPT) data for an ensemble of 719 optically identified galaxy clusters selected from 124.6 deg of…
Tidal stripping as a test of satellite quenching in redMaPPer clusters
Yuedong Fang, Joseph Clampitt, Neal Dalal +4
When dark matter halos are accreted by massive host clusters, strong gravitational tidal forces begin stripping mass from the accreted subhalos. This stripping eventually removes a…
Cosmic Voids and Void Lensing in the Dark Energy Survey Science Verification Data
C. Sánchez, J. Clampitt, A. Kovacs +69
Galaxies and their dark matter halos populate a complicated filamentary network around large, nearly empty regions known as cosmic voids. Cosmic voids are usually identified in spe…
Intrinsic alignments in redMaPPer clusters -- I. Central galaxy alignments and angular segregation of satellites
Hung-Jin Huang, Rachel Mandelbaum, Peter E. Freeman +4
The shapes of cluster central galaxies are not randomly oriented, but rather exhibit coherent alignments with the shapes of their parent clusters as well as with the surrounding la…
Cosmology from large scale galaxy clustering and galaxy-galaxy lensing with Dark Energy Survey Science Verification data
Juliana Kwan, Carles Sanchez, Joseph Clampitt +80
We present cosmological constraints from the Dark Energy Survey (DES) using a combined analysis of angular clustering of red galaxies and their cross-correlation with weak gravitat…
Galaxy Populations in Massive Galaxy Clusters to z=1.1: Color Distribution, Concentration, Halo Occupation Number and Red Sequence Fraction
C. Hennig, J. J. Mohr, A. Zenteno +70
We study the galaxy populations in 74 Sunyaev Zeldovich Effect (SZE) selected clusters from the South Pole Telescope (SPT) survey that have been imaged in the science verification…
Constraining the Mass-Richness Relationship of redMaPPer Clusters with Angular Clustering
Eric J. Baxter, Eduardo Rozo, Bhuvnesh Jain +2
The potential of using cluster clustering for calibrating the mass-observable relation of galaxy clusters has been recognized theoretically for over a decade. Here, we demonstrate…
Cosmology constraints from shear peak statistics in Dark Energy Survey Science Verification data
T. Kacprzak, D. Kirk, O. Friedrich +81
Shear peak statistics has gained a lot of attention recently as a practical alternative to the two point statistics for constraining cosmological parameters. We perform a shear pea…
Weak Lensing Measurement of the Mass--Richness Relation of SDSS redMaPPer Clusters
Melanie Simet, Tom McClintock, Rachel Mandelbaum +4
We perform a measurement of the mass--richness relation of the redMaPPer galaxy cluster catalogue using weak lensing data from the Sloan Digital Sky Survey. We have carefully chara…
Galaxy-Galaxy Lensing in the DES Science Verification Data
J. Clampitt, C. Sánchez, J. Kwan +73
We present galaxy-galaxy lensing results from 139 square degrees of Dark Energy Survey (DES) Science Verification (SV) data. Our lens sample consists of red galaxies, known as redM…
Detection of the kinematic Sunyaev-Zel'dovich effect with DES Year 1 and SPT
B. Soergel, S. Flender, K. T. Story +80
We detect the kinematic Sunyaev-Zel'dovich (kSZ) effect with a statistical significance of by combining a cluster catalogue derived from the first year data of the Dark Ene…
A Dark Energy Camera Search for Missing Supergiants in the LMC After the Advanced LIGO Gravitational Wave Event GW150914
J. Annis, M. Soares-Santos, E. Berger +104
The collapse of the core of a star is expected to produce gravitational radiation. While this process will usually produce a luminous supernova, the optical signatue could be sublu…