[PDF] Top 20 Dark energy survey year 1 results: redshift distributions of the weak-lensing source galaxies

... ): the i-band fluxes are adjusted according to the Galactic extinction implied by the Schlegel, Finkbeiner & Davis ( 1998 ) dust map with the O’Donnell ( 1994 ) extinction ...Then, ... See full document

... in the ICL raw detection from background and cluster galaxies ). The methods allow us to acquire high signal-to-noise measurements of the ICL and central galaxies (CGs), which we ... See full document

... in the angular distribution of galaxies, a determination of the photometric redshift as precise as possible brings several ...in the mapping of the BAO ... See full document

... describe the creation, content, and validation of the Dark Energy Survey (DES) internal year-one cosmology data set, Y1A1 GOLD, in support of upcoming cosmological ... See full document

... We perform a joint analysis of intrinsic alignments and cosmology using tomographic weak lensing, galaxy clustering, and galaxy–galaxy lensing measurements from Year 1 Y1 of the Dark Ene[r] ... See full document

... combination of galaxy and CMB lensing, we effectively get to measure the lensing effects of LSS ...between the lensing measurements performed with these two sources ... See full document

... beyond the standard scenario. First, the most elegant way to obtain small neutrino masses is the seesaw model [85], which typically relies on three new heavy Standard Model singlets, or sterile ... See full document

... on the galaxy density contrast and weak lensing convergence maps with HEALPIX pixelization of resolution N side = 4096, which corresponds to an average pixel size of ...For ... See full document

... In the past decade, a separate technique of determining redshifts has been studied, starting most prominently with Schneider et ...). The technique, sometimes called the cross-correlation ... See full document

... in the analysis of galaxy surveys data, both for the accurate computation of covariance matrices, and for the optimization of analysis methodology and validation of data ... See full document

... from the so-called Y1 Gold catalogue (Drlica-Wagner et ...from the data reduction performed by the Dark Energy Survey Data Management (DESDM) system on DECam ...images. ... See full document

... number of maps one expects there to be some amount of covariance between the maps and the true galaxy density field due to ...over-correct the galaxy density field using the type ... See full document

... Our results are shown in the upper panels of ...and the residual shifts in the mean z A after the calibration are summarized in the first row of Tables 1 ... See full document

... use the likelihood framework described in Krause et ...analyse the clustering of redMaGiC galaxies (Rozo et ...), the shear profile around red- MaGiC galaxies (Prat et ...and ... See full document

... for the full photometric redshift distributions, we find that for our ...0.83 source bin, the non-linear linear alignment model predicts at most an ∼4 per cent contamination of ... See full document

... Most of the above void finders have either been applied to simulations, or galaxy survey data with spectroscopic redshifts (spec-z), where the precise positions of tracers are available ... See full document

... select the background source galaxies for our WL study, and then perform a number of cluster-lensing specific tests to further validate our ...examining the shear profiles for ... See full document

... measure the positions and gravitational lensing-induced shears of millions of ...on the sky: the spin-0 galaxy overdensity field, δ g , and the spin-2 weak ... See full document

... and galaxies associated with the targeted clusters also enter the catalogue if they satisfy those ...cluster galaxies would be excluded ...at the lens redshift and carry no ... See full document

... We study the effect of diffuse intracluster light on the critical surface mass density estimated from photometric redshifts of lensing source galaxies, and the resulting bias in a weak l[r] ... See full document