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Title: Joint measurement of lensing-galaxy correlations using SPT and DES SV data

We measure the correlation of galaxy lensing and cosmic microwave background lensing with a set of galaxies expected to trace the matter density field. The measurements are performed using pre-survey Dark Energy Survey (DES) Science Verification optical imaging data and millimeter-wave data from the 2500 square degree South Pole Telescope Sunyaev-Zel'dovich (SPT-SZ) survey. The two lensing-galaxy correlations are jointly fit to extract constraints on cosmological parameters, constraints on the redshift distribution of the lens galaxies, and constraints on the absolute shear calibration of DES galaxy lensing measurements. We show that an attractive feature of these fits is that they are fairly insensitive to the clustering bias of the galaxies used as matter tracers. The measurement presented in this work confirms that DES and SPT data are consistent with each other and with the currently favored $$\Lambda$$CDM cosmological model. In conclusion, it also demonstrates that joint lensing-galaxy correlation measurement considered here contains a wealth of information that can be extracted using current and future surveys.
  1. Univ. of Pennsylvania, Philadelphia, PA (United States). et al.
Publication Date:
Report Number(s):
FERMILAB-PUB-16-070-A; arXiv:1602.07384; SLAC-PUB-16863; BNL-112557-2016-JA
Journal ID: ISSN 0035-8711; 1423268
Grant/Contract Number:
AC02-07CH11359; AC02-76SF00515; AC76-SF00515; AC02-06CH11357; SC00112704
Accepted Manuscript
Journal Name:
Monthly Notices of the Royal Astronomical Society
Additional Journal Information:
Journal Volume: 461; Journal Issue: 4; Journal ID: ISSN 0035-8711
Royal Astronomical Society
Research Org:
Argonne National Lab. (ANL), Argonne, IL (United States); Brookhaven National Laboratory (BNL), Upton, NY (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Contributing Orgs:
DES; SPT; DES Collaboration
Country of Publication:
United States
79 ASTRONOMY AND ASTROPHYSICS; cosmic background radiation; gravitational lensing: weak; large-scale structure of the universe
OSTI Identifier:
Alternate Identifier(s):
OSTI ID: 1331208; OSTI ID: 1333873; OSTI ID: 1336111