'Cosmic shear' presentation slideshows

Quantifying Dark Energy with Cosmic Shear

Quantifying Dark Energy with Cosmic Shear. Sarah Bridle, UCL. Dark energy observables Cosmic shear Euclid. Quantifying Dark Energy with Cosmic Shear. Sarah Bridle, UCL. Dark energy observables Cosmic shear Euclid. Concordance Model. 70% Dark Energy. 5% Baryonic Matter.

1.32k views • 115 slides

The Large Synoptic Survey Telescope Project

The Large Synoptic Survey Telescope Project. Steven M. Kahn Friday Seminar Cornell University January 28, 2005. The LSST Consortium. LSST Organization. Three main sub-project teams: Telescope/Site (NSF): NOAO, U. of A rizona Camera (DOE) :

876 views • 69 slides

LSST and JDEM as Complementary Probes of Dark Energy

LSST and JDEM as Complementary Probes of Dark Energy. Tony Tyson, Andy Connolly, Zeljko Ivezic, James Jee, Steve Kahn, Sam Schmidt, Don Sweeney, Dave Wittman, Hu Zhan. JDEM SCG Telecon November 25, 2008. Outline. Science drivers Hardware implementation Systematics Simulations

641 views • 50 slides

The Large Synoptic Survey Telescope

The Large Synoptic Survey Telescope. Presentation to P5 April 20, 2006 Tony Tyson Director, LSST Physics Department, Univ. of California, Davis Steven Kahn Deputy Director and Camera Lead Scientist, LSST Stanford/SLAC. Large Synoptic Survey Telescope. History :

659 views • 49 slides

Impact of intrinsic alignments on cosmic shear

625 views • 47 slides

Weak Lensing 3

583 views • 44 slides

Measuring the Growth Factor via Gravitational Lensing

Measuring the Growth Factor via Gravitational Lensing. James Taylor University of Waterloo. Origins of Dark Energy Origins Institute, May 14-17 2007. Observational Paths to Dark Energy. }. geometry. }. growth of structure. line-of-sight distances, e.g. D L (a) from SNe

486 views • 39 slides

The significance of s 8 and W m measurements

The significance of s 8 and W m measurements. Sarah Bridle, IoA, Cambridge. Current status of s 8 , W m plane Importance of study Future non-velocity work -> s 8 , O m Some questions. The two structure formation parameters:. W m = density of the universe dark + baryonic matter

420 views • 30 slides

Future Probes of the Scalar and Tensor Primordial Perturbation Spectra

Future Probes of the Scalar and Tensor Primordial Perturbation Spectra. Lloyd Knox (UC Davis). with Manoj Kaplinghat (UC Davis) Yong-Seon Song (UC Davis). Special thanks to Tony Tyson & David Wittman. Future Probes of Scalar and Tensor Spectra. Tensor spectra From the CMB

406 views • 28 slides

Cosmic scaffolding and the growth of structure

343 views • 26 slides

LSST and Dark Energy

LSST and Dark Energy. Tony Tyson, UC Davis. Outline: LSST Project Dark Energy Measurements Controlling Systematic Errors. Dark Energy - STScI May 7, 2008. deep wide fast. LSST Primary/Tertiairy Mirror Fabriacation. 3200 megapixel camera. 2d. Focal plane. Sci CCD. 40 mm.

373 views • 26 slides

Weak Lensing with LSST

Weak Lensing with LSST. Weak lensing intro Predicted performance Challenges for LSST Should the UK join LSST Corp for the sake of WL? Questions International LSST Weak Lensing Working Group led by Wittman (UCDavis) and Jain (UPenn)

448 views • 25 slides

Weak Lensing

Weak Lensing. Alexandre Refregier (CEA/Saclay) Collaborators: Richard Massey (Cambridge), Tzu-Ching Chang (Columbia), David Bacon (Edinburgh), Jason Rhodes (GSFC), Richard Ellis (Caltech) Reviews: Bartelmann & Schneider 2000; Mellier et al. 2002; Hoekstra et al. 2002; Wittman 2002

376 views • 24 slides

Cosmological Weak Lensing With SKA in the Planck era

Cosmological Weak Lensing With SKA in the Planck era. Y. Mellier. SKA, IAP, October 27 , 2006. Cosmic shear : propagation of light through the cosmic web. ~ Gpc. Cosmological distortion field projected on the sky.

352 views • 23 slides

Weak Gravitational Lensing and Cluster Counts

Weak Gravitational Lensing and Cluster Counts. Alexandre Refregier (CEA Saclay) Collaborators: Jason Rhodes (Caltech) Richard Massey (Cambridge) David Bacon (Edinburgh) Tzu-Ching Chang (Berkeley) Justin Albert (Caltech) Richard Ellis (Caltech) Adam Amara (Cambridge)

399 views • 23 slides

Weak lensing with GEMS G alaxy E volution from M orphologies and S EDS

Weak lensing with GEMS G alaxy E volution from M orphologies and S EDS. Catherine Heymans Max-Planck-Institute for Astronomy, Heidelberg & the GEMS collaboration:

289 views • 21 slides

Dark Energy Probes with DES (focus on cosmology)

Dark Energy Probes with DES (focus on cosmology). Seokcheon Lee (KIAS) Feb.15.2013 Section : Survey Science III. Outline. The Dark Energy Survey (DES) DECam Survey Supernovae Baryon Acoustic Oscillations ( refer ??? ) Cluster Numbers Weak Lensing ( refer ??? , ??? ) Forecast.

336 views • 17 slides

Scalar field quintessence by cosmic shear

248 views • 12 slides

Shapelets analysis of weak lensing surveys

191 views • 11 slides

Ludovic Van Waerbeke Department of Physics and Astronomy University of British Columbia

A (very short) introduction to E/B modes Measurement and high order statistics. Ludovic Van Waerbeke Department of Physics and Astronomy University of British Columbia. Cosmic Shear two-points Statistics and mass Power Spectrum. Top-hat shear variance at scale Q c :.

212 views • 11 slides