Ofer Lahav

Ofer Lahav Ofer Lahav

astro.ucsc.edu
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30.06.2013 Views

Imaging CFHTLS Supernovae SDSS Spectroscopy SDSS Clusters AMI Surveys to measure Dark Energy 2005 2010 CSP CFHTLS SZA FMOS KAOS ATLAS APEX AMIBA SPT ACT CMB WMAP 2/3 WMAP 6 yr 2005 SUBARU ATLAS KIDS DES VISTA JDEM/ Pan-STARRS SNAP DES LSST Pan-STARRS DES JDEM/ SNAP Planck Planck 4yr 2010 LSST SKA SKA 2015 2015

The Dark Energy Survey 300,000,000 photometric redshifts • 4 complementary techniques: * Cluster counts & clustering * Weak lensing * Galaxy angular clustering * SNe Ia distances A new 3 deg 2 camera on the CTIO Blanco 4m Construction 2005-2009 Survey 2009-2014 (~525 nights) 5000 deg 2 g, r, i, z Goal: error bar of few % on W=P/ρ

Imaging CFHTLS<br />

Supernovae<br />

SDSS<br />

Spectroscopy<br />

SDSS<br />

Clusters AMI<br />

Surveys to measure Dark Energy<br />

2005 2010<br />

CSP<br />

CFHTLS<br />

SZA<br />

FMOS KAOS<br />

ATLAS<br />

APEX<br />

AMIBA<br />

SPT<br />

ACT<br />

CMB WMAP 2/3 WMAP 6 yr<br />

2005<br />

SUBARU<br />

ATLAS KIDS<br />

DES<br />

VISTA JDEM/<br />

Pan-STARRS<br />

SNAP<br />

DES LSST<br />

Pan-STARRS<br />

DES<br />

JDEM/<br />

SNAP<br />

Planck Planck 4yr<br />

2010<br />

LSST SKA<br />

SKA<br />

2015<br />

2015

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