Weak lensing mass-selected cluster catalogues Richard Massey (CalTech) with Justin Albert (CalTech), Joel Berge (Saclay), Richard Ellis (CalTech), Takashi.

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Presentation transcript:

Weak lensing mass-selected cluster catalogues Richard Massey (CalTech) with Justin Albert (CalTech), Joel Berge (Saclay), Richard Ellis (CalTech), Takashi Hamana (Tokyo), Jean-Paul Kneib (Marseille), Alexie Leauthaud (Marseille), Satoshi Miyazaki (Subaru), Alexandre Refregier (Saclay), Jason Rhodes (JPL), Nick Scoville (CalTech), James Taylor (CalTech) and the COSMOS team

Lensing sensitivity with redshift Number of resolved galaxies z

Clusters are just… patterns in a shear field

Patterns in a shear field

Mass maps from ACS data

Residual systematics in ACS data

E-mode signal B-mode signal Theory

Wavelet reconstruction

Mass vs light Nick Scoville

Mass vs x-rays Gunther Hasinger, Alexis Finoguenov & Nico Cappelluti

Tomography (3D maps) Number of resolved galaxies z

Tomography (3D maps)

Tomography (3D maps): z~0.3

Tomography (3D maps): z~0.5

Tomography (3D maps): z~0.7

Shear measurement from Subaru Deconvolve from the ground-based PSF using shapelets. ~25 galaxies/arcmin 2 with Subaru data, rather than ~60 galaxies/arcmin 2 using ACS Subaru shear (shapelets)

Subaru mass maps

Residual systematics in Subaru data 1% level residuals

FITS versions of all these maps available at: Projected 2D mass maps Somewhat coarser 3D mass maps More optimally-tuned analysis around identified structures Systematics checks: E/B-mode split Systematics checks: ground vs space    