Simulated Images with Shapelets (Massey et al. 2003)Flow chart:

Richard Masseyversion 1: June 03

Galaxy morphology PDFShape, size, magnitude, ,

Resample

Decide locations of galaxies on the sky

Decide locations of galaxies within image

Loop through galaxies one at a time!

Shapelet Analyticobject maker object maker

Weak lensing shear

PSF convolution

Pixellate

Add to image

Are there galaxies remaining in new catalogue?

redshift

Internal telescope distortions

colour

Add supernovæ?

Decide locations of stars on the sky

Decide locations of stars within image

Loop through stars one at a time!

PSF convolution

Pixellate

Add to image

Are there galaxies remaining in new catalogue?

Internal telescope distortions

Simage!

Add noise

Align dithers

Stack dithers

Dither patter

2pt corre

lationfunctio

n

of galaxy cluste

ring

Throughput, CCD sen

sitivity

background,

,,

zodieCRs

confusio

n limit

Pixel size

Dead zone onpixels

Shapelet m

odel of PSF(x,y)Cosm

ology,

host galaxy types

Cosmolo

gy

Galaxy evolution

Telescop

e flexure (x,y,t)

Cosmolo

gy

Morpholo

gy as af of col

our

onlyposs

ible inHST filt

ers.

NeedUDF & high-res

IRdata.n

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