1. Search for High- Redshift Galaxies Wei Zheng Johns Hopkins University

2. Power of CLASH Survey Data in about 300 square arcminutes: comparable to GOODS Data in about 100 square arcminutes in cluster fields: comparable to HUDF Accurate photometric redshifts and mass distribution maps enhance selection confidence September 21, 2010Granada

3. September 21, 2010 Faintness of High-Z Galaxies Granada Redshift6810 m*~ 26.5~27.8~29.2 Number in UDF~1000~30? Spectroscopic capability of ground based telescopes: AB≈25 Spectroscopic capability of JWST: AB≈27

4. September 21, 2010 New Findings in A1703 H J z i Granada

5. Goals Find more than 100 galaxies at z>7 Spectroscopic followup of bright candidates Morphology of young galaxies Complimentary study of the luminosity distribution Pathfinder for JWST studies of high-z galaxies September 21, 2010Granada

6. September 21, 2010 Cluster MACS J1149+22 Granada

7. Color Selection September 21, 2010Granada

8. Special Pipeline Detection Images from the reddest bands F160W: z≈10.5 F160W+F140W: z≈9 F160W+F140W+F125W: z≈8 F160W+F140W+F125W+F110W: z≈6.5 Catalogs in each passband Dropout catalog Stamp images for inspection September 21, 2010Granada

9. Working Group Assignment: Adopt a cluster Quick report within a week of data acquisition Prompt publication within a month Statistical studies at longer time scales September 21, 2010Granada

10. Test Runs Using published results: UDF A2218 SED fitting amplification map September 21, 2010Granada

11. Spectroscopic Followup VLT: X-shooter, SINFONI, ISSAC Magellan: FIRE GEMINI-N: GNIRS, FLAMINGO-2 Letter of intention to the director? September 21, 2010Granada

12. Summary CLASH provides an unprecedented opportunity for high-z search Selection procedures to be developed and tested Prompt publication is essential September 21, 2010Granada