Ph.D., Stanford University, 2013
I work on weak gravitational lensing data in the Dark Energy Survey and different techniques in combining these measurements with other data sets such as the galaxy position and CMB lensing. I like to explore the weak lensing data in non-conventional ways to learn about cosmology as well as galaxy evolution. With a background in (LSST and DES) image simulations, I rely on various kinds of simulations in my work. On the side, I am interested in the prospects of HI intensity mapping in the future large radio projects.
1) D. Kirk, Y. Omori, A. Benoit-Levy, R. Cawton, C. Chang et al., Cross-correlation of gravitational lensing from DES Science Verification, SPT and Planck . MNRAS 459 , 21 (2016), 1512.04535 .
2) A. Pujol, C. Chang , E. Gazganaga, A. Amara, A. Refregier et al., A new method to measure galaxy bias from the density and weak lensing fields . Accepted to MNRAS. ArXiv e-prints (2016) 1601.00160 .
3) C. Chang , A. Pujol, E. Gazganaga, A. Amara, A. Refregier et al., Galaxy bias from the DES Science Verification Data: combining galaxy density maps and weak lensing maps . MNRAS 459 , 3203 (2016), 1601.00405 .
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