Research Projects

Direct measurement of galaxy intrinsic alignment with the Dark Energy Spectroscopic Instrument (DESI).

Siegel & McCullough et al. (in prep.)

Galaxy property and data driven intrinsic alignment models in the Dark Energy Science Collaboration (DESC).

McCullough et al. (in prep)

A cosmic shear reanalysis selecting on blue galaxies in DES Y3 to probe cosmic structure and mitigate intrinsic alignment. See the data release page.

McCullough et al. 2024

Co-Principal Investigator of the 4MOST Complete Calibration of the Color-Redshift Relation (4C3R2) survey on the 4-metre Multi-Object Spectroscopic Telescope (4MOST).

Gruen & McCullough et al. 2023
McCullough et al. (in prep.)

Targeting observations of galaxies to understand the relationship between distance and flux with a spare fiber program on the Dark Energy Spectroscopic Instrument (DESI). See the data release page.

McCullough et al. 2024

Understanding shear bias - the relationship between shape and graviational shear - in the presence of galaxy-galaxy blending with image simulations for the Dark Energy Survey (DES) Y3 Cosmology results.

MacCrann, Becker, McCullough et al. 2021