The Power of High Precision Broadband Photometry: Tracing the Milky Way Density Profile with Blue Horizontal Branch stars in the Dark Energy Survey

Fengqing Yu, Ting S. Li, Joshua S. Speagle +9

Blue Horizontal Branch (BHB) stars, excellent distant tracers for probing the Milky Way's halo density profile, are distinguished in the $(g-r{)}_0$ vs $(i-z{)}_0$ color space from ano…