The four HII regions in the Sgr A East complex: A, B, C, and D, represent evidence of recent massive star formation in the central ten parsecs. Using Paschen-alpha images taken with HST and 8.4 GHz VLA data, we construct an extinction map of A-D, and briefly discuss their morphology and location.
Mills, EA; Morris, MR; Lang, CC; Cotera, A; Dong, H; Wang, QD; and Stolovy, SR, "Extinction toward the Compact HII Regions G-0.02-0.07" (2010). Astronomy Department Faculty Publication Series. 1096.