I am interested in how supermassive black holes in the centres of distant galaxies grow and the impacts of this growth on their environments. To address these questions, I use telescopes from the radio to X-rays, on the ground and in space. Computer simulations and machine-learning algorithms are also important tools for my research.
Dewsnap, C., Barmby, P., Gallagher, S. C., Urry, C. M., Ghosh, A., and Powell, M. C., “GALFIT-ing AGN Host Galaxies in COSMOS: HST versus Subaru”, The Astrophysical Journal, vol. 944, no. 2, 2023. doi:10.3847/1538-4357/ac9400.
Choi, H., Leighly, K. M., Terndrup, D. M., Dabbieri, C., Gallagher, S. C., and Richards, G. T., “The Physical Properties of Low-redshift FeLoBAL Quasars. I. Spectral-synthesis Analysis of the Broad Absorption-line (BAL) Outflows Using SimBAL”, The Astrophysical Journal, vol. 937, no. 2, 2022. doi:10.3847/1538-4357/ac61d9.
Rivera, A. B., Richards, G. T., Gallagher, S. C., et al., "Exploring Changes in Quasar Spectral Energy Distributions across C IV Parameter Space," The Astrophysical Journal, Volume 931, Issue 2, id.154, 19 pp. doi:10.3847/1538-4357/ac6a5d
Smeenk, C. & Gallagher, S.C., "Validating the Universe in a Box", Philosophy of Science 87 (5):1221-1233 (2020), DOI:10.1086/710627
