Predicting the Observability of Putative Central Black Holes in the JWST z ~ 10 Galaxies

Abstract

Uncovering the connection between the evolution of galaxies and supermassive black holes in their centers is key in understanding the full history of our universe. In this Thesis, we present observation predictions for 31 z~10 putative black holes in early-universe galaxies, a sample recently expanded with the early release programs of the James Webb Space Telescope (JWST). Our predictions of X-ray flux and Chandra X-ray Observatory integration time are calculated using the M_\bullet-M_*relation, a bolometric correction, and obscuration model. We make predictions for 11 total scenarios and find that two sources, GL-z11 and GL-z13, have potential to be observed with the current capabilities of Chandra with upper mass limits of 8.07 [log(M_\odot)] and 8.12 [log(M_\odot)] , respectively, assuming the black hole masses follow standard relations in the local universe. Adding to the list of observable sources will require higher flux limits associated with improved future technology in X-ray observation.