A Hard X-ray Test of HCN Enhancements as a Tracer of Embedded Black Hole Growth

G. C. Privon, C. Ricci, S. Aalto +18

Enhanced emission from the dense gas tracer HCN (relative to HCO${}^{+}$) has been proposed as a signature of active galactic nuclei (AGN). In a previous single-dish millimeter line s…