Radio Scrutiny of the X-Ray-weak Tail of Low-mass Active Galactic Nuclei: A Novel Signature of High-Eddington Accretion?
Jeremiah D. Paul,
Richard M. Plotkin,
W. N. Brandt
et al.
Abstract:The supermassive black holes (M
BH ∼ 106–1010
M
⊙) that power luminous active galactic nuclei (AGNs), i.e., quasars, generally show a correlation between thermal disk emission in the ultraviolet (UV) and coronal emission in hard X-rays. In contrast, some “massive” black holes (mBHs; M
BH ∼ 105–106
M
⊙) in low-mass galaxies present curious X-ray properties with coronal radiative output up to 100× weaker t… Show more
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