Detecting Low-Mass Supermassive Black Holes

Himel Ghosh (1) , Smita Mathur (1) , Fabrizio Fiore (2) , Laura Ferrarese (3) ((1) Ohio State University , (2) INAF - Osservatorio Astronomico di Roma , (3) Herzberg Institute of Astrophysics)

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classification 🌌 astro-ph

keywords blackdetectingholessupermassiveactivityagnsapplyarguments

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We demonstrate the feasibility of uncovering supermassive black holes in late-type, quiescent spiral galaxies by detecting signs of very low-level nuclear activity. We use a combination of x-ray selection and multi-wavelength follow-up. Here, we apply this technique to NGC 3184 and NGC 5457, both of type Scd, and show that strong arguments can be made that both host AGNs.

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Detecting Low-Mass Supermassive Black Holes

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