The Chandra view of NGC~3621: A bulgeless galaxy hosting an AGN?

Computer Science

Scientific paper

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Chandra Proposal Id #09700701

Scientific paper

We propose to observe for 25 ks the nearby bulgeless galaxy NGC3621, which is optically classified as a normal galaxy but has recently been discovered by Spitzer mid-IR spectroscopy to contain an AGN. The unique capabilities of Chandra will be exploited to: disentangle the different components contributing to the X-ray emission and perform spatially-resolved spectroscopy; estimate the bolometric luminosity of the nuclear region; study the X-ray variability and put constrains on the black hole mass; investigate the circum-nuclear spatial and spectral properties to constrain the fuel reservoir. The proposed pilot study will open up opportunities to study the characteristics of the largely unexplored low black hole mass regime and the low mass end of the M_BH-sigma relation.

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