NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-03-26 T04:59:31 PDT
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For refcode 2008MNRAS.390..814K:
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Copyright by Royal Astronomical Society. 2008MNRAS.390..814K The correlation of black hole mass with metallicity index of host spheroid Kisaka, Shota; Kojima, Yasufumi; Otani, Yosuke Abstract. We investigate the correlation between the mass of the supermassive black holes (SMBHs) and metal abundance, using existing data sets. The SMBH mass M_bh_ is well correlated with integrated stellar feature of Mgb. For 28 galaxies, the best-fitting M_bh_-Mgb relation has a small scatter, which is an equivalent level with other well-known relation, such as a correlation between the stellar velocity dispersion and the mass. An averaged iron index <Fe> also positively correlates with M_bh_, but the best-fitting M_bh_-<Fe> relation has a larger scatter. The difference comes from the synthesis and evolution mechanisms, and may be important for the SMBH and star formation history in the host spheroid. Key words: black hole physics, galaxies: abundances, galaxies: bulges
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