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has been cited by the following article:

• TITLE: On the M-σ Relationship and SMBH Mass Estimates of Selected Nearby Galaxies

  AUTHORS: Alper K. Ateş, Can Battal Kılınç, Cafer İbanoğlu

  KEYWORDS: Galaxies; Active Galaxies; AGN; SMBH; Stellar Velocity Dispersion; Bulge Velocity Dispersion

  JOURNAL NAME: International Journal of Astronomy and Astrophysics, Vol.3 No.3A, July 18, 2013

  ABSTRACT: Super massive black holes are believed to influence galactic evolution and dynamics. A histogram of SMBH masses for different redshift regimes may reveal clues on how the SMBH evolve in time. A prominent method for SMBH mass estimation is based on the linear correlation between the bulge velocity dispersion and the SMBH mass. Known as M-σ relationship, this method is known to provide reasonable but not very accurate mass estimates due to considerable scatter in data. In order to increase the precision, we surveyed the literature and gathered SMBH and velocity dispersion data for low redshift (z 0.02) spiral galaxies. We report the M-σ relationship for low redshift spiral galaxies as, By using this refined M-σ relationship we measured 32 SMBH masses and determined upper and lower mass boundaries and the mass histogram for spiral galaxies in a narrow redshift regime (0.016 z σ relationship. The estimated masses vary between 9.51 × 106 - 2.36 × 108 solar masses.