1. A Comparison of Supermassive Black Hole Mass of NGC 4151 Using Different Methods

Ismaeel A. Al-Baidhany; Sami Salman Chiad; Mahmood M. Kareem; Wasmaa A. Jabbar; Tahseen H. Mubarak; Nadir Fadhil Habubi; Ehssan S. Hassan; Mohamed Odda Dawood; Oday Mazin Abdulmunem

Volume 2, Issue 1 , Winter and Spring 2020, , Pages 22-26

http://dx.doi.org/10.24271/psr.06

Abstract
  We found a new value of supermassive black hole (SMBH) mass in the middle of type 1 Seyfert, NGC 4151 galaxy. In this Study, the image of NGC 4151 galaxy was deprojected to face-on, using spiral galaxy of face-on, and applied IRAF to calculate the ellipticity and position angle of major-axis.  A ...  Read More