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Astronomers have discovered a super massive black hole (SMBH) at the center of the well-known Cosmic Horseshoe Einstein Ring system
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Astronomers have discovered a super massive black hole (SMBH) at the center of the well-known Cosmic Horseshoe Einstein Ring system.
Using gravitational lensing effects and stellar kinematics (how an SMBH affects the motion of stars around it) and data on asymmetrically placed lensed images of another distant galaxy, the mass of the SMBH is estimated at 36 billion solar masses, close to a new record. The galaxy itself is estimated at 5.2 trillion solar masses.
https://academic.oup.com/mnras/article/541/4/2853/8213862?login=false
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