The Bulletin of The Korean Astronomical Society (천문학회보)
- Volume 43 Issue 1
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- Pages.56.1-56.1
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- 2018
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- 1226-2692(pISSN)
Effect of the density profile of a star on the bolometric light curve in tidal disruption events
- Park, Gwanwoo (Department of Astronomy and Space Science, Chungbuk National University) ;
- Kimitake, Hayasaki (Department of Astronomy and Space Science, Chungbuk National University)
- Published : 2018.05.08
Abstract
Tidal disruption events (TDEs) provide evidence for quiescent supermassive black holes (SMBHs) in the centers of inactive galaxies. TDEs occur when a star on a parabolic orbit approaches close enough to a SMBH to be disrupted by the tidal force of the SMBH. The subsequent super-Eddington accretion of stellar debris falling back to the SMBH produces a characteristic flare lasting several months. The theoretically expected bolometric light curve decays with time as proportional to
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