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| Paper: |
Evolution of the accretion disk in the nucleus of NGC 1097 |
| Volume: |
290, Active Galactic Nuclei: from Central Engine to Host Galaxy |
| Page: |
155 |
| Authors: |
Storchi-Bergmann, T.; Nemmen da Silva, R.; Eracleous, M. |
| Abstract: |
We have observed the nuclear spectrum of NGC1097 more than once a year from 1991 to 2001. We show the evolution of the broad double-peaked Hα profile over this period of time, which sets a number of constraints on the accretion disk model previously proposed. Based on the model fits, we present a physical scenario for the evolution of the double-peaked profile. |
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