Simulations of the broad line region of NGC 5548 with CLOUDY code: Temperature determination | Zendy

D. Ilić | Zendy

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Simulations of the broad line region of NGC 5548 with CLOUDY code: Temperature determination

Author(s) -

D. Ilić

Publication year - 2007

Publication title -

serbian astronomical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.196

H-Index - 16

eISSN - 1820-9289

pISSN - 1450-698X

DOI - 10.2298/saj0775015i

Subject(s) - photoionization , astrophysics , physics , line (geometry) , boltzmann constant , code (set theory) , galaxy , astronomy , ionization , thermodynamics , geometry , computer science , mathematics , ion , set (abstract data type) , quantum mechanics , programming language

In this paper an analysis of the physical properties of the Broad Line Region (BLR) of the active galaxy NGC 5548 is presented. Using the photoionization code CLOUDY and the measurements of Peterson et al. (2002), the physical conditions of the BLR are simulated and the BLR temperature is obtained. This temperature was compared to the temperature estimated with the Boltzmann-Plot (BP) method (Popović et al. 2007). It was shown that the measured variability in the BLR temperature could be due to the change in the hydrogen density

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