Probing the Physical Properties of the NGC 5548 Broad Line Region Using Balmer Lines | Zendy

Luka Č. Popović | Zendy; A. I. Shapovalova | Zendy; V. Chavushyan | Zendy; D. Ilić | Zendy; Alexandr N. Burenkov | Zendy; A. Mercado | Zendy; Nikolay G. Bochkarev | Zendy

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Probing the Physical Properties of the NGC 5548 Broad Line Region Using Balmer Lines

Author(s) -

Luka Č. Popović,

A. I. Shapovalova,

V. Chavushyan,

D. Ilić,

Alexandr N. Burenkov,

A. Mercado,

Nikolay G. Bochkarev

Publication year - 2008

Publication title -

publications of the astronomical society of japan

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.99

H-Index - 110

eISSN - 2053-051X

pISSN - 0004-6264

DOI - 10.1093/pasj/60.1.1

Subject(s) - balmer series , physics , astrophysics , accretion disc , line (geometry) , boltzmann constant , astronomy , emission spectrum , spectral line , thermodynamics , geometry , mathematics

We investigated the physical characteristics of the broad line region (BLR) of NGC 5548 using the Boltzmann plot (BP) method, which we applied to the Balmer lines observed from 1996 to 2004. We found that variability earlier detected in the lines is also present in the temperature parameter $A$, obtained from the BP method. Using the BP temperature parameter $A$ to calculate temperature, we found ...

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