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The X and UV emissions of active galactic nuclei

✍ Scribed by Ru-liang Liu; Li-hong Cao; Jun-han You; Fu-zhen Ckeng


Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
539 KB
Volume
11
Category
Article
ISSN
0275-1062

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Echo mapping of active galactic nuclei
✍ B. M. Peterson; K. Horne πŸ“‚ Article πŸ“… 2004 πŸ› John Wiley and Sons 🌐 English βš– 208 KB πŸ‘ 1 views

## Abstract Echo mapping makes use of the intrinsic variaibility of the continuum source in active galactic nuclei to map out the distribution and kinematics of line‐emitting gas from its light travel time‐delayed response to continuum changes. Echo mapping experiments have yielded sizes for the br