"Monitoring MRK 509 : the origin of the reprocessor" and "Broad band X-ray spectrum of narrow line Seyfert 1 AKN 564"

"Monitoring MRK 509 : the origin of the reprocessor" and "Broad band X-ray spectrum of narrow line Seyfert 1 AKN 564" /

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Bibliographic Details
Main Author: Halpern, Jules P.
Corporate Authors: Columbia University. Trustees, Columbia Astrophysics Laboratory (Columbia University), United States. National Aeronautics and Space Administration
Other Authors: Leighly, Karen M.
Format: Government Document Book
Language:English
Published: [Washington, DC] : [Springfield, Va.] : [National Aeronautics and Space Administration] ; [National Technical Information Service, distributor], [1998]
Series:NASA contractor report ; NASA CR-207611.
Subjects:
Seyfert galaxies.
Light curve.
Stellar mass.
Calibrating.
Black holes (Astronomy)
Accretion disks.

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