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1987ApJ...312L...1P - Astrophys. J., 312, L1-L4 (1987/January-0)
The double broad-line emitting regions in NGC 5548 as possible evidence for a supermassive binary.
PETERSON B.M., KORISTA K.T. and COTA S.A.
Abstract (from CDS):
Abstract Copyright: ∼
Journal keyword(s): Black Holes - Galaxies: Individual NGC Number: NGC 5548 - Galaxies: Seyfert - Spectrophotometry
Simbad objects: 1
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