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1988ApJ...325..628S - Astrophys. J., 325, 628-634 (1988/February-0)
OJ 287: binary pair of supermassive black holes.
SILLANPAA A., HAARALA S., VALTONEN M.J., SUNDELIUS B. and BYRD G.G.
Abstract (from CDS):
Abstract Copyright: ∼
Journal keyword(s): Black Holes - BL Lacertae Objects
Simbad objects: 1
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