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The first fermi multifrequency campaign on bl lacertae: characterizing the low-activity state of the eponymous blazar
(The Astrophysical Journal, 2011)
Observations of BL Lacertae from the geodetic VLBI archive of the Washington correlator
(Univ Chicago PressChicagoEUA, 1998)
Multiwavelength analysis and modeling of OJ 287 during 2017-2020
(EDP Sciences, 2021-10)
Context. The blazar OJ 287 has been proposed as binary black hole system based on its periodic optical outburst. Black hole binary systems are scarce among blazars with parsec scale jets, and hence this source is exciting ...