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Paper: Rapid Evolution of the Parsec Scale Structure of the BL Lac Object 1219+285
Volume: 299, High Energy Blazar Astronomy
Page: 105
Authors: Gabuzda, D.C.; Rastogueva, E.A.
Abstract: We present preliminary results of 9-epoch VLBA observations of the nearby BL Lac Object 1219+285 at 15 & 22 GHz. We have estimated the superluminal velocities and epochs of birth for several VLBI components. We find evidence that three components were born one month or less after optical outbursts, suggesting a possible relationship between optical outbursts and the creation of new superluminal components, but further analyses are required to test this idea more thoroughly.
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