Rapid Evolution of the Parcec-Scale Structure of the BL Lac Object 1219+285 (Poster)

Details Rapid Evolution of the Parcec-Scale Structure of the BL Lac Object 1219+285 (Poster) Rapid Evolution of the Parcec-Scale Structure of the BL Lac Object 1219+285 (Poster)

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aspc..299..105g&link_type=abstract

High Energy Blazar Astronomy, ASP Conference Proceedings, Vol. 299, held 17-21 June 2002 at Tuorla Observatory, Piikkio, Finland

Astronomy and Astrophysics

Astronomy

Scientific paper

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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