Multiband VLBI observations of CTA 102

Rantakyrö, Fredrik T.Dept. of Astronomy and Astrophysics, University of Gothenburg, S-412 96 Gothenburg, Sweden (author)

The source CTA102, known to exhibit low frequency variability, has been observed at six epochs (three at λ32cm, two at λ18cm, and one at λ1.3cm) with intercontinental VLBI arrays. On the basis of the changes observed in the structure, we believe that the flux density variations at these wavelengths are due to intrinsic processes and not due to interstellar scintillation. This source exhibits behaviour suggestive of being expanding with a very high apparent transverse velocity.

Bååth, Lars B.Onsala Space Observatory, S-439 92 Onsala, Sweden(Swepub:hh)baath (author)
Dallacasa, DanieleIstituto di RadioAstronomia, CNR, Via Gobetti 101, I-40129, Bologna, Italy (author)
Jones, Dayton L.Jet Propulsion Laboratory, Pasadena, CA 91109, United States (author)
Wehrle, Ann E.Infrared Proc. and Analysis Center, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91125, United States (author)
Dept. of Astronomy and Astrophysics, University of Gothenburg, S-412 96 Gothenburg, SwedenOnsala Space Observatory, S-439 92 Onsala, Sweden (creator_code:org_t)

By the author/editor: Rantakyrö, Fredr ...; Bååth, Lars B.; Dallacasa, Danie ...; Jones, Dayton L.; Wehrle, Ann E.

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