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Identifying variable gamma-ray sources through radio observations

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We present preliminary results of a campaign undertaken with different radio interferometers to observe a sample of the most variable unidentified EGRET sources. We expect to detect which of the possible counterparts of the gamma-ray sources (any of the radio emitters in the field) varies in time with similar timescales as the gamma-ray variation. If the gamma-rays are produced in a jet-like source, as we have modelled theoretically, synchrotron emission is also expected at radio wavelengths. Such radio emission should appear variable in time and correlated with the gamma-ray variability.

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PAREDES I POY, Josep maria, MARTÍ RIBAS, Josep, TORRES, Diego f., ROMERO, Gustavo e., COMBI, J. a., BOSCH I RAMON, Valentí, GARCÍA-SÁNCHEZ, J.. Identifying variable gamma-ray sources through radio observations. _Astrophysics and Space Science_. 2005. Vol. 297, núm. 1-4, pàgs. 223-233. [consulta: 24 de gener de 2026]. ISSN: 0004-640X. [Disponible a: https://hdl.handle.net/2445/45387]

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