Identifying variable gamma-ray sources through radio observations

Details Identifying variable gamma-ray sources through radio observations Identifying variable gamma-ray sources through radio observations

2004-07-21

arxiv.org/abs/astro-ph/0407454v1

Astrophys.Space Sci. 297 (2005) 223-233

Astronomy and Astrophysics

Astrophysics

Proceedings of the Conference "The Multiwavelength Approach to Unidentified Sources", to appear in the journal Astrophysics an

Scientific paper

10.1007/s10509-005-7624-8

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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