Astronomy and Astrophysics – Astrophysics
Scientific paper
2004-12-29
Astronomy and Astrophysics
Astrophysics
4 pages. 6 figures. Proceedings of the 7th European VLBI Network Symposium held in Toledo, Spain on October 12-15, 2004. Edito
Scientific paper
We present 5 GHz EVN+MERLIN observations of the nuclear region of the ultra luminous infrared galaxy Mrk 273. These observations confirms the detection, on the mas scale, of two resolved component labelled as N and SE in the literature. We use published VLBA observations at 1.4 GHz, at the same resolution, to derive spectral index information of component N and SE and discuss these findings in relation with different hypothesis (compact starburst or AGN) for the origin of the radio emission.
Bondi Marco
Dallacasa Daniele
Muxlow Tom W. B.
Peerez Torres M. A.
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