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The expansion of SN 2008iz in M82
A. Brunthaler, I. Marti-Vidal, K. M. Menten +7
We present first results from the ongoing radio monitoring of SN 2008iz in M82. The VLBI images reveal a shell-like structure with circular symmetry, which expands in a self-simila…
Discovery of a bright radio transient in M82: a new radio supernova?
A. Brunthaler, K. M. Menten, M. J. Reid +3
In this Letter, we report the discovery of a new bright radio transient in M82. Using the Very Large Array, we observed the nuclear region of M82 at several epochs at 22 GHz and de…
Evidence of a pure starburst nature of the nuclear region of NGC 253
A. Brunthaler, P. Castangia, A. Tarchi +4
We present high-resolution spectral line and continuum VLBI and VLA observations of the nuclear region of NGC 253 at 22 GHz. While the water vapor masers in this region were detect…