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Relativistic supernova 2009bb exploded close to an atomic gas cloud
Michał J. Michałowski, G. Gentile, T. Kruhler +19
The potential similarity of the powering mechanisms of relativistic SNe and GRBs allowed us to make a prediction that relativistic SNe are born in environments similar to those of…
The extended HeII4686 emission in the extremely metal-poor galaxy SBS0335-052E seen with MUSE
C. Kehrig, J. M. Vilchez, M. A. Guerrero +4
SBS0335-052E, one of the most metal-poor (Z ~ 3-4% Z) HeII-emitter starbursts known in the nearby universe, is studied using optical VLT/MUSE spectroscopic and Chandra X-…
Molecular gas masses of gamma-ray burst host galaxies
Michał J. Michałowski, A. Karska, J. R. Rizzo +14
We obtained CO(2-1) observations of seven GRB hosts with the APEX and IRAM 30m telescopes. We analysed these data together with all other hosts with previous CO observations. We ob…