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Starkenburg","submitted_at":"2019-03-01T19:00:01Z","abstract_excerpt":"We report Giant Metrewave Radio Telescope (GMRT) , Very Large Telescope (VLT) and Spitzer Space Telescope observations of ESO 184$-$G82, the host galaxy of GRB 980425/SN 1998bw, that yield evidence of a companion dwarf galaxy at a projected distance of 13 kpc. The companion, hereafter GALJ193510-524947, is a gas-rich, star-forming galaxy with a star formation rate of $\\rm0.004\\,M_{\\odot}\\, yr^{-1}$, a gas mass of $10^{7.1\\pm0.1} M_{\\odot}$, and a stellar mass of $10^{7.0\\pm0.3} M_{\\odot}$. 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