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19932008
most citedA giant outburst two years before the core-collapse of a massive star

428 citations · 1.1k across the 9 of their papers we have counts for

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astro-ph1999

Tomography of the low excitation planetary nebula NGC 40

F. Sabbadin, E. Cappellaro, S. Benetti +2

Spatially resolved, long-slit echellograms at different position angles of the bright, low excitation planetary nebula NGC 40 indicate that, the higher is the gas excitation, the f…