By Kris Davidson, Roberta M. Humphreys
In 1965 Fritz Zwicky proposed a category of supernovae that he known as "Type V", defined as "excessively faint at maximum". there have been merely contributors, SN1961v and Eta Carinae. We now recognize that Eta Carinae used to be now not a real supernova, but when it have been saw this present day in galaxy we'd name it a "supernova impostor". one hundred seventy years in the past it skilled a "great eruption" lasting two decades, expelling 10 sunlight lots or extra, and survived. Eta Carinae is now said because the such a lot large, such a lot luminous superstar in our quarter of the Galaxy, and it can be our in basic terms instance of a really gigantic big name in a pre-supernova kingdom. during this ebook the editors and contributing authors evaluation its extraordinary background, actual kingdom of the famous person and its ejecta, and its carrying on with instability. Chapters additionally comprise its relation to different enormous, volatile stars, the big megastar progenitors of supernovae, and the "first" stars within the Universe.