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Recent Evolution Of The Eta Carinae Supernova Imposter System, Greta L. Helmel
Recent Evolution Of The Eta Carinae Supernova Imposter System, Greta L. Helmel
Physics and Astronomy Honors Projects
The supernova imposter Eta Carinae and its surrounding Homunculus reflection nebula have been of great interest for the last several decades. As the most massive star known in our Galaxy, this object is of particular importance in understanding high mass loss episodes and final stages in the evolution of other similarly massive stars in the later stages of their lives. Observations using the STIS CCD Instrument have been taken over the past 20 years for both the central star and the Homunculus as part of the Hubble Space Telescope (HST) Treasury Program on Eta Carinae. Recent changes in …