NOIRLab noirlab2509: Gemini South Observes Ultra-Hot Nova Erupting With Surprising Chemical Signature — Astronomers uncover extremely hot and violent eruption from first ever near-infrared analysis of a recurrent nova outside of the Milky Way Galaxy. Using the Gemini South telescope, one half of the International Gemini Observatory, partly funded by the U.S. National Science Foundation and operated by NSF NOIRLab, and the Magellan Baade Telescope, astronomers have for the first time observed a recurring nova …

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Gemini South Observes Ultra-Hot Nova Erupting With Surprising Chemical Signature
5 March 2025 — NOIRLab Science Release noirlab2509
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Using the Gemini South telescope, one half of the International Gemini Observatory, partly funded by the U.S. National Science Foundation and operated by NSF NOIRLab, and the Magellan Baade Telescope, astronomers have for the first time observed a recurring nova outside of the Milky Way in near-infrared light. The data revealed highly unusual chemical emissions as well as one of the hottest temperatures ever reported for a nova, both indicative of an extremely violent eruption.

The release, images and videos are available on:
https://noirlab.edu/public/news/noirlab2509/

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NOIRLab Communications, Education & Engagement
5 March 2025




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