FG Sagittae – Astronomy Now

27 March 2026

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Astronomers observe star reborn in a flash within the Stingray Nebula

13 September 2016 Astronomy Now

An international team of astronomers has been able to study stellar evolution in real time. Over a period of 30 years, dramatic increases in the temperature of the star SAO 244567 have been observed. Now the star is cooling again, having been reborn into an earlier phase of stellar evolution.