Stephen J. Smartt CBE FRS (born 9 November 1968) is an astrophysicist from Northern Ireland who specialises in stellar evolution, supernovae and time domain sky surveys.
[1] He is credited with the discovery of stars that explode as supernovae, measuring their mass, luminosity and the chemical elements synthesized.
[1] Smartt worked at the Isaac Newton Group of telescopes and held a fellowship at the University of Cambridge.
Smartt returned to Belfast in 2004 and established a group working on stellar evolution, supernovae and time domain sky surveys.
Smartt was appointed Commander of the Order of the British Empire (CBE) in the 2022 Birthday Honours for services to science.