Robuta

https://www.aanda.org/articles/aa/ref/2011/07/aa16689-11/aa16689-11.html Evolution of the progenitor binary of V1309 Scorpii before merger | Astronomy & Astrophysics (A&A) of the v1309 scorpii https://www.aanda.org/articles/aa/ref/2011/04/aa16221-10/aa16221-10.html V1309 Scorpii: merger of a contact binary | Astronomy & Astrophysics (A&A) v1309 scorpii contact binary merger astronomy astrophysics https://www.aanda.org/articles/aa/ref/2015/08/aa26212-15/aa26212-15.html Post-outburst spectra of a stellar-merger remnant of V1309 Scorpii: from a twin of V838 Monocerotis...