A peculiar burst detected on Christmas Day 2010 points to the merger of two stars, a neutron star and an evolved red giant, after going through a common-envelope stage.
Burst Evolution
Artistic movie about fusion of two objects that produce GRB burst
C. Thöne et al. The unusual gamma-ray burst GRB 101225A from a helium star/neutron star merger at redshift 0.33 Nature doi:10.1038/nature10611
Christina Thöne, cthoene[at]iaa.es 958230610 // 622233836
Antonio de Ugarte deugarte[at]iaa.es 958230633 // 622233836