mergeburst

plural mergebursts

1. astronomyAn outburst of energy following a merger of two stars.

   One hypothesis is that this was a mergeburst: the scream of two stars colliding. But it could also have been a rarely seen thermonuclear flare-up near the end of a giant star's life – or maybe a star swallowing giant planets.

   2018 August 7, New Scientist, A Journey Through The Universe:: A traveler's guide from the center of the sun to the edge of the unknown, Nicholas Brealey, →ISBN

   3 more examples

   This suggests that it was a mergeburst of a K-type main sequence star and a lower mass companion. The distance estimate is uncertain and the peak luminosity is ≈ −6mag. It is plausible that other Galactic events also have similar[…]

   2012 01, Mansi M. Kasliwal, Bridging the Gap: Elusive Explosions in the Local Universe, Universal-Publishers, →ISBN, page 129

   One idea, put forward by Tylenda and Noam Soker of the Israeli Institute of Technology, is that the explosion was a 'mergeburst', formed by the collision and merger of two stars. Computer simulations of such an event neatly describe[…]

   2012 September 20, Giles Sparrow, The Universe: In 100 Key Discoveries, Quercus Publishing, →ISBN

   At the time it was suggested that this was yet another example of a mergeburst – an object undergoing an outburst following a collision or merger event. However, spectra taken subsequently show a very hot, UV bright object[…]

   2013 September 5, David S. Stevenson, Extreme Explosions: Supernovae, Hypernovae, Magnetars, and Other Unusual Cosmic Blasts, Springer Science & Business Media, →ISBN, page 338