The supersoft X-ray source in V5116 Sagittarii
The supersoft X-ray source in V5116 Sagittarii
Context. Classical nova explosions occur on the surface of an accreting white dwarf in a binary system. After ejection of a fraction of the envelope and when the expanding shell becomes optically thin to X-rays, a bright source of supersoft X-rays arises, powered by residual H burning on the surface …