Recycling Matter in the Universe. X-ray observations of SBS1150+599A (PN G135.9+55.9)
We present X-ray observations of the close binary nucleus of the planetary nebula SBS1150+599A obtained with the XMM-Newton satellite. Only one component of the binary can be observed in optical-UV. New X-ray observations show that the previously invisible component is a very hot compact star. This finding allows us to deduce rough values for the basic parameters of the binary. With a high probability the total mass of the system exceeds Chandrasekhar limit and makes the SBS1150+599A one of the best candidate for a supernova type Ia progenitor.
nuclei of planetary nebulae symbiotic stars Supernovae X-ray sources supersoft
Gagik Tovmassian John Tomsick Ralf Napiwotzki Lev Yungelson Grakyna Stasinska Miriam Pena Michael Richer
Institute of Astronomy, Universidad Nacional Autonoma de Mexico University California Berkeley, USA University of Hertfordshire, UK Institute of Astronomy, RAS, Russia Observatoire du Meudon, France
国际会议
紧凑型物体的天体物理学国际会议(International Conference on Astrophysics of Compact Objects)
安徽黄山
英文
62-65
2007-07-01(万方平台首次上网日期,不代表论文的发表时间)