一颗可能形成致密中子星双星的炽热且快速的超剥离超新星
高能天体物理现象
2018-10-16 v1 太阳与恒星天体物理
摘要
致密中子星双星系统由双星大质量恒星经过涉及至多两次超新星爆发的恒星演化产生。这些系统形成的最后阶段尚未被直接观测到。我们报告 iPTF 14gqr (SN 2014ft) 的发现,这是一颗 Ic 型超新星,其快速演化的光变曲线表明极低的抛射物质量( 太阳质量)与低动能( ergs)。早期测光与光谱揭示了富 He 延展包层的激波冷却证据,该包层很可能在前爆发剧烈质量损失事件中由前身星抛出。综合来看,我们将 iPTF 14gqr 解释为超剥离超新星形成致密双星系统中中子星的证据。
引用
@article{arxiv.1810.05181,
title = {A hot and fast ultra-stripped supernova that likely formed a compact neutron star binary},
author = {K. De and M. M. Kasliwal and E. O. Ofek and T. J. Moriya and J. Burke and Y. Cao and S. B. Cenko and G. B. Doran and G. E. Duggan and R. P. Fender and C. Fransson and A. Gal-Yam and A. Horesh and S. R. Kulkarni and R. R. Laher and R. Lunnan and I. Manulis and F. Masci and P. A. Mazzali and P. E. Nugent and D. A. Perley and T. Petrushevska and A. L. Piro and C. Rumsey and J. Sollerman and M. Sullivan and F. Taddia},
journal= {arXiv preprint arXiv:1810.05181},
year = {2018}
}
备注
Published in Science on October 12