论文标题
来自Novae和“ Born-Again Giants”的明显谷物
Pre-solar grains from novae and "Born-again giants"
论文作者
论文摘要
我们回顾了在经典的新星喷发过程中形成的尘埃和在近来的近来的近代降临后巨星分支演变后期发生的非常晚的热脉冲（VLTP）。在这两种情况下，都会产生碳和碳氢化合物粉尘。 Novae还可能产生硅酸盐灰尘，与通常的C：O比和灰尘组成的通常范式相反。尽管预计预计不会为银河粉尘种群做出重大贡献，但有很大的证据表明，在回收的仪表式和彗星材料中都已经确定了两个恒星源的晶粒，并且在彗星中看到的某些红外光谱特征是Novae，Novae，VLTPS，VLTPS和Solar-Solar Grains。
We review the properties of dust formed during classical nova eruptions and the Very Late Thermal Pulses (VLTPs) that occur during the later stages of post-Asymptotic Giant Branch evolution of low-mass stars. In both cases, carbon and hydrocarbon dust is produced. Novae may also produce silicate dust, contrary to the usual paradigm about the C:O ratio and dust composition. Despite the expectation that these dust sources are not expected to make significant contributions to the Galactic dust population, there is a significant body of evidence that grains from both stellar sources have been identified in recovered meteoritic and cometary material, and that certain infrared spectral signatures seen in comets are common to novae, VLTPs and pre-solar grains.
