OB光谱形态特征与环境
Morphogical Characteristics of OB Spectra and Environments
摘要：
在简要阐述了形态学的过程之后，介绍了它在当代天文学中应用的两个例子。第一个包括一个主要的数字，蓝紫光谱分类计划银河系O星，已经揭示了三个特殊的类别或新成员：Ofc类与C III的发射相当于N III的发射4650，的？p类磁性斜转子和ONn类富氮快速转子。所有这些类别都预示着对大质量恒星大气和演化的进一步了解。第二个例子是关于大质量年轻星团和星云的结构作为年龄的函数，其时间尺度为1000万年或更短，这为1000万年的大合并星暴提供了一个新的视角。
英文摘要：
Following a brief exposition of the morphological process, two examples of its application in contemporary astronomy are presented. The first comprises a major digital, blue-violet spectral classification program on Galactic O stars, that has already revealed three special categories or new members thereof: the Ofc class with C III lambda4650 emission comparable to N III lambda4640, the Of?p class of magnetic oblique rotators, and the ONn class of nitrogen-rich rapid rotators. All of these categories portend further understanding of massive stellar atmospheres and evolution. The second example concerns the structure of massive young clusters and nebulae as a function of age on timescales of the order of or less than 10 Myr, which has provided a new insight into the Antennae major-merger starburst.
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